20. Octopus DS18B20 Digital Temperature Brick

20.1. Introduction


This brick uses the DS18B20 1-Wire digital temperature sensor from Maxim IC.

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20.2. Characteristics

  • It can report degrees C with 9 to 12-bit precision, -55C to 125C (+/-0.5C). Each sensor has a unique 64-Bit Serial number etched into it that can allow for a huge number of sensors to be used on one data bus.

20.3. Specifications


Item | Parameter :-: | :-: SKU|EF04042 Power Dissipation|ULP Working Temperature|-20-70℃ Working Voltage|3.3-5V

20.4. Outlook and Dimensions


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20.5. Quick to Start


Materials used and connection diagram


Take sensor:bit for example

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Add Package

  • Click “Advanced”in the choice of the MakeCode to find more choices.

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Click “Extensions”, search “iot”in the dialog box and then download it.

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Program as the picture shows

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Reference

Links: https://makecode.microbit.org/_FEiCtaV235Xw

You can also download the links below:

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Result

  • The current temperature is showing on the micro:bit.

20.6. Relevant Cases


20.7. Technique Files