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...
Digital devices are developing in the direction of high speed, low power consumption, small size and high anti-interference. This development trend has put forward many new requirements for the design...
The list of moderators who received rewards in January 2019 is as follows: [table=98%] [tr][td=72][align=center]Username[/align][/td][td=72][align=center]Posts[/align][/td][td=72][align=center]Replies...
If a positron and an electron collide, they will "annihilate" and release a lot of energy. Why can electrons and protons, one with negative charge and the other with positive charge, form matter? Of c...