osmmac - OpenSource Vending Machines

thingiverse

OpenSource Money Machine Access Controller Vending maching / money reading / register https://github.com/vahancho/nkar for contour matching shell command "compare -metric RMSE w.png b.png NULL: " https://github.com/tecan/OSMMAC Features 4k camera battery backup/ charging system telephone esp 8285 wifi auditable alarm vibration sensor stepper motor dispensers/ rotate lock bar use transistors + i2c analog pin expander coin weight / lumens for verification dollar bill scanner – pixel matching / contour matching / reflectivity / ir sensor dispenser for keeping arms out of the inside juke box supplied air(shots of air daily with temperature regulator) or air cycler on the unit at specified times when no one is around at random selected spot on the unit (maybe some sensors for inlet temperature/ humidity maybe co2 detector / air quality sensors. smoke dispenser could be setup for public use with remote supplied air somehow if you can seal the dispenser portion from outer contaminates that could end up on the machine. Coin Acceptor https://www.best-microcontroller-projects.com/coin-detector-and-counter.html expired utility patent. coin acceptor made for canadian currency, have not printed yet so may need to be scaled up a bit still. there are a few on ebay for under $20 with metal face. icedcream-bar-vending-machine is composed of a modified freezer turned into a icedcream dispensor. by guess you could net $500 per fill in a good location.