Here is a robot arm that mimics your movement and writes what you write on your smartphone. Line-us is an internet connected robot drawing arm that can draw with a pen on paper or other writable surfaces. It sketches what you draw and lets you share it to other machines.
More gadgets like this: here
This small drawing machine is powered by a USB battery. It is ready for Arduino, Raspberry Pi, Python, and Processing. It will works with iOS, Android, Mac, and Windows devices.
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