Explaining The Vending Machine Components
## Core components and usage | Component | What it does / how it’s used | |---|---| | **Cabinet / enclosure** | Protects internals, holds signage and branding, supports the screen and payment hardware, and includes a locked service door. | | **User interface** | Touchscreen, keypad, buttons, speakers, and accessibility features. Used to browse voucher types, select denominations, confirm purchase, and show instructions. | | **Payment subsystem** | Coin acceptor, bill validator, card reader/EMV, NFC/contactless, QR scanner. Collects and validates payment before releasing a voucher. | | **Controller / CPU** | Runs the kiosk software and coordinates the screen, payment devices, printer/dispenser, network, and sensors. | | **Voucher generation / dispensing unit** | Depending on design: thermal printer for printed vouchers/receipts, card dispenser/hopper for physical cards, or secure code generator/API for digital codes shown on screen or printed as QR/barcode. | | **Voucher stock / inve...
