LM556 back up warning buzzer.

111

01:04:58

Haven't tested yet. Ties into reverse bulb and creates a beep or buzzing to warn distracted drivers like a Prius owner and prevent unnatural disasters.

published 10 years ago

2ctiby

10 years ago

Good idea.....but would there be any problem with a car's control box or alternator circuit if this frequeny were slipped in at a reversing lamp?

rich11292000

10 years ago

Not enough to worry by far

rich11292000

10 years ago

The truck's Electrical will effect the the frequency easily, air conditioner kicking on, head lights. But at .2 amps the wire and battery will filter out, i dont listen to the crappy stereo enough to care.

hurz

10 years ago

Prius driver won't hear 10kHz warning ;-)

rich11292000

10 years ago

5khz then

hurz

10 years ago

5k is also quite high. Download a generator app and try the best sound. I feel its much below 2k

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