Testing electronic components

Test electronic component

Testing electronic components - Test electronic component

How to Test LEDs

ledYou can test an LED using the same procedure given for testing a diode or you can do it in an even easier fashion. Take a simple 3 V lithium battery and place the long – anode – lead of the LED on the positive side and the shorter lead – cathode – on the negative side. If it lights up, the LED is functional.