Gladiator II Paintball Sentry Gun – YouTube

Robert Rudolph ( made several of these devices, roughly 2012 to 2014. The website has links to download code that was written for Processing 1.5.1. I have the code running on a Window 7 PC (haven’t tried the Arduino yet) under 1.5.1 but have various problems with the current version 3.3. If I find workarounds, I’ll note them on this site.

The webcam code is at but this seems the same as found above. At any rate, it doesn’t work any better with Processing 3.3.