30. Octopus Water-proof Temperature Sensor¶
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
30.5. Quick to Start¶
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.
Reference¶
Links: https://makecode.microbit.org/_1x1ERwiT1bui
You can also download it directly:
---Results¶
The current temperature value is showing on the micro:bit.