Time bomb count down v2

660

07:27:11

19s 555 time bomb count down clock circuit

published 11 years ago

Jackyyong

11 years ago

Also can use for rocket auto launching count down system

soofy

11 years ago

irfankhan

11 years ago

reinhold

11 years ago

Well done

gforcegamin

5 years ago

Very nice, just if it was able to delete itself or something, that would be really cool, anyways, welldone.

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