17. Octopus Soil Moisture Sensor Brick(EF04027)

17.1. Introduction

  • Octopus Soil Moisture Sensor Brick can read the amount of moisture present in the soil surrounding it.


17.2. Characteristics

  • The 3-pins ports is easy to plug and play.

  • It can work with micro:bit in 3V.

17.3. Specifications

Item Parameter
SKU EF04027
Power Input 3V-5.5V
Connector Type Analog
Pins Definition 1-Signal 2-VCC 3-GND
Response Quick response with high sensitivity
Circuit Simple
Stability Stable and durable

17.4. Outlook and Dimensions


17.5. Quick to Start

Materials used and connection diagram

  • Connect to the P1 port as the picture shows

    Take sensor:bit for example


Add Package

Click “Advanced”in the choice of the MakeCode to find more choices.

Program as the picture shows

  • The soil moisture is showing on the micro:bit circularly.



Links: https://makecode.microbit.org/_X3xXFcTkMUex You can also download the links below:


  • The soil moisture is showing on the micro:bit after inserting the module into the soil.


  • Click “Extensions”, search “iot”in the dialog box and then download it.



17.6. Relevant Cases

17.7. Technique Files