Wednesday, February 16, 2011

WHITE LED FLASHER

 

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This  circuit will flash a super-bright white LED from a 1.5v cell. The transformer is wound on a small ferrite slug 2.6mm dia and 6mm long as shown in a project above. The circuit uses the zener characteristic of the reverse-base-emitter junction of a BC 547 to pass current and flash the LED.

1 comment:

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