osmmac - OpenSource Vending Machines

thingiverse

OpenSource Money Machine Access Controller Vending machine, money reader, and register all-in-one 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 captures high-quality images Battery backup system keeps the machine running during power outages Telephone allows for remote communication and troubleshooting ESP 8285 WiFi module enables wireless connectivity Auditable alarm sounds an alert in case of unauthorized access Vibration sensor detects when someone is trying to tamper with the machine Stepper motor dispensers rotate a lock bar, secured by transistors and I2C analog pin expander Coin weight and lumens verify the authenticity of coins inserted Dollar bill scanner uses pixel matching, contour matching, reflectivity, and IR sensors to authenticate bills Dispenser keeps arms out of the machine's interior Jukebox feature plays music while customers wait 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, and air quality sensors). Smoke dispenser could be set up for public use with remote supplied air somehow if you can seal the dispenser portion from outer contaminants 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, 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 modified freezer turned into icedcream dispenser. By guess you could net $500 per fill in good location.