# Octopus Rain/Steam Sensor

## 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.

 ![](./images/4tWL14e.jpg)

## Products Link

[ELECFREAKS Octopus Rain/Steam Sensor](https://shop.elecfreaks.com/products/elecfreaks-octopus-rain-steam-sensor?_pos=17&_sid=1ea9a7685&_ss=r)

## Characteristics

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

## 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


## Outlook and Dimensions


 ![](./images/xpNQNBG.png)

## Quick to Start

### Materials used and connection diagram
 Connect to the P1 port as the picture shows

Take sensor:bit for example

 ![](./images/ai3lZZE.jpg)

### Program as the picture shows:
 Analog read to P1 port and show the value on the micro:bit.

 ![](./images/JQBCxSv.png)

### Reference
Links:
[https://makecode.microbit.org/_7cm75DbwJEaY](https://makecode.microbit.org/_7cm75DbwJEaY)
You can also download the links below:

<div style="position:relative;height:0;padding-bottom:70%;overflow:hidden;"><iframe style="position:absolute;top:0;left:0;width:100%;height:100%;" src="https://makecode.microbit.org/#pub:_7cm75DbwJEaY" frameborder="0" sandbox="allow-popups allow-forms allow-scripts allow-same-origin"></iframe></div>  


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

## Relevant Cases


## Technique Files