12v audible visual battery alarm.

131

01:53:16

Simply decrease battery voltage until it reaches 12v and it begins flashing

published 11 years ago

tonysilver32

11 years ago

I have no comment ,nice work

tonysilver32

11 years ago

I need your help .please help in designing a smoke detector .look for tsilver comment let me know if is correct .please

cjdelphi

11 years ago

Built this today, the 1k resistor inline with the pot was blowing /burning up the wiper track... used a 3k instead and left the 10k pot, seems to work fine so far :)

cjdelphi

11 years ago

Btw the 5v is a 78l05 or 7805.

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