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Field · Connected devices

Connected devices and LoRaWAN

Sensor fleets, payload decoders and the firmware behind them, into whatever platform has to read them. A project here is staffed with project lead, hardware and firmware and integration and software, and runs through the same five steps as every other field, from a written specification.

Reviewed

Talk to us about a project All fields

Typical jobs

  • Payload decoders, tested against real frames
  • LoRaWAN and MQTT into a platform or station
  • Device fleet back ends
  • Firmware review

Who is on the project

  • Project lead
  • Hardware and firmware
  • Integration and software

Projects

  • An industrial IO gateway firmware — One ESP32 image carrying WiFi, Ethernet and GSM with a priority order, Modbus RTU/TCP to MQTT, 130 host test cases and a Modbus capacity stress harness on bench hardware.
  • A LoRaWAN occupancy platform — Sensors, decoders, a Rails back end and an operator web app for a device fleet, worked on alongside other engineers.

The work and notes behind it

The core

The same five steps as every field

  1. 1

    Read

    Get the data off the system as it really is: the protocol, the decoder, the export, the jar. Measured, not taken from the manual.

  2. 2

    Name

    Map it to one data model with your names and tags, so the next system and the next engineer can find it.

  3. 3

    Act

    Write back only where it is meant to: priorities, schedules, commands. Every write is scoped and reversible.

  4. 4

    Show

    Put it in front of the person who needs it: a graphic, a dashboard, an alarm, an agent answer.

  5. 5

    Hand over

    Source, notes and access in your name. Support afterwards if you want it, and nothing that only we can keep alive.

Other fields

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