Showing posts with label 1.5v LED FLASHER. Show all posts
Showing posts with label 1.5v LED FLASHER. Show all posts

Thursday, April 1, 2010

1.5V LED FLASHER CIRCUIT

1.5V LED FLASHER CIRCUIT

1.5V LED FLASHER CIRCUIT
AVERAGE CURRENT = 120uA
PEAK LED CURRENT = 20mA
4mS PULSE  1 FLASHE/SEC
APPROX. 6 MONTHS OPPERATION FROM N-CELL
APPROX. 12 MONTHS OPPERATION FROM AA CELL

DAVID JOHNSON AND ASSOCIATES


MINIATURE LED FLASHING CIRCUIT

1.5 VOLT CIRCUIT
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Thursday, February 11, 2010

1.5v LED FLASHER

1.5v LED FLASHER

This will flash a LED, using a single 1.5v cell. It will even flash a white LED even though this type of LED needs about 3.2v to 3.6v for operation.


The circuit takes about 2mA but produces a very bright flash.


source : http://www.talkingelectronics.com.au/projects/200TrCcts/200TrCcts.html
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