30. Octopus Water-proof Temperature Sensor(EF04095)
30.1. Introduction
This sensor is a tempeterature detector used to test the liquid temperature based on 18b20.
30.2. Characteristics
Standard 3-pin GVS ports is easy to plug.
3V working voltage can drive the micro:bit.
Water-proof design makes it possible to use in the liquid.
30.3. Specification
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 sensiivity
Circuit:Simple drive circuit
Stability:Stable and durable
30.4. Outlook and Dimensions
30.5. Quick to Start
Connection Diagram
Connect to the P1 port of the extension board.
Add Package
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.
Programme as the Picture Shows
Reference
Links: https://makecode.microbit.org/_1x1ERwiT1bui
You can also download it directly:
Results
The current temperature value is showing on the micro:bit.