[size=2]Design tasks for single-chip microcomputer development system board: 1. Support online download 2. With single-chip microcomputer replacement socket 3. Power input has 5V voltage regulation fu
[size=3]Today is the legendary Valentine's Day. Do you dare to post a photo{:1_102:} and tell us how you spent Valentine's Day over the years? Are you still single now? [/size]
1052 is an upgraded version of 1051 and is basically compatible with AP4313; I adjusted it to 4*1W, and the constant current effect is very good; It’s just that the IC voltage of the chip is limited t
Ma Chaoqun, former deputy researcher of Qinhuangdao City Management Bureau and former general manager of Beidaihe Water Supply Corporation, was investigated for suspected bribery, embezzlement and mis
[b]Contents:[/b] Volume 1: Part 1: Vacuum Devices Chapter 1: Receiving Amplifiers Chapter 2: High Power Electron Tubes Chapter 3: Cathode Ray Tubes Chapter 4: Ion Tubes Part 2: Semiconductor Devices C