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Case study

OnTime — IoT GPS Tracking

Real-time GPS/GSM tracking system: firmware and test scripts for an Arduino Nano, NEO-6M GPS, and SIM800L over MQTT.

C++ArduinoMQTTIoT

Problem

TODO: describe the tracking problem and constraints (real-time location over cellular).

Approach

Arduino Nano firmware reads NEO-6M GPS data and publishes over the SIM800L GSM module to a HiveMQ MQTT broker.

Code