[i=s]This post was last edited by wangerxian on 2022-6-1 13:31[/i]I recently used an MT3608 boost switch chip, but found that it could not be completely powered off. After the EN pin was pulled low, V
The whole circuit board is powered by a switching power supply. There are various circuit boards with 2.54 pitch pins on the circuit board. So what is considered series/parallel single-point grounding
Nowadays, everyone's life is inseparable from mobile phones. For some people, tablets or computers are also essential tools for their lives and work. People have no energy if they don't eat, and elect