modified 9 years ago

LED and Current limiting Resistor

01:04:57

We can see the use of current limiting resistor 
if we decrease the value of the resistor led gets burned 

published 9 years ago

Robert_Kidd

9 years ago

Reduce resistor to give 20mA, the correct 'normal' current for the LED.

Bushmills

9 years ago

Funny that LEDs burn, but resistors don't ... I just had one dissipate 10 Gigawatts, and it wouldn't even get warm

Swagie

9 years ago

Set the volt suply to 2v and you dont use resistor

Bushmills

9 years ago

In a real design, you still would. LEDs should be driven with constant current, not with constant voltage.

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