Handy for when you need to measure something far away, or in wet conditions. Because they are digital, you don't get any signal degradation even over long distances. They work great with any microcontroller using a single digital pin, and you can even connect multiple ones to the same pin, each one has a unique 64-bit ID burned in at the factory to differentiate them.
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4.7k resistor is included, which is required as a pullup from the DATA to VCC line when using the sensor.
High quality stainless steel tube encapsulation waterproof moistureproof prevent rust
Stainless steel tube 6mm diameter by 50mm long
Cable is 95cm, 4mm diameter
Contains DS18B20 temperature sensor
It has three wires - Red connects to 3-5V, Grey/Black connects to ground and Yellow is data
Usable temperature range: -55 to 125°C (-67°F to +257°F)
Uses 1-Wire interface- requires only one digital pin for communication
Multiple sensors can share one pin
Unique 64 bit ID burned into chip
±0.5°C Accuracy from -10°C to +85°C
Usable with 3.0V to 5.5V power/data
1 x Waterproof temperature sensor DS18B20
1 x 4.7K resistor