CN207234763U - A kind of communicating circuit plate based on SIM800A or STM32 - Google Patents
A kind of communicating circuit plate based on SIM800A or STM32 Download PDFInfo
- Publication number
- CN207234763U CN207234763U CN201721163894.1U CN201721163894U CN207234763U CN 207234763 U CN207234763 U CN 207234763U CN 201721163894 U CN201721163894 U CN 201721163894U CN 207234763 U CN207234763 U CN 207234763U
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- sim800a
- stm32
- main control
- power supply
- voltage regulator
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Abstract
The utility model discloses a kind of communicating circuit plate based on SIM800A or STM32, including power supply, linear voltage regulator, main control module and communication chip, the power supply connects linear voltage regulator and communication chip respectively, the linear voltage regulator is also connected with main control module, the main control module is also connected with communication chip, the utility model can not only realize the reconnect after equipment broken string, and operation is extremely stablized, the data communication function that can be told, connection power supply can conveniently judge the operation conditions of modules afterwards.The utility model completes the design and realization of the hardware components and software section of wireless communication.When experiment is run multiple times, there is not the problems such as going offline and generating heat in this module, highly stable.This design cost is relatively low, and stable and reliable operation, application range is quite varied, using SIM800A, reduces the cost of module, makes it more commercially valuable.
Description
Technical field
A kind of circuit board is the utility model is related to, is specifically a kind of communicating circuit plate based on SIM800A or STM32.
Background technology
With the continuous development of network and modern communication technology, remote radio communication technology passes through years of researches and reality
Using currently known module is mainly made of 4 power unit, main control part, communications portion, TCP data segment parts.
Main control module using microcontroller as main control chip, to control being smoothed out for the transmitting-receiving of short message and data transfer.Communication unit
Divide main SIM card, to carry out the communication with server end.TCP data segment is mainly by UART come into row data communication.No
It is high there are power consumption to cross general wireless communication module, structure is single, complicated, and easily operation is not sufficiently stable.
The content of the invention
It is above-mentioned to solve the purpose of this utility model is to provide a kind of communicating circuit plate based on SIM800A or STM32
The problem of being proposed in background technology.
To achieve the above object, the utility model provides following technical solution：
A kind of communicating circuit plate based on SIM800A or STM32, including power supply, linear voltage regulator, main control module and communication
Chip, the power supply connect linear voltage regulator and communication chip respectively, and the linear voltage regulator is also connected with main control module, the master
Control module is also connected with communication chip.
Preferred solution as the utility model：The rated voltage of the power supply is 5V.
Preferred solution as the utility model：The model LM1117 of the linear voltage regulator, its output voltage are
3.3V。
Preferred solution as the utility model：The main control module is STM32 microcontrollers.
Preferred solution as the utility model：The communication module is SIM800A chips.
Compared with prior art, the beneficial effects of the utility model are：The utility model can not only realize that equipment breaks
Reconnect afterwards, and run and extremely stablize, the data communication function of high speed can be carried out, can be facilitated after connection power supply
Judge the operation conditions of modules.The present invention completes the design and realization of the hardware components and software section of wireless communication.
When experiment is run multiple times, there is not the problems such as going offline and generating heat in this module, highly stable.This design cost is relatively low,
Stable and reliable operation, application range is quite varied, using SIM800A, reduces the cost of module, it is more had business valency
Value.
Brief description of the drawings
Fig. 1 is the overall diagram of the utility model.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the utility model embodiment, a kind of communicating circuit plate based on SIM800A or STM32, including
Power supply, linear voltage regulator, main control module and communication chip, the power supply connects linear voltage regulator and communication chip respectively, described
Linear voltage regulator is also connected with main control module, and the main control module is also connected with communication chip.
The rated voltage of power supply is 5V.The model LM1117 of linear voltage regulator, its output voltage are 3.3V.Main control module
For STM32 microcontrollers.Communication module is SIM800A chips.
The operation principle of the utility model is：Power module, accesses 5V power supplys, and 3.3V electricity is converted into by linear voltage regulator
Press to provide power available for IC below, the influence for removing alternating voltage to circuit is reached by capacitor filtering.
Main control module, using STM32 microcontrollers as microcontroller, the level which is used for serial port exchanges, and realizes
Communication between controller and communication interface.
Communication module, using SIM800A, it belongs to double frequency GSM/GPRS modules, completely using SMT encapsulation form, performance
Stablize, it is cost-effective.The transmission and receiving of signal are realized in terms of realizing communication function by the way of GPRS.The core at the same time
Piece remains the renewal development function of bluetooth 3.0.
Claims (5)
1. a kind of communicating circuit plate based on SIM800A or STM32, including power supply, linear voltage regulator, main control module and communication core
Piece, it is characterised in that the power supply connects linear voltage regulator and communication chip respectively, and the linear voltage regulator is also connected with master control mould
Block, the main control module are also connected with communication chip.
2. the communicating circuit plate according to claim 1 based on SIM800A or STM32, it is characterised in that the power supply
Rated voltage is 5V.
3. the communicating circuit plate according to claim 1 based on SIM800A or STM32, it is characterised in that described linear steady
The model LM1117 of depressor, its output voltage are 3.3V.
4. the communicating circuit plate according to claim 1 based on SIM800A or STM32, it is characterised in that the master control mould
Block is STM32 microcontrollers.
5. the communicating circuit plate according to claim 1 based on SIM800A or STM32, it is characterised in that the communication mould
Block is SIM800A chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721163894.1U CN207234763U (en) | 2017-09-12 | 2017-09-12 | A kind of communicating circuit plate based on SIM800A or STM32 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721163894.1U CN207234763U (en) | 2017-09-12 | 2017-09-12 | A kind of communicating circuit plate based on SIM800A or STM32 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207234763U true CN207234763U (en) | 2018-04-13 |
Family
ID=61861379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721163894.1U Active CN207234763U (en) | 2017-09-12 | 2017-09-12 | A kind of communicating circuit plate based on SIM800A or STM32 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207234763U (en) |
-
2017
- 2017-09-12 CN CN201721163894.1U patent/CN207234763U/en active Active
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