The physical design of the PCB board is the last step in the design of switching power supplies. If the design method is not appropriate, the PCB may radiate too much electromagnetic interference, cau...
Application and development of filters in anti-EMI With the continuous progress of science and technology and the gradual improvement of human living standards, household appliances, mobile and person...
Dear forum friends, in the DCDC part of the above picture or the usual four-layer board, the middle layer of gray-yellow will be paved with copper to form a complete ground, but there is basically no ...
Question to everyone: Isn't esp32 a dual-mode wifi and BLE device?
Why doesn't micropython include functions for BLE? Isn't ESP32 just a slightly more powerful 8266?[b]Additional content (2020-3-22 17...
Hi, everyone~ Today I saw someone post a color PCB in the group chat, as shown below:Some netizens in the forum have shared the methods of importing pictures into PCB before, but those methods seem to...
[i=s] This post was last edited by Tianjie Shanmu on 2018-7-5 16:51 [/i] [align=left][font=宋体]The following is an introduction to the effects of waterproofing, liquid level fluctuations, and water dro...