In this episode, I visit the electrical input for servo motors and demonstrate that in action.
I may sound vain quoting myself here: "There's no reason why you shouldn't understand any of this." Seriously, though. I want everyone to know what PWM is about; especially when it comes to servo motors.
There's so many good resources on the internet about pulse-width modulation (PWM). It doesn't only apply to servo motors. PWM is simple: the signal level is proportional to the duty cycle of the PWM waveform. (It's a little more complicated than that, if you want me to throw in some fancier words)
Website:
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