[i=s]This post was last edited by wangerxian on 2022-6-6 14:08[/i]A few days ago, I saw a review posted on the forum, which was a Qinheng CH224EVT evaluation board [ https://en.eeworld.com/bbs/elecpla
I am currently drawing a four-layer board, and there are three groups of power supplies to be routed, namely +15v, -15v, and 5v. Should they be placed on the same layer or on different layers? They ne
From the comparison and analysis of the basic parameters of the following chips, AX5051 and SI4432 (see the picture), it is actually necessary to adjust the module RF parameters to be similar to the c
Long-distance Bluetooth communication design selection, requires open field communication distance> 350m, low power consumption, 2*2032 batteries can work for 5 years, mainly for key applications; I e