i use my old broken Remote control car .
my mother ask from me can i throw .I say no i want to use in making some thing ales
then i open the circuit and check how its work
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Step 1: What More You Can Do With It
i use this as control switches
you can also use as
Step 2: Parts Required
4 12v relay
2 diode 4007
rc car remote and recever
Step 3: How to Attach
Take four relay attach with glue or double tape. attach the wire according to circuit diagram
in this diagram two relay are use as making logic
like on and off circuit
first relay use to off the circuit
and second is use to on the circuit
these two relay are use to control the third
actually third reley is a 5 pin relay
if you have 8 pin or grater pin relay is better
to control this thing i use another relay
which work same
Step 4: Testing
before testing carefully check the connections
testing is very important.