Hi All, I have a problem with controlling multiple servos. I use one Arduino Mega to control 20 servos(futaba s3305) with external power supply. But the servos started to tremble/shake, especially when they reached higher % of PWM duty cycle. When the number of servos it supported reduced to 10, t…

Servos were trembling, especially when reaching 100% PWM duty cycle

michinyon April 22, 2014, 1:03am 11

Servo PWM should never be anything close to 100% duty cycle.

Servo pulse length between 0.5 and 1.5 milliseconds and pulse spacing about 20 milliseconds.

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