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This is my first robot project. I choose to DIY almost all the components of this project because I live in Hong Kong. The robot community in Hong Kong is small and it is hard to find suppliers at reasonable price. Shipping cost from US to Hong Kong is expensive, if available at all. Also, I would have much better control of the overall design if it is DIY. The robot arm is made from windows frame material. It costs about $8. You can visit my blog to check on how to make it and I will post more later. ...
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/diy-robot-arm-to-play-chinese-chess-game-with-computer-vision