Shelly DS18B20 Digital Temperature Sensor

The Shelly DS18B20 is a high-precision digital temperature sensor designed for seamless integration with Shelly smart home devices. Featuring a stainless steel probe with IP67 waterproof rating, it provides accurate temperature measurements from -55°C to +125°C. Ideal for monitoring temperatures in various environments, this sensor connects via a 1-Wire interface and supports up to three sensors per compatible Shelly device.

Advantages

Easy to install and configure, the Shelly DS18B20 offers reliable temperature monitoring for smart home automation. Its digital output ensures precise readings, while the waterproof probe allows for outdoor or wet location use. Compatible with multiple Shelly controllers, it enables automated actions based on temperature thresholds.

Suitable for

• Smart home temperature monitoring
• Greenhouse or plant temperature control
• Server room or equipment monitoring
• HVAC system optimization
• Weather station integration

Key specifications

• Sensor Type: DS18B20 Digital Temperature Sensor
• Temperature Range: -55°C to +125°C (-67°F to +257°F)
• Accuracy: ±0.5°C from -10°C to +85°C
• Interface: 1-Wire Bus
• Cable Length: 1 meter (100 cm)
• Probe Material: Stainless Steel
• Waterproof Rating: IP67 (probe only)
• Power Supply: 3.0V to 5.5V DC (from host Shelly device)
• Resolution: 9 to 12 bits (configurable)
• Max Sensors per Device: Up to 3
• Probe Diameter: 6 mm
• Probe Length: 50 mm
• Wire Configuration: 3-wire (VCC, GND, Data)
• Cable Material: PVC insulated

Recommendations

For optimal performance, pair the Shelly DS18B20 with a compatible Shelly device such as Shelly 1, Shelly 1PM, Shelly 2.5, Shelly EM, or Shelly 3EM. Ensure the sensor is properly connected to the 1-Wire terminal and configure via the Shelly app for temperature-based automation.