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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.

Unknown 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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