Tweakers' Asylum

Reduce the supply voltage to the LED..

69.156.196.162

In Reply to: RE: bright LED posted by astralpen on May 12, 2008 at 10:59:22

Hi.

by replacing the series resistor with a larger one.

The Vf (forward or firing voltage) differs with LED colours, e.g. standard red: 1.7V, yellow: 2.1V & green 2.2V. If Vf is too high, the LED will look over bright before it burns out.

c-J

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