**OBSOLETE, please see the "PLUS" series and their "PLUS Add-On" for a more modern option: shelly-plus-add-on**

**Shelly "Temperature Probes Addon"** is an adapter interface for DS18B20 type temperature probes (up to 3 probes) or 1 temperature + humidity probe of type DHT22 for Shelly-1 or Shelly-1PM.

It galvanically isolates the probes from the Shelly-1 or Shelly-1PM onto which this interface is mounted. Based on the TI ISO7221A integrated circuit, galvanic isolation is achieved through a silicon dioxide (SiO2) substrate up to 4kV.

The interface can be ordered alone or with 1, 2, or 3 DS18B20 probes.

The interface case alone has a thickness of 6.88mm excluding projections (connector pins and plastic lock included).

- Approximately 25.27mm total thickness with Shelly-1.

- Approximately 25.35mm total thickness with Shelly-1PM.

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Shelly 1/1PM
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