CN104537404A - Service plate food variety information reader suitable for intelligent restaurant system - Google Patents
Service plate food variety information reader suitable for intelligent restaurant system Download PDFInfo
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- CN104537404A CN104537404A CN201510023135.4A CN201510023135A CN104537404A CN 104537404 A CN104537404 A CN 104537404A CN 201510023135 A CN201510023135 A CN 201510023135A CN 104537404 A CN104537404 A CN 104537404A
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Abstract
The invention relates to a service plate food variety information reader suitable for an intelligent restaurant system. At present, a settlement mode in the foodservice industry at present basically stays in the manual settlement stage; fee deduction is carried out in the modes that judgment and price determination of food varieties are manually carried out, and then the price is input into a fee deduction machine. By means of the settlement mode, the settlement speed is low, mistakes are easily made, the manual cost is high, and the defects of being poor in dinner having experience of a client and the like are caused. The service plate food variety information reader comprises a power module, an STM32 controller module, an RFID read-write module, a touch display screen module and a wireless communication module. The service plate food variety information reader is high in settlement speed and not prone to making mistakes.
Description
Technical field
The invention belongs to technology of Internet of things field, relate to a kind of service plate dish information read write line being applicable to intelligent food management system.
Background technology
Settlement mode in current catering industry is all also in artificial accounts settling phase substantially, is all on the machine of deducting fees, to input price implementation again after artificially carrying out judgement price to vegetable to deduct fees.This settlement method is not only settled accounts and is made mistakes slowly, easily, and cost of labor is high, and the dining that also there is client experiences the drawbacks such as not good.Especially, in quick catering industry, when peak traffic, rapid reaction must be made at short notice and carry out a large amount of information processings, but limited personnel, the time of client therefore can be caused to be delayed, and then cause the loss of traveller.Existing based on the quick settlement system of RFID intelligence food and drink on market, by RFID REID, for each service plate inside embeds a RFID, the different Color pair of service plate answers prices different inside electronic tag, pallet, after selecting dish from favored area, is put into cashier system and automatically reads and calculate total charge and complete clearing by eater.This system does not need artificial accounting, but adjusted voluntarily by system, speed is fast, zero defect, can realize that consumption is transparent, the target that reduces costs, but simultaneous outstanding problem is the waiter buying dish is the service plate contained by the vegetable of phase dutiable value into this price corresponding color, linking of dish information and person sponging on an aristocrat's information cannot be realized, thus the express checkout problem only solved, the method that there is no realizes the large data separate to dining information.In addition, there is part to make valency device and just simply price is write service plate by keyboard, linking of dish information and person sponging on an aristocrat's information cannot be realized equally, the dietary data of consumer cannot be utilized to carry out vegetable procurement planning and health guidance manages.
Summary of the invention
Object of the present invention is to overcome the deficiencies in the prior art exactly, provides and relates to a kind of intelligent dining assorted cold dishes product information reader-writer supporting liquid crystal display display, touch screen control, wireless renewal vegetable list function.
The object of the invention is to be achieved through the following technical solutions: a kind of service plate dish information read write line being applicable to intelligent dining drinking system of the present invention comprises power module, STM32 controller module, RFID read-write module, touch display screen module, wireless communication module composition.
Described power module mainly comprises the first power connector J1, first toggle switch S1, first LED 1, first inductance L 1, first voltage stabilizing diode D1, first power management chip U1, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, first ceramic condenser C1, second ceramic condenser C2, 3rd ceramic condenser C3, 4th ceramic condenser C4, 5th ceramic condenser C5, 6th ceramic condenser C6, first tantalum electric capacity C7, second tantalum electric capacity C8 and the 3rd tantalum electric capacity C9, the model of the first power management chip U1 is RT8272,
1 pin of the first power management chip U1 connects one end of the 5th ceramic condenser C5, 3 pin of the first power management chip U1 and the other end of the 5th ceramic condenser C5, the negative electrode of the first voltage stabilizing diode D1, one end of first inductance L 1 connects, the other end ground connection of the first voltage stabilizing diode D1, the positive pole of another termination second tantalum electric capacity C8 of the first inductance L 1, the positive pole of the 3rd tantalum electric capacity C9, the positive pole of the first LED 1, one end of first resistance R1 and one end of the first ceramic condenser C1 as 3.3V voltage output end, the negative electrode of the second tantalum electric capacity C8 and the plus earth of the 3rd tantalum electric capacity C9, the negative electrode of the first LED 1 connects one end of the 5th resistance R5, the other end ground connection of the 5th resistance R5, 5 pin of the first power management chip U1 connect the other end of the first resistance R1, one end of second resistance R2 and the other end of the first ceramic condenser C1, the other end ground connection of the second resistance R2, 2 pin of the first power management chip U1 and one end of the 6th ceramic condenser C6, the positive pole of the first tantalum electric capacity C7, one end of 4th resistance R4, 3 pin of the first toggle switch S1, first toggle switch S1 4 pin connect and as 5V voltage output end, the other end of the 6th ceramic condenser C6 and the plus earth of the first tantalum electric capacity C7, 7 pin of another termination first power management chip U1 of the 4th resistance R4, 1 pin of the first toggle switch S1, 2 pin, 5 pin, 6 pin connect 1 pin of the first power connector J1, 2 pin of the first power connector J1, 3 pin ground connection, 6 pin of the first power management chip U1 connect one end of the second ceramic condenser C2 and one end of the 3rd ceramic condenser C3, one end of another termination the 3rd resistance R3 of the 3rd ceramic condenser C3, the other end of the second ceramic condenser C2 and the other end ground connection of the 3rd resistance R3, 8 pin of the first power management chip U1 connect one end of the 4th ceramic condenser C4, the other end ground connection of the 4th ceramic condenser C4, the 4 pin ground connection of the first power management chip U1.
Described STM32 controller module comprises the first control chip U2, the first touch-switch K1, the first crystal oscillator Y1, the second crystal oscillator Y2, the 6th resistance R6, the 7th ceramic condenser C10, the 8th ceramic condenser C11, the 9th ceramic condenser C12, the tenth ceramic condenser C13, the 11 ceramic condenser C14; The signal of the first control chip U2 is STM32F103VET6;
14 pin of the first control chip U2 connect one end of the first touch-switch K1, one end of 6th resistance R6 and one end of the 11 ceramic condenser C14, the other end of the first touch-switch K1 and the other end ground connection of the 11 ceramic condenser C14, another termination 3.3V power supply VCC_3.3V of the 6th resistance R6, 12 pin of the first control chip U2 connect one end of the first crystal oscillator Y1 and one end of the 7th ceramic condenser C10, 13 pin of the first control chip U2 connect the other end of the first crystal oscillator Y1 and one end of the 8th ceramic condenser C11, the other end of the 7th ceramic condenser C10 and the other end ground connection of the 8th ceramic condenser C11, 8 pin of the first control chip U2 connect one end of the second crystal oscillator Y2 and one end of the 9th ceramic condenser C12, 9 pin of the first control chip U2 connect the other end of the second crystal oscillator Y2 and one end of the tenth ceramic condenser C13, the other end of the 9th ceramic condenser C12 and the other end ground connection of the tenth ceramic condenser C13, 6 pin of the first control chip U2,11 pin, 21 pin, 22 pin, 28 pin, 50 pin, 75 pin, 100 pin meet 3.3V power supply VCC_3.3V, 10 pin of the first control chip U2,19 pin, 20 pin, 27 pin, 37 pin, 49 pin, 74 pin, 94 pin, 99 pin ground connection, the pin that first control chip U2 does not mention within a context is all built on stilts,
1 pin of described RFID read-write module, 2 pin, 3 pin, 4 pin, 7 pin are connected with 51 pin of the first control chip U2,52 pin, 53 pin, 54 pin, 18 pin respectively, and 5 pin are unsettled, 6 pin ground connection, and 8 pin meet 3.3V power supply VCC_3.3V.The model of RFID read-write module is MF-RC522;
4 pin of described touch display screen module connect 69 pin of the first control chip U2,5 pin of touch display screen module, 6 pin connect 68 pin of the first control chip U2,1 pin of touch display screen module, 2 pin meet 5V power supply VCC_5V, and 7 pin of touch display screen module, 8 pin ground connection, 3 pin are unsettled.Touch display screen module model is DC80480B070_03TW;
3 pin of described wireless communication module, 4 pin, 5 pin, 6 pin, 7 pin, 8 pin, 9 pin, 18 pin, 19 pin respectively with 63 pin of the first control chip U2, 47 pin, 48 pin, 70 pin, 64 pin, 65 pin, 66 pin, 95 pin, 96 pin connect, 10 pin of wireless communication module, the positive pole of 11 pin and the 4th tantalum electric capacity C17, the positive pole of the 5th tantalum electric capacity C18 connects and meets 5V power supply VCC_5V, the other end of the 4th tantalum electric capacity C17, the other end ground connection of the 5th tantalum electric capacity C18, 16 pin of wireless communication module, 17 pin meet 5V power supply VCC_5V, 2 pin of wireless communication module and one end of the 12 ceramic condenser C15, one end of 13 ceramic condenser C16 connects and meets 3V power supply VCC_3V, the other end of the 12 ceramic condenser C15 and the other end ground connection of the 13 ceramic condenser C16, 1 pin of wireless communication module, 12 pin, 13 pin, 14 pin, 15 pin ground connection.The model of described wireless communication module is UTC-4432-T2000.
The present invention adopts technique scheme to produce following beneficial effect:
The present invention and total man's work are adjusted, or different colours tableware writes different prices, or make valency device by the RFID of key-press input price and compare, this service plate dish information read write line tool has the following advantages: vegetable picture and pricing information are in liquid crystal screen display, can upgrade vegetable inventory inside the RFID label tag of the menu name held inside service plate and pricing information write service plate, this read write line from database by communication by touch screen operation.So both solve total man's work and adjust the problem that this clearing slowly, easily make mistakes, the automatically collecting of the daily food and drink data of consumer can be completed again, by excavating the degree of depth of food and drink data, for food and beverage enterprise daily operation, perspective strategy is drafted provides reliable Data support, for consumer provides healthy diet program healthy.
Accompanying drawing explanation
Fig. 1 is the entire block diagram of service plate dish information read write line;
Fig. 2 is power module circuitry schematic diagram of the present invention;
Fig. 3 is STM32 controller module circuit theory diagrams;
Fig. 4 is RFID read-write module circuit diagram;
Fig. 5 is the interface circuit figure of touch display screen and STM32 controller module;
Fig. 6 is the interface circuit figure of wireless communication module and STM32 controller module.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are further elaborated.Here the overall architecture of the control system of lower service plate dish information read write line is first introduced.
As shown in Figure 1, the object of the invention is to be achieved through the following technical solutions: the present invention includes power module, STM32 controller module, RFID read-write module, touch display screen module, wireless communication module composition.
As shown in Figure 2, described power module mainly comprises the first power connector J1, the first toggle switch S1, the first LED 1, first inductance L 1, first voltage stabilizing diode D1, the first power management chip U1, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the first ceramic condenser C1, the second ceramic condenser C2, the 3rd ceramic condenser C3, the 4th ceramic condenser C4, the 5th ceramic condenser C5, the 6th ceramic condenser C6, the first tantalum electric capacity C7, the second tantalum electric capacity C8 and the 3rd tantalum electric capacity C9; The model of the first power management chip U1 is RT8272;
1 pin of the first power management chip U1 connects one end of the 5th ceramic condenser C5, 3 pin of the first power management chip U1 and the other end of the 5th ceramic condenser C5, the negative electrode of the first voltage stabilizing diode D1, one end of first inductance L 1 connects, the other end ground connection of the first voltage stabilizing diode D1, the positive pole of another termination second tantalum electric capacity C8 of the first inductance L 1, the positive pole of the 3rd tantalum electric capacity C9, the positive pole of the first LED 1, one end of first resistance R1 and one end of the first ceramic condenser C1 as 3.3V voltage output end, the negative electrode of the second tantalum electric capacity C8 and the plus earth of the 3rd tantalum electric capacity C9, the negative electrode of the first LED 1 connects one end of the 5th resistance R5, the other end ground connection of the 5th resistance R5, 5 pin of the first power management chip U1 connect the other end of the first resistance R1, one end of second resistance R2 and the other end of the first ceramic condenser C1, the other end ground connection of the second resistance R2, 2 pin of the first power management chip U1 and one end of the 6th ceramic condenser C6, the positive pole of the first tantalum electric capacity C7, one end of 4th resistance R4, 3 pin of the first toggle switch S1, first toggle switch S1 4 pin connect and as 5V voltage output end, the other end of the 6th ceramic condenser C6 and the plus earth of the first tantalum electric capacity C7, 7 pin of another termination first power management chip U1 of the 4th resistance R4, 1 pin of the first toggle switch S1, 2 pin, 5 pin, 6 pin connect 1 pin of the first power connector J1, 2 pin of the first power connector J1, 3 pin ground connection, 6 pin of the first power management chip U1 connect one end of the second ceramic condenser C2 and one end of the 3rd ceramic condenser C3, one end of another termination the 3rd resistance R3 of the 3rd ceramic condenser C3, the other end of the second ceramic condenser C2 and the other end ground connection of the 3rd resistance R3, 8 pin of the first power management chip U1 connect one end of the 4th ceramic condenser C4, the other end ground connection of the 4th ceramic condenser C4, the 4 pin ground connection of the first power management chip U1.
As shown in Figure 3, described STM32 controller module comprises the first control chip U2, the first touch-switch K1, the first crystal oscillator Y1, the second crystal oscillator Y2, the 6th resistance R6, the 7th ceramic condenser C10, the 8th ceramic condenser C11, the 9th ceramic condenser C12, the tenth ceramic condenser C13, the 11 ceramic condenser C14; The signal of the first control chip U2 is STM32F103VET6;
14 pin of the first control chip U2 connect one end of the first touch-switch K1, one end of 6th resistance R6 and one end of the 11 ceramic condenser C14, the other end of the first touch-switch K1 and the other end ground connection of the 11 ceramic condenser C14, another termination 3.3V power supply VCC_3.3V of the 6th resistance R6, 12 pin of the first control chip U2 connect one end of the first crystal oscillator Y1 and one end of the 7th ceramic condenser C10, 13 pin of the first control chip U2 connect the other end of the first crystal oscillator Y1 and one end of the 8th ceramic condenser C11, the other end of the 7th ceramic condenser C10 and the other end ground connection of the 8th ceramic condenser C11, 8 pin of the first control chip U2 connect one end of the second crystal oscillator Y2 and one end of the 9th ceramic condenser C12, 9 pin of the first control chip U2 connect the other end of the second crystal oscillator Y2 and one end of the tenth ceramic condenser C13, the other end of the 9th ceramic condenser C12 and the other end ground connection of the tenth ceramic condenser C13, 6 pin of the first control chip U2,11 pin, 21 pin, 22 pin, 28 pin, 50 pin, 75 pin, 100 pin meet 3.3V power supply VCC_3.3V, 10 pin of the first control chip U2,19 pin, 20 pin, 27 pin, 37 pin, 49 pin, 74 pin, 94 pin, 99 pin ground connection, the pin that first control chip U2 does not mention within a context is all built on stilts,
As shown in Figure 4,1 pin of described RFID read-write module, 2 pin, 3 pin, 4 pin, 7 pin are connected with 51 pin of the first control chip U2,52 pin, 53 pin, 54 pin, 18 pin respectively, and 5 pin are unsettled, 6 pin ground connection, and 8 pin meet 3.3V power supply VCC_3.3V.The model of RFID read-write module is MF-RC522;
As shown in Figure 5,4 pin of described touch display screen module connect 69 pin of the first control chip U2,5 pin of touch display screen module, 6 pin connect 68 pin of the first control chip U2,1 pin of touch display screen module, 2 pin meet 5V power supply VCC_5V, 7 pin of touch display screen module, 8 pin ground connection, 3 pin are unsettled.Touch display screen module model is DC80480B070_03TW;
As shown in Figure 6, 3 pin of described wireless communication module, 4 pin, 5 pin, 6 pin, 7 pin, 8 pin, 9 pin, 18 pin, 19 pin respectively with 63 pin of the first control chip U2, 47 pin, 48 pin, 70 pin, 64 pin, 65 pin, 66 pin, 95 pin, 96 pin connect, 10 pin of wireless communication module, the positive pole of 11 pin and the 4th tantalum electric capacity C17, the positive pole of the 5th tantalum electric capacity C18 connects and meets 5V power supply VCC_5V, the other end of the 4th tantalum electric capacity C17, the other end ground connection of the 5th tantalum electric capacity C18, 16 pin of wireless communication module, 17 pin meet 5V power supply VCC_5V, 2 pin of wireless communication module and one end of the 12 ceramic condenser C15, one end of 13 ceramic condenser C16 connects and meets 3V power supply VCC_3V, the other end of the 12 ceramic condenser C15 and the other end ground connection of the 13 ceramic condenser C16, 1 pin of wireless communication module, 12 pin, 13 pin, 14 pin, 15 pin ground connection.The model of described wireless communication module is UTC-4432-T2000.
Wireless communication module of the present invention is the key position of the dish information transmission of service plate dish information read write line, and wireless communication module is used for receiving vegetable inventory information.The UTC-4432 module that wireless communication module in the present invention adopts Hangzhou micro-stepping Science and Technology Ltd. to produce, this module is a wireless transparent transport module possessing transceiver, overlength distance, super low-power consumption.Work in the free ISM band of 433MHz, support wireless awakening, multiple channel selection is provided, be applicable to the transmission of remote-wireless data.
Below in conjunction with foregoing, describe the workflow of service plate dish information read write line with reference to the accompanying drawings:
In catering trade, as canteen, large-scale catering chain etc., generally everyone can get a pallet before dish of getting food, and in the process of getting food dish, be all placed on pallet, and then unification is settled accounts by containing the tableware one by one of having got well food.The tableware accomplishing fluently food is placed into the RFID signal read/write district of service plate dish information read write line by the waiter of dish of getting food, find the picture buttons of corresponding vegetable to click from liquid crystal display, the vegetable code established in advance and price are written in the RFID of tableware by service plate dish information read write line.In order to ensure accuracy, service plate dish information read write line is after writing information, automatic reading is written to the information in the RFID on service plate, the information of the information read and write is compared, if identical, then show write successful information on a display screen, otherwise display writes unsuccessfully.If vegetable inventory has renewal, the waiter of dish of getting food realizes the renewal of the vegetable inventory of service plate dish information read write line by clicking updating menu button.
Claims (1)
1. be applicable to a service plate dish information read write line for intelligent dining drinking system, comprise power module, STM32 controller module, RFID read-write module, touch display screen module, wireless communication module composition;
It is characterized in that: described power module mainly comprises the first power connector J1, first toggle switch S1, first LED 1, first inductance L 1, first voltage stabilizing diode D1, first power management chip U1, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, first ceramic condenser C1, second ceramic condenser C2, 3rd ceramic condenser C3, 4th ceramic condenser C4, 5th ceramic condenser C5, 6th ceramic condenser C6, first tantalum electric capacity C7, second tantalum electric capacity C8 and the 3rd tantalum electric capacity C9, the model of the first power management chip U1 is RT8272,
1 pin of the first power management chip U1 connects one end of the 5th ceramic condenser C5, 3 pin of the first power management chip U1 and the other end of the 5th ceramic condenser C5, the negative electrode of the first voltage stabilizing diode D1, one end of first inductance L 1 connects, the other end ground connection of the first voltage stabilizing diode D1, the positive pole of another termination second tantalum electric capacity C8 of the first inductance L 1, the positive pole of the 3rd tantalum electric capacity C9, the positive pole of the first LED 1, one end of first resistance R1 and one end of the first ceramic condenser C1 as 3.3V voltage output end, the negative electrode of the second tantalum electric capacity C8 and the plus earth of the 3rd tantalum electric capacity C9, the negative electrode of the first LED 1 connects one end of the 5th resistance R5, the other end ground connection of the 5th resistance R5, 5 pin of the first power management chip U1 connect the other end of the first resistance R1, one end of second resistance R2 and the other end of the first ceramic condenser C1, the other end ground connection of the second resistance R2, 2 pin of the first power management chip U1 and one end of the 6th ceramic condenser C6, the positive pole of the first tantalum electric capacity C7, one end of 4th resistance R4, 3 pin of the first toggle switch S1, first toggle switch S1 4 pin connect and as 5V voltage output end, the other end of the 6th ceramic condenser C6 and the plus earth of the first tantalum electric capacity C7, 7 pin of another termination first power management chip U1 of the 4th resistance R4, 1 pin of the first toggle switch S1, 2 pin, 5 pin, 6 pin connect 1 pin of the first power connector J1, 2 pin of the first power connector J1, 3 pin ground connection, 6 pin of the first power management chip U1 connect one end of the second ceramic condenser C2 and one end of the 3rd ceramic condenser C3, one end of another termination the 3rd resistance R3 of the 3rd ceramic condenser C3, the other end of the second ceramic condenser C2 and the other end ground connection of the 3rd resistance R3, 8 pin of the first power management chip U1 connect one end of the 4th ceramic condenser C4, the other end ground connection of the 4th ceramic condenser C4, the 4 pin ground connection of the first power management chip U1,
Described STM32 controller module comprises the first control chip U2, the first touch-switch K1, the first crystal oscillator Y1, the second crystal oscillator Y2, the 6th resistance R6, the 7th ceramic condenser C10, the 8th ceramic condenser C11, the 9th ceramic condenser C12, the tenth ceramic condenser C13, the 11 ceramic condenser C14; The signal of the first control chip U2 is STM32F103VET6;
14 pin of the first control chip U2 connect one end of the first touch-switch K1, one end of 6th resistance R6 and one end of the 11 ceramic condenser C14, the other end of the first touch-switch K1 and the other end ground connection of the 11 ceramic condenser C14, another termination 3.3V power supply VCC_3.3V of the 6th resistance R6, 12 pin of the first control chip U2 connect one end of the first crystal oscillator Y1 and one end of the 7th ceramic condenser C10, 13 pin of the first control chip U2 connect the other end of the first crystal oscillator Y1 and one end of the 8th ceramic condenser C11, the other end of the 7th ceramic condenser C10 and the other end ground connection of the 8th ceramic condenser C11, 8 pin of the first control chip U2 connect one end of the second crystal oscillator Y2 and one end of the 9th ceramic condenser C12, 9 pin of the first control chip U2 connect the other end of the second crystal oscillator Y2 and one end of the tenth ceramic condenser C13, the other end of the 9th ceramic condenser C12 and the other end ground connection of the tenth ceramic condenser C13, 6 pin of the first control chip U2,11 pin, 21 pin, 22 pin, 28 pin, 50 pin, 75 pin, 100 pin meet 3.3V power supply VCC_3.3V, 10 pin of the first control chip U2,19 pin, 20 pin, 27 pin, 37 pin, 49 pin, 74 pin, 94 pin, 99 pin ground connection, the pin that first control chip U2 does not mention within a context is all built on stilts,
1 pin of described RFID read-write module, 2 pin, 3 pin, 4 pin, 7 pin are connected with 51 pin of the first control chip U2,52 pin, 53 pin, 54 pin, 18 pin respectively, and 5 pin are unsettled, 6 pin ground connection, and 8 pin meet 3.3V power supply VCC_3.3V; The model of RFID read-write module is MF-RC522;
4 pin of described touch display screen module connect 69 pin of the first control chip U2,5 pin of touch display screen module, 6 pin connect 68 pin of the first control chip U2,1 pin of touch display screen module, 2 pin meet 5V power supply VCC_5V, 7 pin of touch display screen module, 8 pin ground connection, and 3 pin are unsettled; Touch display screen module model is DC80480B070_03TW;
3 pin of described wireless communication module, 4 pin, 5 pin, 6 pin, 7 pin, 8 pin, 9 pin, 18 pin, 19 pin respectively with 63 pin of the first control chip U2, 47 pin, 48 pin, 70 pin, 64 pin, 65 pin, 66 pin, 95 pin, 96 pin connect, 10 pin of wireless communication module, the positive pole of 11 pin and the 4th tantalum electric capacity C17, the positive pole of the 5th tantalum electric capacity C18 connects and meets 5V power supply VCC_5V, the other end of the 4th tantalum electric capacity C17, the other end ground connection of the 5th tantalum electric capacity C18, 16 pin of wireless communication module, 17 pin meet 5V power supply VCC_5V, 2 pin of wireless communication module and one end of the 12 ceramic condenser C15, one end of 13 ceramic condenser C16 connects and meets 3V power supply VCC_3V, the other end of the 12 ceramic condenser C15 and the other end ground connection of the 13 ceramic condenser C16, 1 pin of wireless communication module, 12 pin, 13 pin, 14 pin, 15 pin ground connection, the model of described wireless communication module is UTC-4432-T2000.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510023135.4A CN104537404A (en) | 2015-01-16 | 2015-01-16 | Service plate food variety information reader suitable for intelligent restaurant system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510023135.4A CN104537404A (en) | 2015-01-16 | 2015-01-16 | Service plate food variety information reader suitable for intelligent restaurant system |
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Application publication date: 20150422 |