Micro Robot arm (9g Micro Servo) see video

thingiverse

Updated with larger files ending in (-mm). Added a file showing the robot on a platform. This small, affordable robot features a 4-axis gripper built on 9g micro servos and can be controlled by remote control, Arduino, etc. If gear doesn't fit due to varying shaft diameters, simply provide the dimensions for a custom gear. Check out the robot in action on YouTube: _fGNWsP41S0, eWSpKL0VOp8, Qj7jYwfpEMc, Ca4PmYkpcg. Programming instructions available at 7hBvyaEWg5I, and the code is located on GitHub: https://github.com/BenTommyE/Micro_robot_RC_servo_IR_remote. New updates include an option for a stronger MG955 servo (http://www.thingiverse.com/thing:38875), arm with spring and rubber band for increased weight, grippers v5 with improved spring, and smaller gear v5 for stronger grip. Required materials are 5 x 9g micro servos, small screws, a 3D printer (optimized for uPrint but should work on others), and an Arduino with a servo shield for control. Ensure to enlarge the 3D print designs by 10x and use metric measurements. Instructions include inserting servos into custom holes, fitting arms together, adjusting servo positions, installing servo horns, and providing suggestions for improvement. The robot's Arduino program can be found at: http://bentommye.blogspot.no/2012/12/download-arduino-kontrollert-robot-arm.html.