Which expert can help me solve the problem of volume control of digital-analog chip WM8766G? There is signal input on pin 7 (there is no signal output on pins 24, 25, and 26 of center, left, right, an
This is a circuit board on one of my machines that has been flooded. The pins of the integrated circuit have been corroded, but I don't know what this thing is. Please help me! Special thanks!
There is a popular saying on the Internet: This is the worst era, but also the best era. This is also true for my country's technology industry. The US restriction order entity list has caused us grea
"Recently, a senior of mine bought an f103zet6 for 50 yuan. It's fake. The refresh speed feels about the same as 51, and the merchant won't refund it."
"It will definitely work if I replace the new ch