EARTH

SKU:U019

Description

EARTH unit is a Soil Moisture Sensor for measuring the moisture in soil and similar materials.

The soil moisture sensor usage is pretty straight forward, the two large exposed pads function as probes for the sensor, together acting as a variable resistor.

The higher moisture that is in the soil means the better the conductivity between the two so that the sensor will result in a lower resistance, and a higher SIG out.

You can read the moisture in soil by using the ADC. Inside this Unit we've added an extra potentiometers to change the measurement range.

Electrode of the unit is not anti-corrosive, or waterproof, for POC purpose only. Pls do NOT put it in humidity environment for a long while.

Product Features

  • Adjustable threshold, including 10K adjustable resistor
  • Analog & Digital output
  • GROVE interface, support UIFlow and Arduino
  • Two Lego-compatible holes

Include

  • 1x EARTH unit
  • 1x GROVE Cable

Applications

  • Potted soil moisture monitoring

Specification

Resources Parameter
Net weight 5g
Gross weight 18g
Product Size 64.4*24.1*8.1mm
Product Size 67*53*12mm

EasyLoader

download EasyLoader

1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. .

  1. After downloading the software, double-click to run the application, connect the M5 device to the computer through the data cable, select the port parameters, click "Burn" to start burning. (For M5StickC burning, please Set the baud rate to 750000 or 115200)
  1. Currently EasyLoader is only suitable for Windows operating system, compatible with M5 system adopts ESP32 as the control core host. Before installing for M5Core, you need to install CP210X driver (you do not need to install with M5StickC as controller) Click here to view the driver installation tutorial

Schematic

PinMap

M5Core(GROVE B)GPIO36GPIO265VGND
EARTH UnitAnalogSignal PinDigitalSignal Pin5VGND

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Example

Arduino

The code below is incomplete. To get the complete code, please click here

UIFlow

Feature Introduction

Measuring soil moisture

  • Get Analog value Return analog value

  • Get Digital value Return numeric value

Usage

To get the complete code, please click here

Video

EARTH Tutorial - Monitor vase soil moisture 1

Last updated: 2020-12-11