His latest, an RC paintball gun turret, is our favorite though. He actually rates this as one of the easier projects he’s published; it just took a while to assemble. Several design decisions ...

The ball turret, like this one on ... scoring variation among its gun stations. The Jam-Handy fared just as poorly: The projected images were model airplanes “flying” against a painted ...

[Aaron] and [Davis] built a motion-tracking turret that uses openCV to detect movement, before hitting a relay to trigger the gun. There’s a Raspberry Pi controlling a Logitech C210 Pi ...

That’s where the prototype of the autonomous gun turret they’ve built—called the “Bullfrog”—will go in about six weeks, he explains. I’m almost surprised as I hear him say it and ...

The Detroit Diesel Model 8V-71T engine is coupled ... the breech block is of the Welin-step thread type. Gun elevation and depression and turret traverse are hydraulic with manual controls for ...