What is a POE switch?A PoE powered switch is a switch that can provide network power supply to remote powered terminals through a network cable. It includes two functions: network switch and PoE power
Happy holidays to everyone! I wish you all good health and safety. :Sad: I have been so busy until now that I can just take a break. In my last post, I asked everyone how they spent the May Day holida
[i=s]This post was last edited by Rambo on 2020-3-12 14:02[/i]The mainboard used is DFRobot's latest FireBeetleESP32 mainboard, which is much smaller than the traditional Arduino Uno mainboard. In add
According to the tutorial, build the development environment and serial port routine test.1. Download the software1.1 Development board resources
Download address: RVB26011.2. USB to TTL driverUSB to
I want to use CD4051 to switch 10V voltage. My control is 5V, but CD4051 needs 7V for high level when VDD=10V, so I use CD4504B to convert the level. I don't know if there is a better chip than CD4051