The A9 development board is a multi-function development board based on the Axin A9G GPRS/GSM module, which can be used to verify the basic communication functions and peripheral functions of the A9 module.
The A9 development board has basic telephone/sms, GPRS network communication.
The A9 development board features lithium battery charge management, microphone, speaker interface, USB communication interface, multiple user buttons/led, TF card slot, acceleration sensor, SPI interface, I2C2 interface, and ADC interface.
Pudding series development board camera expansion board, can be connected to 30W/200W camera.
A9 development board slot machine expansion board, can be connected to a traditional coin machine.