16. Octopus Rain/Steam Sensor

16.1. Introduction

This is a Rain/steam sensor from ElecFreaks, the output voltage will increase when the humidity of the sensor surface goes up, thus to detect the change of the humidity.

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16.3. Characteristics

The 3-pins ports is easy to plug and play. It can work with micro:bit in 3V.

16.4. Specifications

Item | Parameter:-: | :-: SKU|EF04024 Power Input|3V-5.5V Connector Type|Analog Pins Definition|1-Signal 2-VCC 3-GND Response|Quick response with high sensitivity Circuit|Simple Stablity|Stable and durable

16.5. Outlook and Dimensions

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16.6. Quick to Start

Materials used and connection diagram

Connect to the P1 port as the picture shows

Take sensor:bit for example

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Program as the picture shows:

Analog read to P1 port and show the value on the micro:bit.

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Reference

Links: https://makecode.microbit.org/_7cm75DbwJEaY You can also download the links below:

Result

The current amount of precipitation is scrolling on the micro:bit.

16.7. Relevant Cases

16.8. Technique Files