GSM短信息7-bit解码程序，用于单片机控制手机模块进行GSM短信息7-bit解码，进行阅读。-GSM SMS 7-bit decoding procedure for single-chip control module GSM mobile phone SMS 7-bit decoder, for reading.

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