Before today, we’ve never mistaken a homemade robotic arm for one of the price-of-a-new-home robotic arms. Today, [Chris Annin] made us look twice when we watched the video of his six-axis ...

From there some drivers were built for the servos, but the key to all of it is the homemade controller ... [caltadaniel] had a functioning robotic arm for any task he could think of.

We picked up an old industrial robot arm for just $500—but should we bring it back to life? Once worth between $500,000 and $1 million, this robotic ... by Step to make homemade pizza dough!