The tag 'vending machine' is only used once. This is the project:
MDB DEX WiFi telemetry
Bring your vending machines to cloud... MDB & DEX telemetry, using esp8266;
An open source vending machine telemetry system.
DEX and MDB protocol.
Bring your vending machines to cloud... MDB & DEX telemetry, using esp8266;
An open source vending machine telemetry system.
DEX and MDB protocol.