booster

Hi, We have designed a 50kW 3 level boost converter for our fuel cell EV application with liquid cooling. It is an IP65 module of dimensions 400mm x 300mm x 85mm. Its internal ambient temperature is rising very high. There is no specific component that emitting abnormal heat it seams, but we...

As the title says I want to buy this Wifi Signal Repeater Router Range Extender and price seems good but I worry about quality. Its about this one - https://aliexpress.com/e/_DBrAU1x Any help is wellcome, Thanks!

Hello, I need help as on the attached pdf drawing or eagle schematic, i am getting 4.5 volts at ESP and RFID reader. How it works: At the input it is 12 VDC, going through 5v dc regulator. The 5 vdc goes to Lipo charger and also to T1. T1 it is a switch between 12vdc in and battery. Then, power...