[Dan Royer] is taking some inspiration from Prusa’s business and is trying to build the same sort of enterprise around open source 3D printable robot arms. His 6 axis robot arm is certainly a ...

You’ve built the perfect robotic arm ... byte and values corresponding to the axis positions. The Raspberry Pi then uses an SPI interface to talk to an ARM microcontroller and that drives ...

While the shoulder is fixed at the origin, the four segments each have length L i, and are positioned at an angle θ i (with respect to the horizontal axis), for i = 1, …, 4. The response is the ...