Salad Bar — Smart Vending Machine Companion App

Project at a glance

The Smart Lead Tech team built Salad Bar as the companion app for self-service salad vending machines. Users compose their meal, pay digitally and unlock the machine via QR or NFC — all in one fluid flow.

Highlight features

1. Meal customisation: pick greens, toppings and dressings by taste and dietary needs.
2. Instant digital payment: Apple Pay, Google Pay, Visa and Mastercard.
3. Machine unlock: QR code or NFC to release the delivery slot, securely and fast.
4. Order tracking: live preparation status.
5. Rewards programme: points per order, redeemable for treats.
6. Nutrition labelling: calories and ingredients per meal.
7. IoT integration: machine connectivity over MQTT for inventory and order orchestration.

Outcome: a modern self-service experience for healthy food, with end-to-end pickup under one minute.

Engineered by the Smart Lead Tech team — IoT and payment solutions for smart retail.