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
The system control algorithm includes brushed DC motors and three-phase squirrel cage motors. During the debugging process, it was found that when the brushed DC motor was started, overcurrent sometim
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