De Werkbank

Connecting LEDs without burning them out

ArduinoSinuss
Connecting an LED looks simple: two wires, apply voltage, light appears. Until it does not work, or it burns out immediately. An LED does not limit...

Choosing resistors: value, power rating and tolerance

basiscomponentenSinuss
A resistor is the cheapest component on your workbench. Yet a surprising number of things can go wrong when you skip the checks. The calculation is...