Bicycle back Safety Light with IC 555 or 7555

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Flashing 13 LED unit, 3V supply
Also suitable for jogger/walkers

IC1 is a CMos version of the 555 IC wired as an astable multivibrator generating a 50% duty-cycle square wave at about 4Hz frequency.

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This entry was posted on Friday, May 30th, 2008 at 10:23 pm and is filed under Flasher, led display. You can follow any responses to this entry through the RSS 2.0 feed. Responses are currently closed, but you can trackback from your own site.

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