Coin Acceptor - Programmable 4 Coin Type : ID 787 : $39.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Coin Counter/Sorter : 5 Steps - Instructables
Overview | Arcade Coin-Op | Adafruit Learning System
Raspberry Pi To Vending Machine Mdb Cashless Interface Adapter Board With Housing Working With Bill Acceptor,coin Validator - Coin Operated Games - AliExpress
New 2020 Raspberry Pi Version Mdb-rs232 Device To Convert The Mdb Coin And Bill Validator Data To Pc Rs232 For Vending Machine - Coin Operated Games - AliExpress
Build a Coin Counter : 9 Steps - Instructables
Cash Counter | jalibu
python - Coin Counter in Raspberry Pi (RPi-GPIO) - Stack Overflow
How to Make a Coin Counter | Custom | Maker Pro
DIY Coin Sorting & Counting Machine without any Sensor from Cardboard and Arduino - YouTube