ElecFreaks
Octopus DS18B20 Digital Temperature Brick
The Octopus DS18B20 Digital Temperature Brick uses the DS18B20 1-Wire digital temperature sensor from Maxim IC to deliver accurate readings from −55 °C to +1...
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The Octopus DS18B20 Digital Temperature Brick uses the DS18B20 1-Wire digital temperature sensor from Maxim IC to deliver accurate readings from −55 °C to +125 °C with ±0.5 °C accuracy. Each sensor has a unique 64-bit serial number, allowing multiple sensors to share a single data bus.
Designed for the ElecFreaks Octopus:Bit ecosystem, this brick plugs directly into the P1 port and works with Microsoft MakeCode for micro:bit programming.
Key Features
- DS18B20 1-Wire Sensor – 9- to 12-bit configurable resolution
- Wide Range – −55 °C to +125 °C with ±0.5 °C accuracy
- Unique 64-Bit Serial Number – Run multiple sensors on a single data bus
- Octopus Brick Interface – 3-pin connector for easy plug-and-play wiring
- micro:bit Compatible – Programme via MakeCode with the DS18B20 package
Getting Started with micro:bit
- Connect the brick to port P1 on your Octopus:Bit breakout board
- In MakeCode, click Extensions and search for
https://github.com/Tinkertanker/pxt-ds1820-temperature-sensor - Add the package and use the temperature blocks in your programme
Ideal For
- micro:bit weather stations and environmental monitoring
- Arduino temperature logging projects
- Multi-sensor 1-Wire networks
Resources
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.
- breakout
- A breakout board carries a small or fine-pitched component and brings its connections out to standard, breadboard- and header-friendly pins. Describing a part as a breakout means it can be wired into a project without soldering directly to the component's tiny contacts.
- DS18B20
- The DS18B20 is a common digital temperature sensor, often supplied in a waterproof stainless-steel probe, that sends its readings to a microcontroller over a 1-Wire connection. It is a typical choice for adding temperature data to environmental or water-monitoring projects.
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Related Tutorials
Free guides on learn.littlebird.com.au
