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Temperature Sensor Module DS18B20
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$9.13
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A pre-wired DS18B20 digital temperature sensor on a breakout module with three labelled pins for easy connection. The DS18B20 uses the 1-Wire protocol, requi...
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A pre-wired DS18B20 digital temperature sensor on a breakout module with three labelled pins for easy connection. The DS18B20 uses the 1-Wire protocol, requiring only a single data line to communicate temperature readings to a microcontroller such as a Raspberry Pi, Arduino, or micro:bit.
Key Features
- Temperature Range – -55°C to +125°C
- Accuracy – ±0.5°C from -10°C to +85°C
- Resolution – Configurable from 9 to 12 bits
- 1-Wire Protocol – Single data pin; each sensor has a unique 64-bit address for multi-sensor buses
- Operating Voltage – 3.0 V to 5.5 V
- Three-Pin Module – GND (−), Data (Out), and VCC (+)
Ideal For
- Weather stations and environmental monitoring
- Aquarium and greenhouse temperature logging
- Multi-sensor temperature networks (daisy-chain multiple sensors on one data line)
Jargon buster
Plain-language definitions for the technical terms used above.
- 1-Wire
- 1-Wire is a communication method where devices share a single data line, often with each device having its own address. It matters because several temperature modules can be connected to one microcontroller pin instead of needing a separate pin for each probe.
- 64-bit address
- A 64-bit address is a unique digital identifier used so a controller can tell one device from another on the same data line. It matters when several modules are daisy-chained, because software needs to know which physical temperature probe each reading came from.
- breakout
- A breakout is a small circuit board that makes a tiny or hard-to-solder component easier to connect to with standard pins. It matters because this OLED module can be wired into a microcontroller project without needing to solder directly to the display’s fine contacts.
- DS18B20
- A common digital temperature sensor often sold in waterproof probe form. It matters here because the kit does not include temperature measurement, and a DS18B20 is the suggested add-on if your water readings need temperature context.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
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