Temperature Sensor - Waterproof (DS18B20)
Product details
| Management number | 205893653 | Release Date | 2025/11/02 | List Price | $25.79 | Model Number | 205893653 | ||
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This sealed digital temperature probe lets you precisely measure temperatures in wet environments with a simple 1-Wire interface. The DS18B20 provides 9 to 12-bit (configurable) temperature readings over a 1-Wire interface, so that only one wire (and ground) needs to be connected from a central microprocessor.
**Note:** The pinout for this sensor is as follows: RED=Vcc BLACK=GND WHITE=SIG
**Features:**
* 3.0-5.5V input voltage
* Waterproof
* -55°C to+125°C temperature range
* ±0.5°C accuracy from -10°C to +85°C
* 1 Wire interface
* Probe is 7mm in diameter and roughly 26mm long. Overall length (including wire) is 6 feet.
**Documents:**
* [Datasheet](http://cdn.sparkfun.com/datasheets/Sensors/Temp/DS18B20.pdf) (DS18B20)
* [Simple Sketch Code](https://github.com/sparkfun/simple_sketches/tree/master/DS18B20)
* [mbed Example](http://mbed.org/users/snatch59/notebook/onewirecrc/)
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