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Wednesday, March 07, 2012

Car Reverse Horn


Most of people have there own vehicles.so I suppose this circuit will be very useful circuit for them.This circuit is a car reverse horn.If you can build your own circuit for your car I think that is great.Here I have used common Music generator IC UM 66.The out put voltage of UM66 is not enough to make a good car reverse horn so by using two transistors (BC148 and BEL187)I have increased it.







Note

# This circuit operates with 12V power supply
# Build this circuit on a PCB to get good results
# use 8ohm speaker.
# Use only push to on switch.

3 comments:

Kiran said...

hi sir is this loud enough like a real horn??????
if not please tell me the difference.
waiting for u r reply
thank-you

Zam said...

yes this sound is enough.

Francois Bothma said...

hi... Can the ON switch be bridged to always on state and then use the power input as the switch??

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