[i=s] This post was last edited by Happy Coke on 2017-7-21 13:30 [/i] Can anyone help me find out what is wrong with this ultrasonic distance measurement circuit? Why is the 9V always pulled down? The
[b][url=http://www.dzsc.com]Methods to break through the restrictions of gateways[/url][/b] At present, there are many methods that are familiar to everyone to break through the restrictions of gatewa
[p=30, null, left][color=rgb(34, 34, 34)][font="][size=3] Embedded products, like ordinary [color=#000000]electronic[/color] products, need to follow some basic processes in the development process, w
[i=s] This post was last edited by qwqwqw2088 on 2018-12-13 17:48 [/i] [size=4][b]Question[/b]: Recently, several new projects use BQ27542-g1, and we need to design our own mass production burning and