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.
16.2. Characteristics
The 3-pins ports is easy to plug and play.
It can work with micro:bit in 3V.
16.3. 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 |
16.4. Outlook and Dimensions
16.5. Quick to Start
Materials used and connection diagram
Connect to the P1 port as the picture shows
Take sensor:bit for example
Program as the picture shows:
Analog read to P1 port and show the value on the micro:bit.
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.