AVR单片机普通I/O口模拟串口通讯程序(MODBUS协议) ICCAVR 开发环境-AVR Microprocessor I/O port simulation program serial communication (MODBUS protocol) ICCAVR Development Environment

send data through GPRS modem over GPRS using AT-Commands

GSM/GPRS TTL -Modem from rhydoLABZ is built with SIMCOM Make SIM900 Quad-band GSM/GPRS engine, works on frequencies 850 MHz, 900 MHz, 1800 MHz and 1900 MHz. It is very compact in size and easy to use as plug in GSM Modem. The Modem is designed wi