STEMMA - Soil Moisture Sensor - Adafuit 4026

Index: ADA-14431 EAN: 5904422307301

The soil moisture sensor and temperature sensor from Adafruit. Its design allows you for the capacitive measurement using a single probe. It has not the bare metal, so it is not oxidized in contact with the soil. The I2C interface was built-in here so it works when connected to almost any microcontroller. It is powered with the voltage from 3 V to 5 V.

STEMMA - Soil Moisture Sensor - Adafuit 4026
€10.50
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Manufacturer: Adafruit
Compatibility: Arduino Raspberry Pi

Description of the product: Adafruit Stemma - humidity sensor

The sensor used to measure the soil moisture and its temperature.Soldered and ready to connect, for example, to ArduinoorCircuitPython with the 4-pin wire through the I2C interface. The design of these sensors is based on capacitive measurement, it has not the bare metal so the probe is not oxidized when in contact with the soil anddoes not affect the current on plants.

Adafruit Soil Sensor

 

The sensor has a built-in measuring system of the capacitive touch measurement built into theATSAMD10 system which gives readings in the range of from about 200 (very dry) to 2000 (very wet). In addition, it shows the temperature of environment from the internal temperature sensor on the microcontroller. It does not have very high accuracy, the measurement can vary up to +/- 2°C .

Pins

Pin

Description

VIN The module's supply voltage in the range from 3 V to 5 V
GND The ground of the system
SCL Clock line of the I2C bus pulled-up by the resistor of 10 to VIN
SDA The data line of the I2C bus pulled-up by the resistor of 10 to VIN

Specification of the humidity sensor Adafruit Stemma

  • It does not require soldering
  • Interface: I2C
  • JST 4-pin PH connector compatible with the Grove connector
  • Supply voltage: 3 V to 5 V
  • Dimensions: 76.2 mm x 14.0 mm x 7.0 mm
  • Weight: 4.0 g

 

The product is compatible withArduinoandRaspberry Pi

The manufacturer providesthe Arduino libraryanduser's guidefor the Raspberry Pi.

 

Sensor - Temperature accuracy +/- 2 °C
Package width 10.1 cm
Package height 16.2 cm
Package depth 0.8 cm
Package weight 0.063 kg

Michał

08/01/22

Question: Good day, how does one determine the address to the I2C bus in this sensor ?
Answer: I am sending you a link to a code that may help you find out the address: https://playground.arduino.cc/Main/I2cScanner

Product reviews

STEMMA - Soil Moisture Sensor - Adafuit 4026

2.3/5

Average grade

2

Customers opinion
The following opinions are collected
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and come from the post-purchase process.
Przemysław 23.01.2023 Confirmed purchase Translated review
How much I value the devices and software created by Adafruit, this sensor (and I have 2 pcs) is weak. There are many entries on the net about problems with recognizing humidity. As a result, the usable range from 300-2000 units narrows to 5 percent, which is related to the observation of the trend rather than the reading of the last value.
Jan W. 29.06.2021 Confirmed purchase Translated review
All OK

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