Case study

mqtt-energi: reconstructing myenergi device traffic

mqtt-energi investigates myenergi device-to-device Ethernet traffic and bridges decoded readings to MQTT. Its documentation records multicast frames with ethertype 0x88b5 and packet layouts, while a Python decoder extracts voltage, power, energy and heater state from Eddi V2.1 messages.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-07
Evidence class: C2 code & docs, no demo or download

Stars: 15
Last commit: 2023-06-20
Language: Python
License (GitHub): Unlicense

GitHub data as of 2026-11-10

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Evidence

Observed: Code and documentation observed; no download method or demo found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: Requires a network-connected Eddi V2.1 device, a promiscuous-mode network interface and an MQTT broker.
Prerequisites: The bridge is described as likely to work only on Linux in its current form; Python needs paho.mqtt, and the script needs root permissions to configure the network interface.
Limits: V1 devices are unsupported, and operation with V5 firmware is unknown.
License: Unlicense.

Cite

BibTeX

@misc{mqtt-energi-case,
  title = {{mqtt-energi: reconstructing myenergi device traffic}},
  howpublished = {\url{https://github.com/PeterTM/mqtt-energi}},
  url = {https://github.com/PeterTM/mqtt-energi},
  urldate = {2026-11-07},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/mqtt-energi-case/}}
}

Plain text

mqtt-energi: reconstructing myenergi device traffic. https://github.com/PeterTM/mqtt-energi (accessed 2026-11-07). Awesome REA entry: https://awesomerea.org/resources/mqtt-energi-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

README.md GitHub · PeterTM/mqtt-energi · Revision 9aa07ae
docs/communication.md GitHub · PeterTM/mqtt-energi · Revision 9aa07ae
docs/data_packets.md GitHub · PeterTM/mqtt-energi · Revision 9aa07ae
docs/mqtt_bridge.md GitHub · PeterTM/mqtt-energi · Revision 9aa07ae