4 axis robot arm with a small gripper and teach function. (In fact: it is a 3 axis robot) - please read the full description before ask questions which are already answered - 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
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