Hi all, I am looking to hook up a nodemcu to my led driver (meanwell hlg-480-B 3-in-1 dimming fonctions) I have a NPN bc547 transistor from what I've read online this should be enough even tho an ...
I need pcb design to have Hilink ac to dc converter with ESP32s and mini/micro relay (2ch/4ch/8ch) and it should work similar to sonoff 4CH R2 relay. Is it possible to have everything on single pcb so...
I use a nodeMCU on a solderless breadboard, connected to a simple 3 pin RF transmitter that has an antenna soldered on to it.I found this NodeMCU breadboard: https://www.pcbway.com/project/sharep...
