via instructables

you can control Robotic Arm remotely using many wire and wireless methods to do many tasks such as holding things and can be used in a lot of medical applications like surgery and holding micro tools which can’t be controlled with human arm, what gives a great accuracy, and similarly in industrial and agricultural applications.

If you think to buy a robotic arm, it costs you about $300, but if you try to make it yourself in addition to gain more experience in fabrication, it’ll cost you about $150, which means you provide almost the half, and its fabrication isn’t a very hard process, so what’s your choice ?

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