Servos - working principle and homemade types

Table Of Content: 00:05 Introduction 01:19 Torque and servo speed 02:25 Sensor (potentiometer) 02:56 Driving a servo by PWM 04:15 Hard stops 04:48 Servo driver circuit 06:17 Self made servo board 06:39 PWM signal to DC voltage (low-pass) 09:02 2. order lo