A9G GSM/GPRS+GPS/BDS Development Board

Product Description

This is the A9G GSM/GPRS+GPS/BDS Development Board.

• A9G development board has basic telephone/sms, GPRS network communication, GPS/BDS dual-mode positioning function.
• A9G development board contains lithium battery charge management, microphone, speaker interface, USB communication interface, multiple user buttons / led, TF card slot, SPI interface, I2C2 interface, ADC interface.
• A9G development board slot machine expansion board, can be connected to traditional coin machine.
• Remote monitor intercom with GSM and microphone/speaker
• Smart watch with GPRS/GSM+GPS, 1.54 inch capacitive touch screen
• Use GPRS/GSM+GPS, heart rate blood oxygen sensor, 1.54 inch capacitive touch screen for the elderly monitoring watch
• Remote surveillance camera using GPRS+TF+ camera expansion board
• WeChat payment slot machine solution using the slot machine expansion board
• Custom device based on LUA programming using onboard functionality

Connection Wiring

• Development board useATFirmware, used during debugging4Root line connectionUsb-ttl, received debugging on the computer:VUSB→5V;GND→GND;AT_TX→RX;AT_RX→TX;
• Or useUSBPower supply, and then connect three more linesGND→GND;AT_TX→RX;AT_RX→TX;
  
• Or powered by a lithium batteryVBAT→(3.3v-4.2)V; GND→GND;AT_TX→RX;AT_RX→TX;(useVBATPower supply, long pressPower_keybutton2sabout)
  

Powering On

• A9GThe development board can use a lithium battery orUSBpowered by.
• Power-on1~2SThe rear module runs automatically, and the serial port will automatically output information at this time. The entire process of powering up to the development board does not require any operation.
• Need to reset, please pressRst_Keybutton.
• Module default entryATCommand mode.

How to Setup?

Product Datasheet

Product Package

1 X A9G GSM/GPRS+GPS/BDS Development Board