The Shelly DS18B20 temperature sensor is a digital temperature sensor that can be used to measure the temperature in a wide temperature range, from -55 to +125 degrees Celsius. The sensor is waterproof and has a cable length of 3 meters.

The sensor uses the 1-Wire protocol for communication and can be connected to a variety of devices, including Shelly products, Raspberry Pi and Arduino.

Here are some of the key features of the Shelly DS18B20 temperature sensor 3m:

• Accuracy: ±0.5 degrees Celsius
• Cable length: 3 meters
• Waterproof
• 1-Wire protocol

The sensor can be used for a variety of purposes, including:

• Monitoring the temperature in a home or office
• Control of heating systems
• Built into smart home solutions

The Shelly DS18B20 temperature sensor 3m is a versatile and affordable option for measuring the temperature.