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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.
| Items | Parameters |
|---|---|
| SKU | EF04095 |
| Working Voltage | DC 3.0V |
| Power Supply | 3v-5v |
| Connector Type | Analog |
| 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.
