CN204229611U - A kind of mobile mobile bee-keeper humiture collection circuit based on WiFi - Google Patents
A kind of mobile mobile bee-keeper humiture collection circuit based on WiFi Download PDFInfo
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- CN204229611U CN204229611U CN201420600815.9U CN201420600815U CN204229611U CN 204229611 U CN204229611 U CN 204229611U CN 201420600815 U CN201420600815 U CN 201420600815U CN 204229611 U CN204229611 U CN 204229611U
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Abstract
The utility model discloses a kind of mobile mobile bee-keeper humiture acquisition system based on WiFi.The utility model primarily of master controller STM32F103VET6 chip, JTAG download circuit, DC_DC step-down power supply circuit, USB_232 powers and download circuit, EEPROM power down memory circuit, SPIFlash flash memory storage circuit, DHT11 humiture collection circuit, HLK-RM04 serial ports WiFi modular circuit and 2.8 cun of TFT-LCD touch screen interface circuit composition.The utility model make use of the WiFi access point function of intelligent mobile terminal, realizes the transmission of the humiture data to harvester.
Description
Technical field
The utility model belongs to information acquiring technology field, is specifically related to a kind of humiture collection circuit based on WiFi communication technology.
Background technology
Due to the change of ecologic environment, current beekeeper produces and more and more tends to rotatably produce, and the application of thus moving mobile bee-keeper is more and more extensive.The humiture etc. that on mobile bee-keeper, beehive and bee product store has important impact to bee product quality, and the humiture environment therefore gathering mobile bee-keeper is significant.And mobile mobile bee-keeper is a relatively isolated and moveable platform, the data such as the humiture in beehive to be gathered and be transferred in Internet network on this mobile platform, must consider gather how easily and transmit data.Due to the movability of platform, wired mode cannot be adopted to transfer data on network, thus must by wireless mode.
At present, smart mobile phone is because of its low price, the intelligent means of communication conveniently becoming people and carry with.So, can consider to allow beekeeper be gathered humiture data on mobile bee-keeper by the radio communication function of mobile phone, and upload to central server by the data network of mobile phone.Smart mobile phone of today, is integrated with the function of multiple wireless transmission, comprises bluetooth, 3G, NFC(near-field communication) and WiFi.Consider that the expense of 3G is high, the transmission range of bluetooth and NFC is too short and transmission speed is slow, and the transmission range of WiFi can reach hundred meters, and transmission speed is very fast, networking is convenient and swift, adopt the Radio Transmission Technology of WiFi, the real-time data transmission gathered by sensor in embedded acquisition module, to mobile phone terminal, meets the humiture data that beekeeper gathers mobile mobile bee-keeper quickly and easily.
Summary of the invention
The utility model is based on WiFi radio network technique most with prospects at present, and the conveniently economic humiture information acquisition that realizes is transmitted, and proposes a kind of humiture collection transmission circuit based on WiFi technology.
The utility model is by the following technical solutions:
The utility model comprises STM32F103VET6 governor circuit, DC_DC step-down power supply circuit, JTAG download circuit, USB_232 powers and download circuit, EEPROM power down memory circuit, SPI Flash flash memory storage circuit, DHT11 humiture collection circuit, serial ports WiFi modular circuit, 2.8 cun of TFT-LCD interface circuits.
STM32F103VET6 governor circuit comprises STM32F103VET6 processor, STM32F103VET6 processor embedded SRAM and Flash are used for save routine and data, jtag interface is used for programming to STM32F103VET6 chip and debugging, USB interface is for power and USB turns the download program of serial ports, iic bus interface is for realizing the communication of eeprom chip AT24C02 and processor STM32F103VET6, spi bus interface is used for the communication of SPI Flash chip W25Q64 and processor STM32F103VET6, RS232 serial ports is for realizing the communication of serial ports WIFI module and processor STM32F103VET6, FSMC bus interface is used for the connection of 2.8 cun of TFT-LCD touch-screens and processor STM32F103VET6 to realize fast refresh display page.
DC_DC step-down power supply circuit is primarily of Direct current power source socket DC_IN, 5V voltage stabilizing chip MP2359,3.3V voltage stabilizing chip AMS1117-3.3, power button K1,500mA resettable fuse F1, and SS14 schottky diode D1, SS14 schottky diode D2, the first resistance R1, the second resistance R2, the 3rd resistance R3, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6, the 7th electric capacity C7, the 8th electric capacity C8, the first inductance L 1 form.Direct current power source socket DC_IN has 3 terminals, wherein 2 and 3 terminals need ground connection, 1 terminals connect the positive pole of schottky diode D1, the negative pole of schottky diode D1 connects one end of electric capacity C1, the other end ground connection of electric capacity C1, the BST pin of 5V voltage stabilizing chip MP2359 connects one end of electric capacity C3, the SW pin of another termination MP2359 of electric capacity C3, the GND pin of 5V voltage stabilizing chip MP2359 is connected rear ground connection with one end of resistance R1, the other end of resistance R1 connects the FB pin of 5V voltage stabilizing chip MP2359, one end of the FB pin of 5V voltage stabilizing chip MP2359 contact resistance R2 again, No. 1 pin of another termination power button K1 of resistance R2, the SW pin of 5V voltage stabilizing chip MP2359 connects the negative pole of schottky diode D2, the plus earth of schottky diode D2, the negative pole of schottky diode D1 is received after the IN pin of 5V voltage stabilizing chip MP2359 is connected with one end of resistance R3, the negative pole of schottky diode D1 is also received in one end of electric capacity C2, the other end ground connection of electric capacity C2, the other end of resistance R3 is connected with the EN of 5V voltage stabilizing chip MP2359, one end of inductance L 1 is connected to the SW pin of 5V voltage stabilizing chip MP2359, the positive pole of electric capacity C5 is connected to after the other end of inductance L 1 is connected with one end of electric capacity C4, the positive pole of electric capacity C5 connects again No. 1 pin of power button K1, ground connection after the other end of electric capacity C4 is connected with the negative pole of electric capacity C5, No. 2 pins of power button K1 connect one end of resettable fuse F1, one end of electric capacity C6 is received after the other end of resettable fuse F1 is connected with the IN pin of 3.3V voltage stabilizing chip AMS1117-3.3, ground connection after the other end of electric capacity C6 is connected with the GND pin of 3.3V voltage stabilizing chip AMS1117-3.3, the positive pole of electric capacity C7 is received after No. 2 of 3.3V voltage stabilizing chip AMS1117-3.3 are connected with No. 4 pins, ground connection after the negative pole of electric capacity C7 is connected with one end of electric capacity C8, the other end of electric capacity C8 also receives the positive pole of electric capacity C7.
JTAG download circuit forms primarily of 20 pin jtag interfaces, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8.3.3V power supply is connect after No. 1 of jtag interface is connected with No. 2 pins, one end of No. 3 pin TRST connecting resistance R4 of JTAG, another termination 3.3V power supply of resistance R4, one end of No. 5 pin TDI connecting resistance R5 of JTAG, another termination 3.3V power supply of resistance R5, one end of No. 7 pin TMS connecting resistance R6 of JTAG, another termination 3.3V power supply of resistance R6, one end of No. 9 pin TCK connecting resistance R7 of JTAG, the other end ground connection of resistance R7, one end of No. 13 pin TDO/SWO connecting resistance R8 of JTAG, another termination 3.3V power supply of resistance R8, No. 4 of JTAG, No. 6, No. 8, No. 10, No. 12, No. 14, No. 16, No. 18, No. 20 pins all ground connection, No. 11 of JTAG, No. 17, No. 19 pins are all unsettled, No. 15 pin RESET of JTAG receive on No. 14 pin NRST of STM32F103VET6 processor.
USB_232 powers and download circuit forms primarily of mini_USB plug, level transferring chip CH340G, the 3rd crystal oscillator Y3, the 19 electric capacity C19, the 20 electric capacity C20, the 21 electric capacity C21, the 22 electric capacity C22, the 23 electric capacity C23, the 24 electric capacity C24, the 12 resistance R12, the 13 resistance R13, the 14 resistance R14, the 15 resistance R15, triode Q1, triode Q2, diode D3.No. 1 pin of Mini_USB plug meets VUSB provides positive voltage, No. 2 pin D-of mini_USB plug meet No. 6 pin CH340-D-of level transferring chip CH340G, No. 3 pin D+ of mini_USB plug meet No. 5 pin CH340-D+ of level transferring chip CH340G, No. 4 pins of mini_USB plug are unsettled, No. 5 pin ground connection of Mini_USB plug, No. 1 pin ground connection of level transferring chip CH340G chip, No. 2 TXD pins of level transferring chip CH340G meet No. 69 pin PA10/USART1_RX of STM32F103VET6 processor, No. 3 pin RXD of level transferring chip CH340G meet No. 68 pin PA9/USART1_TX of STM32F103VET6 processor, No. 4 pins of level transferring chip CH340G connect one end of electric capacity C19, the other end ground connection of electric capacity C19, No. 7 pin XI of level transferring chip CH340G connect one end of crystal oscillator Y3, No. 8 pin XO of level transferring chip CH340G connect the other end of crystal oscillator Y3, No. 7 pins of the one termination CH340G of electric capacity C20, the other end ground connection of electric capacity C20, No. 8 pin XO of the one termination level transferring chip CH340G of electric capacity C21, the other end ground connection of electric capacity C21, No. 9 of level transferring chip CH340G, No. 10, No. 11, No. 12, No. 15 pins are all unsettled, one end of No. 13 pin connecting resistance R12 of level transferring chip CH340G, the base stage of another termination triode Q1 of resistance R12, one end of No. 14 pin connecting resistance R14 of level transferring chip CH340G, the base stage of another termination triode Q2 of resistance R14, No. 16 pins of level transferring chip CH340G are received after one end of electric capacity C23 is connected with one end of electric capacity C24, ground connection after the other end of electric capacity C23 is connected with the other end of electric capacity C24, No. 16 pins of CH340G meet 5V power supply VCC5, the one termination 3.3V power supply VCC3.3 of resistance R13, the collector of another termination triode Q1 of resistance R13, the negative pole of diode D3 connects the collector of triode Q1, the positive pole of diode D3 connects on No. 14 pin NRST of main control chip STM32F103VET6, the emitter of triode Q1 connects No. 14 pins of CH340G, the emitter of triode Q2 connects 3.3V power supply, one end of the collector connecting resistance R15 of triode Q2, No. 94 pin BOOT0 of another termination main control chip STM32F103VET6 of resistance R15, the one termination 5V power supply of electric capacity C22, the other end ground connection of electric capacity C22.
EEPROM power down memory circuit forms primarily of eeprom chip AT24C02, the 31 electric capacity C31, the 25 resistance R25, the 26 resistance R26.No. 1 of chip AT24C02, No. 2, No. 3, No. 4 equal ground connection of pin, receive on No. 93 pin PB7/I2C1_SDA of STM32F103VET6 processor after No. 5 pin SDA of chip AT24C02 are connected with one end of resistance R26, another termination 3.3V power supply of resistance R26, receive on No. 92 pin PB6/I2C1_SCL of STM32F103VET6 processor after No. 6 pin SCL of chip AT24C02 are connected with one end of resistance R25, another termination 3.3V power supply of resistance R25, No. 7 pin WP ground connection of chip AT24C02, No. 8 pin VCC1 of chip AT24C02 connect 3.3V power supply, No. 8 pins of the one termination AT24C02 of electric capacity C31, No. 7 pins of another termination AT24C02 of electric capacity C31.
SPI Flash flash memory storage circuit forms primarily of flash chip W25Q64 and the 35 electric capacity C35.No. 1 pin CS of flash chip W25Q64 connects No. 51 pin PB12/SPI2_NSS of STM32F103VET6 processor, No. 2 pin SO of flash chip W25Q64 meet No. 53 pin PB14/SPI2_MISO of STM32F103VET6 processor, No. 3 pin WP# of flash chip W25Q64 connect 3.3V power supply, No. 4 pin GND ground connection of flash chip W25Q64, No. 5 pin SI of flash chip W25Q64 meet No. 54 pin PB15/SPI2_MOSI of STM32F103VET6 processor, No. 6 pin CLK of flash chip W25Q64 meet No. 52 pin PB13/SPI2_SCK of STM32F103VET6 processor, 3.3V power supply is connect after No. 7 pins of flash chip W25Q64 are connected with No. 8 pins, No. 8 pins of the one termination W25Q64 of electric capacity C35, the other end ground connection of electric capacity C35.
DHT11 humiture collection circuit forms primarily of Temperature Humidity Sensor DHT11, the 27 resistance R27, the 32 electric capacity C32.3.3V power supply VCC3.3 is met after No. 1 pin VCC of Temperature Humidity Sensor DHT11 is connected with one end of electric capacity C32, the other end ground connection of electric capacity C32, No. 63 pin PC6 of STM32F103VET6 processor are received after No. 2 pin DQ of Temperature Humidity Sensor DHT11 are connected with one end of resistance R27, ground connection after another termination 3.3V power supply VCC3.3 of resistance R27, Temperature Humidity Sensor DHT11 No. 3 are connected with No. 4 pins.
Serial ports WiFi modular circuit forms primarily of WiFi module HLK-RM04, the 25 electric capacity C25, the 26 electric capacity C26, the 27 electric capacity C27, the 28 electric capacity C28, the 29 electric capacity C29, the 30 electric capacity C30, the 19 resistance R19, the 20 resistance R20, the 21 resistance R21, the 22 resistance R22, the 23 resistance R23, the 24 resistance R24.No. 1 pin VCC of WiFi module HLK-RM04 meets 5V power supply VCC5, 5.5V power supply VCC5 is met after one end of electric capacity C25 is connected with one end of electric capacity C26, ground connection after the other end of electric capacity C25 is connected with the other end of electric capacity C26, No. 2 pin GND ground connection of WiFi module HLK-RM04, 3.3V power supply VCC3.3 is met after No. 4 pin VDD of WiFi module HLK-RM04 are connected with one end of electric capacity C27, the other end ground connection of electric capacity C27, one end of No. 10 pin ES/RST connecting resistance R19 of WiFi module HLK-RM04, one end of the other end connecting resistance R24 of resistance R19, another termination 3.3V power supply VCC3.3 of resistance R24, one end of No. 20 pin connecting resistance R22 of WiFi module HLK-RM04, No. 25 pin PA2/USART2_TX of another termination STM32F103VET6 processor of resistance R22, one end of No. 21 pin connecting resistance R21 of WiFi module HLK-RM04, No. 26 pin PA3/USART2_RX of another termination STM32F103VET6 processor of resistance R21, one end of No. 25 pin WPS/RST connecting resistance R20 of WiFi module HLK-RM04, one end of the other end connecting resistance R23 of resistance R20, another termination 3.3V power supply VCC3.3 of resistance R23, 1.8V power supply VCC1.8 is met after No. 27 pin VDD_1.8 of WiFi module HLK-RM04 are connected with one end of electric capacity C30, the other end ground connection of electric capacity C30, No. 28 pin VCC of WiFi module HLK-RM04 meet 5V power supply VCC5, 5V power supply VCC5 is met after one end of electric capacity C28 is connected with one end of electric capacity C29, ground connection after the other end of electric capacity C28 is connected with the other end of electric capacity C29.
2.8 cun of TFT-LCD interface circuits form primarily of 34 pin TFT-LCD row pins, the 33 electric capacity C33, the 34 electric capacity C34.No. 1 pin LCD_CS of TFT-LCD row pin meets No. 88 pin PD7/FSMC_NE1 of STM32F103VET6 processor, No. 2 pin RS of row's pin meet No. 58 pin PD11/FSMC_A16 of STM32F103VET6 processor, No. 3 pin WR/CLK of row's pin meet No. 86 pin PD5/FSMC_NWE of STM32F103VET6 processor, No. 4 pin RD of row's pin meet No. 85 pin PD4/FSMC_NOE of STM32F103VET6 processor, No. 5 pin RST of row's pin meet No. 14 pin NRST of STM32F103VET6 processor, No. 6 pin DB1 of row's pin meet No. 61 pin PD14/FSMC_D0 of STM32F103VET6 processor, No. 7 pin DB2 of row's pin meet No. 62 pin PD15/FSMC_D1 of STM32F103VET6 processor, No. 8 pin DB3 of row's pin receive No. 81 pin PD0/FSMC_D2 of STM32F103VET6 processor, No. 9 pin DB4 of row's pin meet No. 82 pin PD1/FSMC_D3 of STM32F103VET6 processor, No. 10 pin DB5 of row's pin meet No. 38 pin PE7/FSMC_D4 of STM32F103VET6 processor, No. 11 pin DB6 of row's pin meet No. 39 pin PE8/FSMC_D5 of STM32F103VET6 processor, No. 12 pin DB7 of row's pin meet No. 40 pin PE9/FSMC_D6 of STM32F103VET6 processor, No. 13 pin DB8 of row's pin meet No. 41 pin PE10/FSMC_D7 of STM32F103VET6 processor, No. 14 pin DB9 of row's pin meet No. 42 pin PE11/FSMC_D8 of STM32F103VET6 processor, No. 15 pin DB10 of row's pin meet No. 43 pin PE12/FSMC_D9 of STM32F103VET6 processor, No. 16 pin DB11 of row's pin meet No. 44 pin PE13/FSMC_D10 of STM32F103VET6 processor, No. 17 pin DB12 of row's pin meet No. 45 pin PE14/FSMC_D11 of STM32F103VET6 processor, No. 18 pin DB13 of row's pin meet No. 46 pin PE15/FSMC_D12 of STM32F103VET6 processor, No. 19 pin DB14 of row's pin meet No. 55 pin PD8/FSMC_D13 of STM32F103VET6 processor, No. 20 pin DB15 of row's pin meet No. 56 pin PD9/FSMC_D14 of STM32F103VET6 processor, No. 21 pin DB16 of row's pin meet No. 57 pin PD10/FSMC_D15 of STM32F103VET6 processor, No. 22 pin GND ground connection of row's pin, No. 23 pin BL of row's pin meet No. 35 pin PB0 of STM32F103VET6 processor, row pin No. 24 pin VDD3.3 be connected with one end of electric capacity C33 after meet 3.3V power supply VCC3.3, the other end ground connection of electric capacity C33, No. 25 pin VDD3.3 of row's pin meet 3.3V power supply VCC3.3, No. 26 pin GND ground connection of row's pin, No. 27 pin GND ground connection of row's pin, row pin No. 28 pin BL_VDD be connected with one end of electric capacity C34 after meet 5V power end VCC5, the other end ground connection of electric capacity C34, No. 29 pin MISO of row's pin meet No. 15 pin PC0 of STM32F103VET6 processor, No. 30 pin MOSI of row's pin meet No. 16 pin PC1 of STM32F103VET6 processor, No. 31 pin T_PEN of row's pin meet No. 17 pin PC2 of STM32F103VET6 processor, No. 32 pin MO of row's pin are unsettled, No. 33 pin T_CS of row's pin meet No. 18 pin PC3 of STM32F103VET6 processor, No. 34 pin CLK of row's pin meet No. 33 pin PC4 of STM32F103VET6 processor.
The beneficial effects of the utility model are: the utility model make use of the WiFi access point function of intelligent mobile terminal, realize the transmission of the humiture data to harvester.
Accompanying drawing explanation
Accompanying drawing 1 is the structured flowchart of master controller STM32F103VET6 of the present utility model;
Accompanying drawing 2 is the schematic diagram of DC_DC step-down power supply circuit of the present utility model;
Accompanying drawing 3 is the schematic diagram of JTAG download circuit of the present utility model;
Accompanying drawing 4 is that USB_232 of the present utility model powers and the schematic diagram of download circuit;
Accompanying drawing 5 is the schematic diagram of EEPROM power down memory circuit of the present utility model;
Accompanying drawing 6 is the schematic diagram of SPI Flash flash memory storage circuit of the present utility model;
Accompanying drawing 7 is the schematic diagram of DHT11 humiture collection circuit of the present utility model;
Accompanying drawing 8 is the schematic diagram of serial ports wifi module circuit of the present utility model;
Accompanying drawing 9 is the schematic diagram of 2.8 cun of TFT-LCD touch screen interface circuit of the present utility model;
Accompanying drawing 10 is circuit system general hardware architecture figure of the present utility model.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is carried out more in detail and complete explanation.Be understandable that, specific embodiment described herein only for explaining the utility model, but not to restriction of the present utility model.It also should be noted that, for convenience of description, illustrate only the part relevant to the utility model in accompanying drawing but not full content.
The utility model provides a kind of humiture collection based on WiFi communication technology and transmission system.Along with the development of technology, intelligent mobile terminal equipment becomes indispensable a kind of equipment in people's daily life gradually, and wherein intelligent mobile terminal comprises smart mobile phone, notebook, panel computer etc.Intelligent mobile terminal has very strong processing power, and support that multiple network carries out data transmission, and the work that can adapt to very flexibly under multiple environment, provide a kind of system utilizing intelligent mobile terminal to carry out humiture collection and transmission with this utility model.The utility model make use of the WiFi access point function of intelligent mobile terminal, realizes the transmission of the humiture data to harvester.WiFi(wireless fidelity) be that one can by PC, handheld device as pad, smart mobile phone intelligent terminal, the technology be wirelessly connected to each other.The utility model humiture collection transmission system can be applied to different working environments, convenient convenience.
The general hardware architecture figure of the utility model WiFi data acquisition system (DAS) circuit shown in Figure 10, the circuit of this system primarily of master controller STM32F103VET6 chip, JTAG download circuit, DC_DC step-down power supply circuit, USB_232 powers and download circuit, EEPROM power down memory circuit, SPI Flash flash memory storage circuit, DHT11 humiture collection circuit, HLK-RM04 serial ports WiFi modular circuit and 2.8 cun of TFT-LCD touch screen interface circuit compositions.
Wherein, master controller STM32F103VET6 chip, as the core processor of whole acquisition system, is responsible for the core works such as the process of various peripheral hardware used in coordination and control system and image data, is the command centre of whole system running; JTAG download tool is communicated by the carrying out of jtag interface with master controller STM32F103VET6, can realize the download program to processor STM32F103VET6 and on-line debugging, can upgrade system software easily and fast; The DC voltage exporting 5V and 3.3V after MP2358 and AMS1117-3.3 two DC voltage-stabilizing chip carries out DC/DC step-down conversion to the DC input voitage of 6-16V respectively is mainly used, for the master controller STM32F103VET6 of system, humiture collection circuit, memory circuit, the element circuit such as serial ports WiFi modular circuit and TFT-LCD liquid crystal display circuit provide power supply in DC_DC step-down supply module circuit; USB_232 powers and download circuit provides general mini USB interface, both can easily give system power supply, realizes the ISP download program function that USB turns serial ports again by level transferring chip CH340G; AT24C02 chip mainly used by EEPROM power down memory circuit, and this chip is communicated with master controller STM32F103VET6 by iic bus interface, and the data stored needing power down are kept at wherein, the loss of vital data that the unexpected power-off of anti-locking system causes; SPI Flash flash memory storage main circuit will use W25Q64 chip, this flash chip can be communicated with master controller STM32F103VET6 by spi bus interface, by needing the Hanzi font library file etc. used to save, facilitate the chinese disply of TFT-LCD touch-screen; DHT11 Temperature Humidity Sensor is communicated with master controller STM32F103VET6 by the mode of unibus, the humiture data of Real-time Collection environment, and transfers data to master controller STM32F103VET6 to process by unibus; HLK-RM04 serial ports WiFi module is communicated with master controller STM32F103VET6 by serial ports, it can accept AT instruction that master controller STM32F103VET6 sends over and humiture data, and by antenna, humiture data wireless is transferred to the terminals such as smart mobile phone; 2.8 cun of TFT-LCD touch screen interface circuit are by 34 double faller gill pins, 2.8 cun of TFT-LCD touch-screens and master controller STM32F103VET6 can be coupled together by FSMC bus interface, realize high-speed traffic and the transmission of the mass data needing display, reach friendly man-machine interaction effect.
The concrete technical scheme of the utility model embodiment is:
The present embodiment devises a kind of humiture collection transmission circuit based on WiFi technology, and this circuit is by 1.STM32F103VET6 governor circuit; 2.DC_DC step-down power supply circuit; 3.JTAG download circuit; 4. USB_232 powers and download circuit; 5.EEPROM power down memory circuit; 6.SPI Flash flash memory storage circuit; 7.DHT11 humiture collection circuit; 8. serial ports WiFi modular circuit; 9.2.8 very little TFT-LCD interface circuit.Introduce modules respectively below.
STM32F103VET6 main control chip:
The design selects this chip of STM32F103VET6 as the MCU of system.STM32F103VET6 is a STM32 family chip based on ARM Cortex-M3 kernel, and it belongs to the chip of high power capacity in STM32F103 series, and QFP100 encapsulates, and dominant frequency is up to 72MHz.The structured flowchart of this main control chip as shown in Figure 1, the hardware resource that it has mainly contains: storage space on the Flash sheet comprising SRAM and 512K of 64K, and have the Peripheral Interface that USB interface, iic bus interface, spi bus interface, serial ports and FSMC bus interface etc. are many, and be furnished with the JTAG download interface of standard.
In the design, STM32F103VET6 main control chip embedded SRAM and Flash are used for save routine and data, jtag interface is used for programming to STM32F103VET6 chip and debugging, USB interface is for power and USB turns the download program of serial ports, iic bus interface is for realizing the communication of eeprom chip AT24C02 and processor STM32F103VET6, spi bus interface is used for the communication of SPI Flash chip W25Q64 and processor STM32F103VET6, RS232 serial ports is for realizing the communication of serial ports WIFI module and processor STM32F103VET6, last FSMC bus interface is used for the connection of 2.8 cun of TFT-LCD touch-screens and processor STM32F103VET6 to realize fast refresh display page.
DC_DC step-down power supply circuit:
The design is furnished with special DC_DC step-down power supply circuit, and external power source input port DC_IN adopts the Direct current power source socket of standard, adopts DC-DC step-down chip in circuit, supports the Width funtion input of DC6-16V.
The schematic diagram of DC_DC step-down power supply circuit as shown in Figure 2, this supply module is primarily of Direct current power source socket DC_IN, 5V voltage stabilizing chip MP2359,3.3V voltage stabilizing chip AMS1117-3.3, power button K1,500mA resettable fuse F1, and SS14 schottky diode D1, SS14 schottky diode D2, the first resistance R1, the second resistance R2, the 3rd resistance R3, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6, the 7th electric capacity C7, the 8th electric capacity C8, the first inductance L 1 form.Direct current power source socket DC_IN has 3 terminals, wherein 2 and 3 terminals need ground connection, 1 terminals connect the positive pole of schottky diode D1, the negative pole of D1 connects one end of electric capacity C1, the other end ground connection of electric capacity C1, the BST pin of 5V voltage stabilizing chip MP2359 connects one end of electric capacity C3, the SW pin of another termination MP2359 of electric capacity C3, the GND pin of MP2359 is connected rear ground connection with one end of resistance R1, the other end of resistance R1 connects the FB pin of MP2359, one end of the FB pin of MP2359 contact resistance R2 again, No. 1 pin of another termination power button K1 of resistance R2, the SW pin of MP2359 connects the negative pole of schottky diode D2, the plus earth of schottky diode D2, the negative pole of schottky diode D1 is received after the IN pin of MP2359 is connected with one end of resistance R3, the negative pole of schottky diode D1 is also received in one end of electric capacity C2, the other end ground connection of electric capacity C2, the other end of resistance R3 is connected with the EN of MP2359, one end of inductance L 1 is connected to the SW pin of MP2359, the positive pole of electric capacity C5 is connected to after the other end of inductance L 1 is connected with one end of electric capacity C4, the positive pole of electric capacity C5 connects again No. 1 pin of power button K1, ground connection after the other end of electric capacity C4 is connected with the negative pole of electric capacity C5, No. 2 pins of power button K1 connect one end of resettable fuse F1, one end of electric capacity C6 is received after the other end of F1 is connected with the IN pin of 3.3V voltage stabilizing chip AMS1117-3.3, ground connection after the other end of electric capacity C6 is connected with the GND pin of AMS1117-3.3, the positive pole of electric capacity C7 is received after No. 2 of AMS1117-3.3 are connected with No. 4 pins, ground connection after the negative pole of electric capacity C7 is connected with one end of electric capacity C8, the other end of electric capacity C8 also receives the positive pole of electric capacity C7.
These feed circuit support the Width funtion input of DC6-16V, input voltage exports the DC voltage of 5V and 3.3V respectively after MP2359 and AMS1117-3.3 two chip DC/DC step-down conversion, for the element circuits such as the master controller STM32F103VET6 of system, humiture collection circuit, memory circuit, serial ports wifi module circuit and TFT-LCD liquid crystal display circuit provide power supply.
JTAG download circuit:
The design adopts 20 pin JTAG/SWD interface circuits of standard.JTAG (Joint Test Action Group, joint test working group) be a kind of international standard test protocol (IEEE 1149.1 is compatible), be mainly used in chip internal test, be nowadays also usually used in realizing ISP(In-System Programmer, in-system programming).The high-grade device of present majority all supports JTAG agreement, as ARM, DSP, FPGA device etc.The jtag interface of standard is 4 lines: TMS, TCK, TDI, TDO, is respectively model selection, clock, data input and DOL Data Output Line.
As shown in Figure 3, this module forms primarily of 20 pin jtag interfaces, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8 the schematic diagram of JTAG download circuit.3.3V power supply is connect after No. 1 of jtag interface is connected with No. 2 pins, one end of No. 3 pin TRST connecting resistance R4 of JTAG, another termination 3.3V power supply of resistance R4, one end of No. 5 pin TDI connecting resistance R5 of JTAG, another termination 3.3V power supply of resistance R5, one end of No. 7 pin TMS connecting resistance R6 of JTAG, another termination 3.3V power supply of resistance R6, one end of No. 9 pin TCK connecting resistance R7 of JTAG, the other end ground connection of resistance R7, one end of No. 13 pin TDO/SWO connecting resistance R8 of JTAG, another termination 3.3V power supply of resistance R8, No. 4 of JTAG, No. 6, No. 8, No. 10, No. 12, No. 14, No. 16, No. 18, No. 20 pins all ground connection, No. 11 of JTAG, No. 17, No. 19 pins are all unsettled, No. 15 pin RESET of JTAG receive on No. 14 pin NRST of master controller STM32F103VET6.
USB_232 powers and download circuit:
Provide USB interface in the design, both can easily give system power supply, the ISP download program function that USB turns serial ports can be realized again.The mini_USB interface of employing standard, plug and play, very convenient.
USB_232 power and download circuit schematic diagram as shown in Figure 4, this modular circuit forms primarily of mini_USB plug, level transferring chip CH340G, the 3rd crystal oscillator Y3, the 19 electric capacity C19, the 20 electric capacity C20, the 21 electric capacity C21, the 22 electric capacity C22, the 23 electric capacity C23, the 24 electric capacity C24, the 12 resistance R12, the 13 resistance R13, the 14 resistance R14, the 15 resistance R15, triode Q1, triode Q2, diode D3.No. 1 pin of Mini_USB plug meets VUSB provides positive voltage, No. 2 pin D-of mini_USB meet No. 6 pin CH340-D-of CH340G, No. 3 pin D+ of mini_USB meet No. 5 pin CH340-D+ of CH340G, No. 4 pins of mini_USB are unsettled, No. 5 pin ground connection of Mini_USB, No. 1 pin ground connection of CH340G chip, No. 2 TXD pins of CH340G meet No. 69 pin PA10/USART1_RX of master controller STM32F103VET6, No. 3 pin RXD of CH340G meet No. 68 pin PA9/USART1_TX of STM32F103VET6, No. 4 pins of CH340G connect one end of electric capacity C19, the other end ground connection of electric capacity C19, No. 7 pin XI of CH340G connect one end of crystal oscillator Y3, No. 8 pin XO of CH340G connect the other end of crystal oscillator Y3, No. 7 pins of the one termination CH340G of electric capacity C20, the other end ground connection of electric capacity C20, No. 8 pin XO of the one termination CH340G of electric capacity C21, the other end ground connection of electric capacity C21, No. 9 of CH340G, No. 10, No. 11, No. 12, No. 15 pins are all unsettled, one end of No. 13 pin connecting resistance R12 of CH340G, the base stage of another termination triode Q1 of resistance R12, one end of No. 14 pin connecting resistance R14 of CH340G, the base stage of another termination triode Q2 of resistance R14, No. 16 pins of CH340G are received after one end of electric capacity C23 is connected with one end of electric capacity C24, ground connection after the other end of electric capacity C23 is connected with the other end of electric capacity C24, No. 16 pins of CH340G meet 5V power supply VCC5, the one termination 3.3V power supply VCC3.3 of resistance R13, the collector of another termination triode Q1 of resistance R13, the negative pole of diode D3 connects the collector of triode Q1, the positive pole of diode D3 connects on No. 14 pin NRST of main control chip STM32F103VET6, the emitter of triode Q1 connects No. 14 pins of CH340G, the emitter of triode Q2 connects 3.3V power supply, one end of the collector connecting resistance R15 of triode Q2, No. 94 pin BOOT0 of another termination main control chip STM32F103VET6 of resistance R15, the one termination 5V power supply of electric capacity C22, the other end ground connection of electric capacity C22.
EEPROM power down memory circuit:
The design considers that system has partial data to need power down protection; as the correction data of touch-screen; the network parameter etc. of wifi wireless network, so used EEPROM power down protection chip AT24C02, this chip has been communicated with STM32 master controller by iic bus interface.
As shown in Figure 5, this modular circuit forms primarily of eeprom chip AT24C02, the 31 electric capacity C31, the 25 resistance R25, the 26 resistance R26 the schematic diagram of EEPROM power down memory circuit.No. 1 of chip AT24C02, No. 2, No. 3, No. 4 equal ground connection of pin, receive on No. 93 pin PB7/I2C1_SDA of main control chip STM32F103VET6 after No. 5 pin SDA of AT24C02 are connected with one end of resistance R26, another termination 3.3V power supply of resistance R26, receive on No. 92 pin PB6/I2C1_SCL of main control chip STM32F103VET6 after No. 6 pin SCL of AT24C02 are connected with one end of resistance R25, another termination 3.3V power supply of resistance R25, No. 7 pin WP ground connection of AT24C02, No. 8 pin VCC1 of AT24C02 connect 3.3V power supply, No. 8 pins of the one termination AT24C02 of electric capacity C31, No. 7 pins of another termination AT24C02 of electric capacity C31.
SPI Flash flash memory storage circuit:
The design is in order to the man-machine interface of close friend, and need Display of Chinese characters etc. on TFT-LCD touch-screen, selected Flash flash chip W25Q64 to store Hanzi font library in system, this chip is communicated with STM32 master controller by spi bus mode.
As shown in Figure 6, this modular circuit forms primarily of flash chip W25Q64 and the 35 electric capacity C35 the schematic diagram of SPI Flash flash memory storage circuit.No. 1 pin CS of W25Q64 connects No. 51 pin PB12/SPI2_NSS of master controller STM32F103VET6, No. 2 pin SO of W25Q64 meet No. 53 pin PB14/SPI2_MISO of STM32F103VET6, No. 3 pin WP# of W25Q64 connect 3.3V power supply, No. 4 pin GND ground connection of W25Q64, No. 5 pin SI of W25Q64 meet No. 54 pin PB15/SPI2_MOSI of STM32F103VET6, No. 6 pin CLK of W25Q64 meet No. 52 pin PB13/SPI2_SCK of STM32F103VET6, 3.3V power supply is connect after No. 7 pins of W25Q64 are connected with No. 8 pins, No. 8 pins of the one termination W25Q64 of electric capacity C35, the other end ground connection of electric capacity C35.
DHT11 humiture collection circuit:
The design adopts humiture integrated digital sensor DHT11 to gather ambient temperature and humidity, and DHT11 comprises a resistance-type hygrometric element and a NTC temperature element.Simple unibus can be adopted between this sensor with master controller STM32 to communicate, only need an I/O mouth.
As shown in Figure 7, this modular circuit forms primarily of Temperature Humidity Sensor DHT11, the 27 resistance R27, the 32 electric capacity C32 the schematic diagram of DHT11 humiture collection circuit.3.3V power supply VCC3.3 is met after No. 1 pin VCC of DHT11 is connected with one end of electric capacity C32, the other end ground connection of electric capacity C32, No. 63 pin PC6 of master controller STM32F103VET6 are received after No. 2 pin DQ of DHT11 are connected with one end of resistance R27, ground connection after another termination 3.3V power supply VCC3.3 of resistance R27, DHT11 No. 3 are connected with No. 4 pins.
Serial ports WiFi modular circuit:
The design adopts serial ports WiFi module HLK-RM04 as the solution of wireless transmission.HLK-RM04 module is the embedded WiFi module of a low cost that Hi-Link company releases, this module is the flush bonding module meeting network standard based on serial ports, built-in ICP/IP protocol stack and WLAN wireless network protocol stack, can realize the data conversion of user's serial ports, Ethernet, wireless network (WiFi) 3 interfaces.Native system only need use the serial ports of HLK-RM04 to turn WiFi function, completes the wireless transmission of serial data.
This serial ports WiFi module is under AT instruction mode, and the systematic parameter of AT instruction to WiFi network that can be sended over by serial ports is configured, and AT instruction list is as follows:
| netmode | Network schemer |
| wifi_conf | Wifi configures |
| dhcpc | Dhcp client configuration |
| net_ip | Network ip address |
| net_dns | Network dns address |
| dhcpd | Dhcp server configures |
| dhcpd_ip | Dhcp server ip address |
| dhcpd_dns | Dhcp server dns address |
| dhcpd_time | The Dhcp server-assignment time |
| net_commit | Submit network configuration to |
| out_trans | Exit transparent transmission |
| remoteip | Far-end server domain name or ip address |
| remoteport | This locality or distal end slogan |
| remotepro | Network protocol type |
| timeout | Network timeout period |
| mode | Network schemer |
| uart | Serial ports configures |
| uartpacklen | Serial ports framing length |
| uartpacktimeout | The serial ports framing time |
| save | Submit serial ports conversion configurations to and restart service |
| reconn | Restart service |
| default | Factory reset |
| reboot | Restart module |
| ver | Module release |
As shown in Figure 8, this modular circuit forms primarily of WiFi module HLK-RM04, the 25 electric capacity C25, the 26 electric capacity C26, the 27 electric capacity C27, the 28 electric capacity C28, the 29 electric capacity C29, the 30 electric capacity C30, the 19 resistance R19, the 20 resistance R20, the 21 resistance R21, the 22 resistance R22, the 23 resistance R23, the 24 resistance R24 the schematic diagram of serial ports WiFi modular circuit.No. 1 pin VCC of HLK-RM04 meets 5V power supply VCC5, 5.5V power supply VCC5 is met after one end of electric capacity C25 is connected with one end of electric capacity C26, ground connection after the other end of electric capacity C25 is connected with the other end of electric capacity C26, No. 2 pin GND ground connection of HLK-RM04, 3.3V power supply VCC3.3 is met after No. 4 pin VDD of HLK-RM04 are connected with one end of electric capacity C27, the other end ground connection of electric capacity C27, one end of No. 10 pin ES/RST connecting resistance R19 of HLK-RM04, one end of the other end connecting resistance R24 of resistance R19, another termination 3.3V power supply VCC3.3 of resistance R24, one end of No. 20 pin connecting resistance R22 of HLK-RM04, No. 25 pin PA2/USART2_TX of another termination master controller STM32F103VET6 of resistance R22, one end of No. 21 pin connecting resistance R21 of HLK-RM04, No. 26 pin PA3/USART2_RX of another termination master controller STM32F103VET6 of resistance R21, one end of No. 25 pin WPS/RST connecting resistance R20 of HLK-RM04, one end of the other end connecting resistance R23 of resistance R20, another termination 3.3V power supply VCC3.3 of resistance R23, 1.8V power supply VCC1.8 is met after No. 27 pin VDD_1.8 of HLK-RM04 are connected with one end of electric capacity C30, the other end ground connection of electric capacity C30, No. 28 pin VCC of HLK-RM04 meet 5V power supply VCC5, 5V power supply VCC5 is met after one end of electric capacity C28 is connected with one end of electric capacity C29, ground connection after the other end of electric capacity C28 is connected with the other end of electric capacity C29.
2.8 cun of TFT-LCD interface circuits:
Native system uses the TFT-LCD module of 2.8 cun as display and the instrument of man-machine interaction.This module supports the display of 65K look, and display resolution is 320*240, and interface is 80 parallel ports of 16, carries touch-screen.The lcd drive chip that this module carries is ILI9325, and touch-screen driving chip is XPT2046.By the display of the FSMC interface control TFT-LCD of STM32, pass through SPI Interface realization to the control of touch-screen simultaneously.
As shown in Figure 9, this modular circuit arranges pin primarily of 34 pin TFT-LCD to the interface circuit schematic diagram of 2.8 cun of TFT-LCD modules, the 33 electric capacity C33, the 34 electric capacity C34 form.No. 1 pin LCD_CS of TFT-LCD row pin meets No. 88 pin PD7/FSMC_NE1 of master controller STM32F103VET6, No. 2 pin RS of row's pin meet No. 58 pin PD11/FSMC_A16 of master controller STM32F103VET6, No. 3 pin WR/CLK of row's pin meet No. 86 pin PD5/FSMC_NWE of master controller STM32F103VET6, No. 4 pin RD of row's pin meet No. 85 pin PD4/FSMC_NOE of master controller STM32F103VET6, No. 5 pin RST of row's pin meet No. 14 pin NRST of master controller STM32F103VET6, No. 6 pin DB1 of row's pin meet No. 61 pin PD14/FSMC_D0 of master controller STM32F103VET6, No. 7 pin DB2 of row's pin meet No. 62 pin PD15/FSMC_D1 of controller STM32F103VET6, No. 8 pin DB3 of row's pin receive No. 81 pin PD0/FSMC_D2 of master controller STM32F103VET6, No. 9 pin DB4 of row's pin meet No. 82 pin PD1/FSMC_D3 of master controller STM32F103VET6, No. 10 pin DB5 of row's pin meet No. 38 pin PE7/FSMC_D4 of STM32F103VET6, No. 11 pin DB6 of row's pin meet No. 39 pin PE8/FSMC_D5 of controller STM32F103VET6, No. 12 pin DB7 of row's pin meet No. 40 pin PE9/FSMC_D6 of STM32F103VET6, No. 13 pin DB8 of row's pin meet No. 41 pin PE10/FSMC_D7 of STM32F103VET6, No. 14 pin DB9 of row's pin meet No. 42 pin PE11/FSMC_D8 of STM32F103VET6, No. 15 pin DB10 of row's pin meet No. 43 pin PE12/FSMC_D9 of master controller STM32F103VET6, No. 16 pin DB11 of row's pin meet No. 44 pin PE13/FSMC_D10 of STM32F103VET6, No. 17 pin DB12 of row's pin meet No. 45 pin PE14/FSMC_D11 of master controller STM32F103VET6, No. 18 pin DB13 of row's pin meet No. 46 pin PE15/FSMC_D12 of STM32F103VET6, No. 19 pin DB14 of row's pin meet No. 55 pin PD8/FSMC_D13 of STM32F103VET6, No. 20 pin DB15 of row's pin meet No. 56 pin PD9/FSMC_D14 of master controller STM32F103VET6, No. 21 pin DB16 of row's pin meet No. 57 pin PD10/FSMC_D15 of STM32F103VET6, No. 22 pin GND ground connection of row's pin, No. 23 pin BL of row's pin meet No. 35 pin PB0 of STM32F103VET6, row pin No. 24 pin VDD3.3 be connected with one end of electric capacity C33 after meet 3.3V power supply VCC3.3, the other end ground connection of electric capacity C33, No. 25 pin VDD3.3 of row's pin meet 3.3V power supply VCC3.3, No. 26 pin GND ground connection of row's pin, No. 27 pin GND ground connection of row's pin, row pin No. 28 pin BL_VDD be connected with one end of electric capacity C34 after meet 5V power end VCC5, the other end ground connection of electric capacity C34, No. 29 pin MISO of row's pin meet No. 15 pin PC0 of STM32F103VET6, No. 30 pin MOSI of row's pin meet No. 16 pin PC1 of STM32F103VET6, No. 31 pin T_PEN of row's pin meet No. 17 pin PC2 of master controller STM32F103VET6, No. 32 pin MO of row's pin are unsettled, No. 33 pin T_CS of row's pin meet No. 18 pin PC3 of master controller STM32F103VET6, No. 34 pin CLK of row's pin meet No. 33 pin PC4 of STM32F103VET6.
Principle of work of the present utility model is as follows: use unibus Temperature Humidity Sensor DHT11 to gather real time humiture, main control chip STM32F103VET6 completes the process of humiture data, and under the reading request of smart mobile phone client, by serial ports WiFi module, data are wirelessly transmitted to cell-phone customer terminal in real time, the humiture data that cell-phone customer terminal record storage of collected arrive.In addition, also achieve friendly man-machine interaction with TFT-LCD touch-screen in design, state and the humiture data of whole acquisition module can be shown in real time, and meet the requirement that user manually arranges WiFi network parameter.Finally, as Function Extension, humiture data can be transferred on internet by 3G mobile network by mobile phone, facilitate remote monitoring and data tracking.
Claims (1)
1. the mobile mobile bee-keeper humiture collection circuit based on WiFi, comprise STM32F103VET6 governor circuit, DC_DC step-down power supply circuit, JTAG download circuit, USB_232 powers and download circuit, EEPROM power down memory circuit, SPI Flash flash memory storage circuit, DHT11 humiture collection circuit, serial ports WiFi modular circuit, 2.8 cun of TFT-LCD interface circuits, it is characterized in that:
STM32F103VET6 governor circuit comprises STM32F103VET6 processor, STM32F103VET6 processor embedded SRAM and Flash are used for save routine and data, jtag interface is used for programming to STM32F103VET6 chip and debugging, USB interface is for power and USB turns the download program of serial ports, iic bus interface is for realizing the communication of eeprom chip AT24C02 and processor STM32F103VET6, spi bus interface is used for the communication of SPI Flash chip W25Q64 and processor STM32F103VET6, RS232 serial ports is for realizing the communication of serial ports WIFI module and processor STM32F103VET6, FSMC bus interface is used for the connection of 2.8 cun of TFT-LCD touch-screens and processor STM32F103VET6 to realize fast refresh display page,
DC_DC step-down power supply circuit is primarily of Direct current power source socket DC_IN, 5V voltage stabilizing chip MP2359,3.3V voltage stabilizing chip AMS1117-3.3, power button K1,500mA resettable fuse F1, and SS14 schottky diode D1, SS14 schottky diode D2, the first resistance R1, the second resistance R2, the 3rd resistance R3, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6, the 7th electric capacity C7, the 8th electric capacity C8, the first inductance L 1 form, Direct current power source socket DC_IN has 3 terminals, wherein 2 and 3 terminals need ground connection, 1 terminals connect the positive pole of schottky diode D1, the negative pole of schottky diode D1 connects one end of electric capacity C1, the other end ground connection of electric capacity C1, the BST pin of 5V voltage stabilizing chip MP2359 connects one end of electric capacity C3, the SW pin of another termination MP2359 of electric capacity C3, the GND pin of 5V voltage stabilizing chip MP2359 is connected rear ground connection with one end of resistance R1, the other end of resistance R1 connects the FB pin of 5V voltage stabilizing chip MP2359, one end of the FB pin of 5V voltage stabilizing chip MP2359 contact resistance R2 again, No. 1 pin of another termination power button K1 of resistance R2, the SW pin of 5V voltage stabilizing chip MP2359 connects the negative pole of schottky diode D2, the plus earth of schottky diode D2, the negative pole of schottky diode D1 is received after the IN pin of 5V voltage stabilizing chip MP2359 is connected with one end of resistance R3, the negative pole of schottky diode D1 is also received in one end of electric capacity C2, the other end ground connection of electric capacity C2, the other end of resistance R3 is connected with the EN of 5V voltage stabilizing chip MP2359, one end of inductance L 1 is connected to the SW pin of 5V voltage stabilizing chip MP2359, the positive pole of electric capacity C5 is connected to after the other end of inductance L 1 is connected with one end of electric capacity C4, the positive pole of electric capacity C5 connects again No. 1 pin of power button K1, ground connection after the other end of electric capacity C4 is connected with the negative pole of electric capacity C5, No. 2 pins of power button K1 connect one end of resettable fuse F1, one end of electric capacity C6 is received after the other end of resettable fuse F1 is connected with the IN pin of 3.3V voltage stabilizing chip AMS1117-3.3, ground connection after the other end of electric capacity C6 is connected with the GND pin of 3.3V voltage stabilizing chip AMS1117-3.3, the positive pole of electric capacity C7 is received after No. 2 of 3.3V voltage stabilizing chip AMS1117-3.3 are connected with No. 4 pins, ground connection after the negative pole of electric capacity C7 is connected with one end of electric capacity C8, the other end of electric capacity C8 also receives the positive pole of electric capacity C7,
JTAG download circuit forms primarily of 20 pin jtag interfaces, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, 3.3V power supply is connect after No. 1 of jtag interface is connected with No. 2 pins, one end of No. 3 pin TRST connecting resistance R4 of JTAG, another termination 3.3V power supply of resistance R4, one end of No. 5 pin TDI connecting resistance R5 of JTAG, another termination 3.3V power supply of resistance R5, one end of No. 7 pin TMS connecting resistance R6 of JTAG, another termination 3.3V power supply of resistance R6, one end of No. 9 pin TCK connecting resistance R7 of JTAG, the other end ground connection of resistance R7, one end of No. 13 pin TDO/SWO connecting resistance R8 of JTAG, another termination 3.3V power supply of resistance R8, No. 4 of JTAG, No. 6, No. 8, No. 10, No. 12, No. 14, No. 16, No. 18, No. 20 pins all ground connection, No. 11 of JTAG, No. 17, No. 19 pins are all unsettled, No. 15 pin RESET of JTAG receive on No. 14 pin NRST of STM32F103VET6 processor,
USB_232 powers and download circuit forms primarily of mini_USB plug, level transferring chip CH340G, the 3rd crystal oscillator Y3, the 19 electric capacity C19, the 20 electric capacity C20, the 21 electric capacity C21, the 22 electric capacity C22, the 23 electric capacity C23, the 24 electric capacity C24, the 12 resistance R12, the 13 resistance R13, the 14 resistance R14, the 15 resistance R15, triode Q1, triode Q2, diode D3, No. 1 pin of Mini_USB plug meets VUSB provides positive voltage, No. 2 pin D-of mini_USB plug meet No. 6 pin CH340-D-of level transferring chip CH340G, No. 3 pin D+ of mini_USB plug meet No. 5 pin CH340-D+ of level transferring chip CH340G, No. 4 pins of mini_USB plug are unsettled, No. 5 pin ground connection of Mini_USB plug, No. 1 pin ground connection of level transferring chip CH340G chip, No. 2 TXD pins of level transferring chip CH340G meet No. 69 pin PA10/USART1_RX of STM32F103VET6 processor, No. 3 pin RXD of level transferring chip CH340G meet No. 68 pin PA9/USART1_TX of STM32F103VET6 processor, No. 4 pins of level transferring chip CH340G connect one end of electric capacity C19, the other end ground connection of electric capacity C19, No. 7 pin XI of level transferring chip CH340G connect one end of crystal oscillator Y3, No. 8 pin XO of level transferring chip CH340G connect the other end of crystal oscillator Y3, No. 7 pins of the one termination CH340G of electric capacity C20, the other end ground connection of electric capacity C20, No. 8 pin XO of the one termination level transferring chip CH340G of electric capacity C21, the other end ground connection of electric capacity C21, No. 9 of level transferring chip CH340G, No. 10, No. 11, No. 12, No. 15 pins are all unsettled, one end of No. 13 pin connecting resistance R12 of level transferring chip CH340G, the base stage of another termination triode Q1 of resistance R12, one end of No. 14 pin connecting resistance R14 of level transferring chip CH340G, the base stage of another termination triode Q2 of resistance R14, No. 16 pins of level transferring chip CH340G are received after one end of electric capacity C23 is connected with one end of electric capacity C24, ground connection after the other end of electric capacity C23 is connected with the other end of electric capacity C24, No. 16 pins of CH340G meet 5V power supply VCC5, the one termination 3.3V power supply VCC3.3 of resistance R13, the collector of another termination triode Q1 of resistance R13, the negative pole of diode D3 connects the collector of triode Q1, the positive pole of diode D3 connects on No. 14 pin NRST of main control chip STM32F103VET6, the emitter of triode Q1 connects No. 14 pins of CH340G, the emitter of triode Q2 connects 3.3V power supply, one end of the collector connecting resistance R15 of triode Q2, No. 94 pin BOOT0 of another termination main control chip STM32F103VET6 of resistance R15, the one termination 5V power supply of electric capacity C22, the other end ground connection of electric capacity C22,
EEPROM power down memory circuit forms primarily of eeprom chip AT24C02, the 31 electric capacity C31, the 25 resistance R25, the 26 resistance R26, No. 1 of chip AT24C02, No. 2, No. 3, No. 4 equal ground connection of pin, receive on No. 93 pin PB7/I2C1_SDA of STM32F103VET6 processor after No. 5 pin SDA of chip AT24C02 are connected with one end of resistance R26, another termination 3.3V power supply of resistance R26, receive on No. 92 pin PB6/I2C1_SCL of STM32F103VET6 processor after No. 6 pin SCL of chip AT24C02 are connected with one end of resistance R25, another termination 3.3V power supply of resistance R25, No. 7 pin WP ground connection of chip AT24C02, No. 8 pin VCC1 of chip AT24C02 connect 3.3V power supply, No. 8 pins of the one termination AT24C02 of electric capacity C31, No. 7 pins of another termination AT24C02 of electric capacity C31,
SPI Flash flash memory storage circuit forms primarily of flash chip W25Q64 and the 35 electric capacity C35, No. 1 pin CS of flash chip W25Q64 connects No. 51 pin PB12/SPI2_NSS of STM32F103VET6 processor, No. 2 pin SO of flash chip W25Q64 meet No. 53 pin PB14/SPI2_MISO of STM32F103VET6 processor, No. 3 pin WP# of flash chip W25Q64 connect 3.3V power supply, No. 4 pin GND ground connection of flash chip W25Q64, No. 5 pin SI of flash chip W25Q64 meet No. 54 pin PB15/SPI2_MOSI of STM32F103VET6 processor, No. 6 pin CLK of flash chip W25Q64 meet No. 52 pin PB13/SPI2_SCK of STM32F103VET6 processor, 3.3V power supply is connect after No. 7 pins of flash chip W25Q64 are connected with No. 8 pins, No. 8 pins of the one termination W25Q64 of electric capacity C35, the other end ground connection of electric capacity C35,
DHT11 humiture collection circuit forms primarily of Temperature Humidity Sensor DHT11, the 27 resistance R27, the 32 electric capacity C32; 3.3V power supply VCC3.3 is met after No. 1 pin VCC of Temperature Humidity Sensor DHT11 is connected with one end of electric capacity C32, the other end ground connection of electric capacity C32, No. 63 pin PC6 of STM32F103VET6 processor are received after No. 2 pin DQ of Temperature Humidity Sensor DHT11 are connected with one end of resistance R27, ground connection after another termination 3.3V power supply VCC3.3 of resistance R27, Temperature Humidity Sensor DHT11 No. 3 are connected with No. 4 pins;
Serial ports WiFi modular circuit forms primarily of WiFi module HLK-RM04, the 25 electric capacity C25, the 26 electric capacity C26, the 27 electric capacity C27, the 28 electric capacity C28, the 29 electric capacity C29, the 30 electric capacity C30, the 19 resistance R19, the 20 resistance R20, the 21 resistance R21, the 22 resistance R22, the 23 resistance R23, the 24 resistance R24, No. 1 pin VCC of WiFi module HLK-RM04 meets 5V power supply VCC5, 5.5V power supply VCC5 is met after one end of electric capacity C25 is connected with one end of electric capacity C26, ground connection after the other end of electric capacity C25 is connected with the other end of electric capacity C26, No. 2 pin GND ground connection of WiFi module HLK-RM04, 3.3V power supply VCC3.3 is met after No. 4 pin VDD of WiFi module HLK-RM04 are connected with one end of electric capacity C27, the other end ground connection of electric capacity C27, one end of No. 10 pin ES/RST connecting resistance R19 of WiFi module HLK-RM04, one end of the other end connecting resistance R24 of resistance R19, another termination 3.3V power supply VCC3.3 of resistance R24, one end of No. 20 pin connecting resistance R22 of WiFi module HLK-RM04, No. 25 pin PA2/USART2_TX of another termination STM32F103VET6 processor of resistance R22, one end of No. 21 pin connecting resistance R21 of WiFi module HLK-RM04, No. 26 pin PA3/USART2_RX of another termination STM32F103VET6 processor of resistance R21, one end of No. 25 pin WPS/RST connecting resistance R20 of WiFi module HLK-RM04, one end of the other end connecting resistance R23 of resistance R20, another termination 3.3V power supply VCC3.3 of resistance R23, 1.8V power supply VCC1.8 is met after No. 27 pin VDD_1.8 of WiFi module HLK-RM04 are connected with one end of electric capacity C30, the other end ground connection of electric capacity C30, No. 28 pin VCC of WiFi module HLK-RM04 meet 5V power supply VCC5, 5V power supply VCC5 is met after one end of electric capacity C28 is connected with one end of electric capacity C29, ground connection after the other end of electric capacity C28 is connected with the other end of electric capacity C29,
2.8 cun of TFT-LCD interface circuits form primarily of 34 pin TFT-LCD row pins, the 33 electric capacity C33, the 34 electric capacity C34, No. 1 pin LCD_CS of TFT-LCD row pin meets No. 88 pin PD7/FSMC_NE1 of STM32F103VET6 processor, No. 2 pin RS of row's pin meet No. 58 pin PD11/FSMC_A16 of STM32F103VET6 processor, No. 3 pin WR/CLK of row's pin meet No. 86 pin PD5/FSMC_NWE of STM32F103VET6 processor, No. 4 pin RD of row's pin meet No. 85 pin PD4/FSMC_NOE of STM32F103VET6 processor, No. 5 pin RST of row's pin meet No. 14 pin NRST of STM32F103VET6 processor, No. 6 pin DB1 of row's pin meet No. 61 pin PD14/FSMC_D0 of STM32F103VET6 processor, No. 7 pin DB2 of row's pin meet No. 62 pin PD15/FSMC_D1 of STM32F103VET6 processor, No. 8 pin DB3 of row's pin receive No. 81 pin PD0/FSMC_D2 of STM32F103VET6 processor, No. 9 pin DB4 of row's pin meet No. 82 pin PD1/FSMC_D3 of STM32F103VET6 processor, No. 10 pin DB5 of row's pin meet No. 38 pin PE7/FSMC_D4 of STM32F103VET6 processor, No. 11 pin DB6 of row's pin meet No. 39 pin PE8/FSMC_D5 of STM32F103VET6 processor, No. 12 pin DB7 of row's pin meet No. 40 pin PE9/FSMC_D6 of STM32F103VET6 processor, No. 13 pin DB8 of row's pin meet No. 41 pin PE10/FSMC_D7 of STM32F103VET6 processor, No. 14 pin DB9 of row's pin meet No. 42 pin PE11/FSMC_D8 of STM32F103VET6 processor, No. 15 pin DB10 of row's pin meet No. 43 pin PE12/FSMC_D9 of STM32F103VET6 processor, No. 16 pin DB11 of row's pin meet No. 44 pin PE13/FSMC_D10 of STM32F103VET6 processor, No. 17 pin DB12 of row's pin meet No. 45 pin PE14/FSMC_D11 of STM32F103VET6 processor, No. 18 pin DB13 of row's pin meet No. 46 pin PE15/FSMC_D12 of STM32F103VET6 processor, No. 19 pin DB14 of row's pin meet No. 55 pin PD8/FSMC_D13 of STM32F103VET6 processor, No. 20 pin DB15 of row's pin meet No. 56 pin PD9/FSMC_D14 of STM32F103VET6 processor, No. 21 pin DB16 of row's pin meet No. 57 pin PD10/FSMC_D15 of STM32F103VET6 processor, No. 22 pin GND ground connection of row's pin, No. 23 pin BL of row's pin meet No. 35 pin PB0 of STM32F103VET6 processor, row pin No. 24 pin VDD3.3 be connected with one end of electric capacity C33 after meet 3.3V power supply VCC3.3, the other end ground connection of electric capacity C33, No. 25 pin VDD3.3 of row's pin meet 3.3V power supply VCC3.3, No. 26 pin GND ground connection of row's pin, No. 27 pin GND ground connection of row's pin, row pin No. 28 pin BL_VDD be connected with one end of electric capacity C34 after meet 5V power end VCC5, the other end ground connection of electric capacity C34, No. 29 pin MISO of row's pin meet No. 15 pin PC0 of STM32F103VET6 processor, No. 30 pin MOSI of row's pin meet No. 16 pin PC1 of STM32F103VET6 processor, No. 31 pin T_PEN of row's pin meet No. 17 pin PC2 of STM32F103VET6 processor, No. 32 pin MO of row's pin are unsettled, No. 33 pin T_CS of row's pin meet No. 18 pin PC3 of STM32F103VET6 processor, No. 34 pin CLK of row's pin meet No. 33 pin PC4 of STM32F103VET6 processor.
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| CN201420600815.9U CN204229611U (en) | 2014-10-16 | 2014-10-16 | A kind of mobile mobile bee-keeper humiture collection circuit based on WiFi |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332040A (en) * | 2014-10-16 | 2015-02-04 | 杭州电子科技大学 | WiFi (wireless fidelity)-based mobile bee-keeping car temperature and humidity acquisition system |
| CN109459935A (en) * | 2017-09-06 | 2019-03-12 | 深圳市海洋王照明工程有限公司 | Intelligent housing circuit |
| CN109460090A (en) * | 2017-09-06 | 2019-03-12 | 深圳市海洋王照明工程有限公司 | A kind of temperature-humidity detecting device and its control circuit |
-
2014
- 2014-10-16 CN CN201420600815.9U patent/CN204229611U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332040A (en) * | 2014-10-16 | 2015-02-04 | 杭州电子科技大学 | WiFi (wireless fidelity)-based mobile bee-keeping car temperature and humidity acquisition system |
| CN109459935A (en) * | 2017-09-06 | 2019-03-12 | 深圳市海洋王照明工程有限公司 | Intelligent housing circuit |
| CN109460090A (en) * | 2017-09-06 | 2019-03-12 | 深圳市海洋王照明工程有限公司 | A kind of temperature-humidity detecting device and its control circuit |
| CN109460090B (en) * | 2017-09-06 | 2021-02-26 | 深圳市海洋王照明工程有限公司 | Temperature and humidity detection device and control circuit thereof |
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