• A9G+CP2102 GSM/GPRS+GPS/BDS Development Board SMS/Voice/Wireless Data Transmission + Positioning
  • A9G+CP2102 GSM/GPRS+GPS/BDS Development Board SMS/Voice/Wireless Data Transmission + Positioning
  • A9G+CP2102 GSM/GPRS+GPS/BDS Development Board SMS/Voice/Wireless Data Transmission + Positioning
  • A9G+CP2102 GSM/GPRS+GPS/BDS Development Board SMS/Voice/Wireless Data Transmission + Positioning
  • A9G+CP2102 GSM/GPRS+GPS/BDS Development Board SMS/Voice/Wireless Data Transmission + Positioning

A9G+CP2102 GSM/GPRS+GPS/BDS Development Board SMS/Voice/Wireless Data Transmission + Positioning

Availability: In stock, usually dispatched in 1 business day

  • Price:$17.60
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    Price /Unit $17.25 $16.90 $16.37 $15.66 Contact US
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A9G+CP2102 GSM/GPRS+GPS/BDS Development Board SMS/Voice/Wireless Data Transmission + Positioning

Features:

- A9G development board has basic telephone/message, GPRS network communication, GPS/BDS dual-mode positioning functions.
- The A9G development board carries lithium battery charging management, microphone, speaker interface, USB communication interface, multiple user buttons/led, TF card slot, SPI interface, I2C2 interface, and ADC interface.
- A9G development board slot machine expansion board, which can be connected to traditional slot machines.
- Remote monitoring intercom using GSM and microphone/speaker
- Use GPRS/GSM+GPS, 1.54-inch capacitive touch screen smart watch
- Use GPRS/GSM+GPS, heart rate blood oxygen sensor, 1.54-inch capacitive touch screen elderly monitoring watch
- Remote surveillance camera using GPRS+TF+ camera expansion board
- WeChat payment slot machine solution using slot machine expansion board

Attention:
Based on the above functions, A9G can be used for a variety of peripheral prototype development and verification: the development board is only the basic core board, and the above functions need to be developed by yourselves. Please make sure that you don 't mind before purchasing. Thank you!



Basic Debugging:

Wiring:
The development board uses AT firmware. When debugging, use 4 wires to connect to usb-ttl, and connect to the computer for debugging: VUSB→5V; GND→GND; AT_TX→RX; AT_RX→TX;

Or use USB power supply, and then connect three wires GND→GND; AT_TX→RX; AT_RX→TX;

Or use lithium battery for power supply VBAT→(3.3v-4.2)V; GND→GND; AT_TX→RX; AT_RX→TX; (To use VBAT power supply, you need to press the power_key button for about 2s)

Power-On:

1. A9G development board can use lithium battery or USB power supply.
2. The module will run automatically after power-on for 1~2S. At this time, the serial port will automatically output information. The entire process from power-on to normal operation of the development board does not require any operation.
3. To reset, please press the Rst_Key button.
4. The module enters AT command mode by default.

Power-on Print Output Information:



1. Module power-on printing information:
Under normal circumstances, the sign of the module power-on initialization is +CIEV: READY. The actual module requests data from the base station when it is initialized, and will issue the date, zero time zone time and time zone information. Due to network reasons, it will be in READY Output afterwards. Of course, after READY appears, it means that the module is powered on and initialized.

2. A9G's baud rate adaptive:
A9G has a baud rate adaptive function, the default baud rate is 115200. During the initial power-on process of the module, the baud rate of the module can be modified. For example, the baud rate of my MCU is 9600, then when the module is just powered on, send a command AT (not only limited to this command, but only used to adjust the baud rate), the module will automatically adjust the wave Special rate to 9600.

Package Included:
- 1 x Set of A9G Development Board

Note: Battery is not included.

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