# KS0471 keyestudio Micro bit Honeycomb Soil Sensor

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## 1. Description

The keyestudio micro bit honeycomb soil sensor is fully compatible with micro bit control board. During the experiment, we connect the sensor to the micro:bit control board using crocodile clip wire. With this sensor, we can make an automatic watering device. When you are not at home for a long time or miss time of watering, it can sense if your plant is thirsty.

## 2. Technical parameters

- Working voltage: DC 3.0-3.3V
- Control port: analog port
- Size: 22mm * 59mm * 3mm
- Weight: 2.5g
- Environmental attributes: ROHS

## 3. Wiring Diagram

![](media/wps2.jpg)

## 4. Test code

Download code : [Code](./Code.7z)

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## 5. Test Result

According to wiring diagram, upload test code successfully. After power-on, insert the sensor into soil. The LED dot matrix of micro:bit control board displays the analog value of corresponding soil moisture.

![](media/wps1-1769045204800-1.png)