Sunday, June 28, 2009

Securing a Toy Car Radio

Easily available toy cars have a Transmitter and a receiver(in the car), but the receiver can easily catch any stray signal and fire the following circuits. Thus in order to make a secure radio transmission so that any standard radio can be interfaced with any circuit which u want to wireless, I used ATMega32 controllers on each side to encrypt the signal and then send it and subsequently decrypt the signal on the receiving end.

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