Third statement states where the servo signal pin is connected; this must be a PWM pin. Here we are using PIN3 for first servo. Fourth statement gives commands for positioning servo motor in degrees.

Servo motors at 90 degrees: Powering the Servos: ... Make sure the ground of the external power supply is connected to the ground of the Arduino. Code Explanation. The Arduino code controls 6 servo ...

This code helps to control a servo motor using a touch sensor. You can connect the wires as below. Connect the touch sensor pin to D2 Connect the servo motor pin to D9 //below is the arduino code ...