A project submitted by students at Cornell, this RC car electronics circuit is the receiver and transmitter for controlling a remote control car. It features speed control and continuous steering function.
The students bought a Tamiya RC car, made sure it was working with it's original electronics, then ripped them all out, and replaced them with other radio modems, with their own communication for the RC protocol.
The original electronics in the RC car provided only 6 levels of speed (3 forward, 2 reverse and neutral). The students opted for an RC design that would allow for more fluid changes in the car's speed and turning, by using an ESC (Electronic Speed Control), done through using a PWM (Pulse Width Modulation) implementation. The wider the pulses, the more Voltage the RC car motor gets, and the faster it goes.
Includes RC transmitter and receiver source code, schematics, a full write-up, etc. Great stuff!
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