A small Arduino library for GSM modules, that just works
Ai-Thinker A9/A9G GPRS (with GPS(A9G)) module C development SDK
Example of using ESP32 with GSM modem and lwip+pppos
User Plane Gateway (UPG) based on VPP
STM32 HAL library for SIM800 release MQTT client over AT command
Arduino driver for GSM/GPRS module SIMCom SIM800L to make HTTP/S connect...
Datalogger for MicroPython and CPython.
Arduino-compatible MCU firmware code for sensor-, telemetry-, and gatewa...
GPS IoT tracker board for scanning gps and environment information and s...
lwIP PPP porting for GSM modem (like sim800)