Configure a ds18b20 Sensor

Configure a ds18b20 sensor to integrate a DallasTemperature DS18B20 1-wire digital temperature sensor into your robot:

Navigate to the Config tab of your robot’s page in the Viam app. Click on the Components subtab and navigate to the Create component menu. Enter a name for your sensor, select the type sensor, and select the ds18b20 model.

Click Create component.

Creation of a ds18b20 sensor in the Viam app config builder.

Edit and fill in the attributes as applicable.

{
  "components": [
    {
      "name": "<your-ds18b20-sensor-name>",
      "type": "sensor",
      "model": "ds18b20",
      "attributes": {
        "unique_id": "<your-sensor-unique-id>"
      },
      "depends_on": []
    }
  ]
}

The following attributes are available for ds18b20 sensors:

AttributeTypeInclusionDescription
unique_idstringRequiredThe unique 64-bit serial code of your DS18B20 sensor. Laser engraved onto your sensor and available programmatically. Example: "28EEB2B81D160127". Note that this ID will also be the last 16 digits of the device file when the sensor is mounted in a Linux filesystem.


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