With the popularity of smart homes, sweeping robots have become the new favorite of young urban white-collar workers and have been promoted to one of the three essential household appliances. Sweeping
[i=s]This post was last edited by chenzhouyu on 2016-9-30 17:25[/i] Hello everyone: I roughly drew an ultrasonic boost circuit, the input control signal is a square wave, the phase difference is 180°,
In modern life, mobile phones have gradually become an indispensable part of people's lives. However, this thing may be out of power at any time! ! How can it be out of power at a critical moment! Now
This paper introduces the hardware structure and design principle of a unit attendance system based on a new type of automatic identification chip iButtonTM, and gives the working process of the syste
[i=s]This post was last edited by tclone on 2017-6-14 15:04[/i] I got a TPS54260 test version from TI. I found a problem and need some advice: When I convert 12V to 5V and connect the output to a resi