he opted to keep it simple with RC servos which produced a nifty solution that we really like. The arm is made out of a series of 3D printed ball joints, allowing rotation in any direction.

Versatile servo arm: 25T aluminum arm included, with 90-120°±2° remote control angle. Robust and reliable: Plastic case with aluminum center band, weighs only 50g.

and the servo’s arm connects up to the previously attached 12 gauge wire. He pieced together the remote control feature with an RF link kit with an inexpensive 433mhz Code duplicator from eBay.