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Some time ago I bought a electric car for my grandson which already had a remote control implemented. The only drawback was that it didn't have a real speed controller but only run/stop/reverse buttons and for steering move to left/right buttons.I always thought about implementing a smoother speed control (also for the gas pedal in the car) and a steering system that works like the one for rc-cars.The biggest problem in my opinion is to find a low-cost servo or actuator for the steering since you need a relatively high torque to control the wheels.You suggest a "standard 1/10 steering servo" - is this one really strong enough to do that job? I'm missing the part of the instructions which show how you mounted the servo to the steering wheel/bar and how it works when the driver want's to take over control. How did you solve the concurrency problem?
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