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 Module Document: Product_specification: Click to open at_instruction_set: Click to open hardware_info: Click to open serial_tool: Click to open A9 development board schematic: Click to open A9 development board principle library: Click to open CSDK_Github open source information: https://github.com/Ai-Thinker-Open/GPRS_C_SDK