Introduction Dial your number using DTMF phone or Cell phone from anywhere in the world and remotely turn on/off any of the 8 relays. The MCU on the interface senses Telephone ring, Automatic telephone pick up, and line hang up, displays informati

STM32单片机与EEPROM(AT24C02)接口测试程序-STM32 MCU with EEPROM (AT24C02) interface program