Raspberry Pi Robot Arm with simple Computer Vision

This entry is about a small Raspberry Pi robot arm I made more then a year ago. I used Dynamixel AX-12A servos. They are quite expensive. But the rule “I payed more so it ought to be better” applies; What you get are very easily configurable strong smart servos. The “smart” just meaning that you can control them via serial bus.

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The Quest To Get A Machine To Juggle

This entry is about the quest to get a machine to juggle a ping pong ball.

I started thinking about a ping pong ball juggler 2 years ago. And it was around that time that I built the first one of them. it uses LED – Photo transistor pairs to “see” when and approximately where the ball comes down. I used 4 micro servos to move a wooden plate.  It’s the machine in the first YouTube video.

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