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A cheap robotic arm based on the OWI arm. 5 potentiometers were added to give it a position feedback,plus one motor controller to control the gripper and motor shield to control the 4 other motors of joints, also a notebook webcam for live stream from the top of the arm and a ultra sonar sensor to measure distance from objects.all this will be controlled from web via a node.js web server plus - socket.io and serial node.js librery. ********update finish the web interface: The basic arm 5 ...
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