Negative power supply designThe project (home portable physiotherapy product) uses ± power supply 12V, -5V. To generate these voltages, I thought of several solutions.1. Use two lithium batteries with...
Hu Ge's new work http://www.6rooms.com/nlsdwatch.php?v=2755 is really funny. Hu Ge almost went bankrupt to make this film. Someone on the Internet awarded him the Golden Bun Award, with pictures and t...
[i=s]This post was last edited by guiguo on 2022-7-16 12:54[/i]First of all, I would like to thank Dejie for giving me this opportunity to further develop my hobbies. I am very happy to be shortlisted...
Although the reliability of power modules is relatively high, they may also fail. In DC-DC modules, the following types of failures may occur: 1. The output voltage of the module decreases during use;...