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Magnetic Case for SML over Matter/Thread IR Meter Reader — image 1
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Magnetic Case for SML over Matter/Thread IR Meter Reader

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Magnetic case for the SML over Matter/Thread IR meter reader. Versions for four 6×3 mm or 8×3 mm magnets.

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Model information

Category
Electronics
License
Creative Commons — Attribution — Noncommercial

A 3D-printable case for mounting the SML over Matter/Thread infrared reader onto your electricity meter. Four neodymium magnets hold the reader in place over the meter’s optical interface.

The reader uses an ESP32-C6 to read SML data via infrared and send electricity readings to Home Assistant over Matter/Thread.

Two case versions are available:

  • 6 × 3 mm magnets: requires four round neodymium magnets, 6 mm diameter × 3 mm thick.

  • 8 × 3 mm magnets: requires four round neodymium magnets, 8 mm diameter × 3 mm thick.

Choose the model that matches your magnets. Check the case dimensions and optical interface position against your meter before printing.

Firmware, hardware information, and setup instructions are available on GitHub — SML over Matter/Thread.

If you print one, I’d love to see your make! Please share which electricity meter you’re using it with.

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