This sensor is a temperature detector used to test the liquid temperature based on 18b20.
Standard 3-pin GVS ports are easy to plug.
3V working voltage can drive the micro:bit.
The water-proof design makes it possible to use in the liquid.
|Working Voltage||DC 3.0V|
|Length of water-proof detector||1m|
|Pins Definition||1-Signal 2-VCC 3-GND|
|Response||Quick to response and high sensitivity|
|Circuit||Simple drive circuit|
|Stability||Stable and durable|
Connect to the P1 port of the extension board.
Click "Advanced" in MakeCode to check more choices.
Click "Extensions", and search “https://github.com/elecfreaks/pxt-ds18b20" in the dialogue box to download the codebase of 18b20.
Links: https://makecode.microbit.org/_1x1ERwiT1bui You can also download the links below:
The current temperature value is showing on the micro:bit.