Servo motors have three wires: power, ground, and signal.
you need to have a separate power supply.
connect all grounds together and to the arduino
you can control 8 motors on 8 pins
that banggood board makes connections easier
Servo motors have three wires: power, ground, and signal.
you need to have a separate power supply.
connect all grounds together and to the arduino
you can control 8 motors on 8 pins
that banggood board makes connections easier