Basic knowledge of GPRS [Repost]What is GPRS?GPRS is the English abbreviation of General Packet Radio Service, which is a new packet data bearer service developed on the existing GSM system. The most ...
Now, the AC is input to the AD port of the PIC16F877A microcontroller through the op amp. The program code is in assembly, so I don't quite understand it. It seems that the program is written like thi...