BK3432 SDK Development and Use Guide BK3432 SDK Development and Use GuideLow-power BLE4.2+3.0 dual-mode chip, suitable for electronic scales, POS machines, anti-lost devices, self-timers, remote contr
I'm helping someone fix a device. This switch doesn't work. When I went there, they had already broken it. I don't know what kind of switch this is. Where can I buy an identical one? Otherwise, I'll h
1. It is best not to run signal lines under the inductor, as they will be seriously interfered with, especially for the inductor used for DCDC. The DI/DT on the inductor is very large, which will gene