This solar tracker system uses the Arduino UNO board, a servomotor, 2 LDRs and 2 resistors to rotate the solar panel towards the Sun or a source of light. Here https ...

But [Playful Technology] wanted to control the hands with an Arduino directly and ... drive mechanism with something like an RC servo or other motor and it sounds like he has done this and ...

If you are interested in building your very own full instructions on how to combine the Arduino CNC shield and Arduino code for controlling the to DC servo ... the motor control module must ...