Micro Servo Robot

4 axis robot arm with a small gripper and teach function. (In fact: it is a 3 axis robot) Arduino mini pro 5V 4 * micro servos 180degrees 4 * 22k potentiometer NmH Battery Wires, Button, Switch Balsa wood, Metal, Plastic Zip Ties and Glue Teach mode: After a reset the robot arm follows the teach in arm while simple mapping the analog inputs every 25ms to the servo motors. Pressing the button stores each servo position in a array. Play mode: The sketch reads the array step by step and and move