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Model trains and cars Speed control

2015-02-28 15:33  
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Model railroad speed control circuit uses back-EMF from the train engine motor to determine the current speed. This circuit has the characteristic that the engine will go a constant speed irrespective of up/down grade. One nice thing about this circuit is the low speed operation.Low voltage speed control gives very good starting torque and excellent speed regulation. A reversing switch may be incorporated in the leads to the motor.The Electronic Speed Control works by producing pulses to a motor, (pulse width modulation) (pwm). The  Electronic Speed Control also has a battery eliminator that powers the receiver from your main power battery or you can power from the track.
 

Speed control for model trains or cars