Is there a schematic diagram of a switching power supply with 220V input and 5V output? Is there a schematic diagram of a switching power supply with 220V input and 5V output? Is there a schematic dia
[i=s] This post was last edited by paulhyde on 2014-9-15 09:22 [/i] Zhou Ligong NXP_LPC21xx22xx_series ARM_chip boot program decomposition, you should study it carefully... :loveliness:
Gesture remote control
Author: brother0952Project BackgroundToday's smart homes are developing very rapidly, and the ways to control home appliances are diverse, from the initial mechanical buttons, t
[i=s]This post was last edited by ohahaha on 2019-6-3 11:25[/i] [font=微软雅黑][size=4] [/size][/font][align=center][b][font=微软雅黑][size=4]First, we ask the question: where should the coil be placed? [/siz