MTUTA

Vending machines remote management module

A large vending company approached us for R&D of a modem for collecting and transmitting data from a geographically distributed network of vending machines.

Solutions

GPRS, Ethernet, Bluetooth 3.0
Sim card or sim chip
EVA-DTS using DEX/UCS.
Multi-Drop Bus / Internal Communication Protocol (MDB/ICP)
Protocol "A" (EXE)
TIA/EIA-232 ‑ RS-232) - 2 PCs
UART, I2C, SPI, TTL, IOx4
USB OTG (host & device)
Switched power outputs up to 48 V, up to 1 A-2 PCs.
1-Wire external temperature sensor connection
Built-in battery, at least 2 hours of operation with full functionality, up to 48 hours of operation with the partial shutdown
Remote camera with UART TTL and RS-232 connection
Standard audio input for the microphone, save audio in WAV or MP3 format
2-axis accelerometer, configurable threshold
Current consumption from the power supply of the vending machine-no more than 1A

Results

Design documentation set

Prototypes

Installation series

Debugging fixture

Mass production

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