Sunday, March 30, 2008

Robotics: Wireless Controlled Arm


This is a follow up to the wireless gripper post. Constructed from pine, spruce, aluminum, 3 HS-55 and 2 Futaba S-33 servos this arm has 4 degrees of freedom and is controlled by a sony IR remote controller. The Basic Stamp 2 processor translates the IR signals and creates programmable pulse lengths to power the servos. After seeing the video below, you'll see that this design could use a lot of refinement, such as a more efficient and functional gripper, more powerful servos and software that includes kinematics. Robotic arms are very challenging, so I looked to other designs to avoid stupid mistakes. The main influence for this project was the lynxmotion Lynx 5 arm . The code for the BS2 was adapted from Parallax's IR Kit . After I clean it up, I'll post the code that runs this arm here in an update.

video

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