I want to write a CE program with two buttons, dial and hang up, to operate the gprs connection, and cmwap also needs to use a proxy. How can I implement it in C#? It would be better if you can be mor
Original: TI Signal Chain Blog Collection - See how an old TI engineer tames precision amplifiers - I have read the first lecture several times, but I still don't understand it. Lecture 1: Using an op
I am using STC8a8k microcontroller, and want to realize EEPROM reading and writing by simulating I2C bus, but I always feel that nothing is written in, and the result of reading it through serial port
[size=4]During the electronic competition, I needed to use a self-made PCB to improve the anti-interference ability of the circuit. So I studied the PCB thermal transfer technology for a long time. Ac
After drawing a pad, there is a red layer on the top and a purple layer on the bottom. I would like to ask if the purple layer is the pad. When drawing the package, should the size on the right be fil