Original AI-thinker A9 GPRS + GSM SMS Pudding Development Board Voice Wireless Data Transmission Module

Development board introduction 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 Package Included 1 x A9 GPRS GSM Development ModuleDocument Product specification Click to openat instruction set Click to openhardware info Click to openserial tool Click to openA9 development board schematic Click to openA9 development board principle library Click to openCSDK Github open source information https github com Ai Thinker Open GPRS C SDK