[i=s] This post was last edited by hujj on 2018-7-17 13:44 [/i] [align=left][color=#000000]I bought a light column type electronic water level meter from Taobao. The device consists of two major parts...
[i=s]This post was last edited by Li Baiyi on 2019-5-18 18:55[/i] [font=宋体][size=4][color=#333333] The brightness dimming of LED[/color][color=#333333] is achieved by changing the conduction time of t...
[i=s]This post was last edited by littleshrimp on 2018-6-26 21:29[/i] Drivers for MEMS[url=https://www.st.com/zh/embedded-software/drivers-for-mems.html?querycriteria=productId=SC1885]https://www.st.c...
I have a question. The circuit board has an external 5V input. The power line is too long, 3 meters. The voltage is too high when it is powered on. Should I use a TVS tube? Or add a filter capacitor? ...
Ask a simple but difficult to answer circuit question: What is the nature of the ground wire GND in the circuit?During the PCB Layout process, engineers will face different GND treatments.Why is this?...