STEMMA Soil Sensor - capacitive soil moisture sensor

Soil moisture sensor with I2C interface. The probe has two pointed tabs, making it easy to insert into the ground. The sensor is supplied with the voltage of 3.3 V or 5 V. SparkFun SEN-17731

Capacitive soil moisture sensor with analog output. The board is equipped with a Grove connector and communicates via a analog interface. Seeed Studio 101020614

This soil moisture sensor uses a resistive measurement between two gold-plated probes. Corrosion resistance ensures long life and stable measurements. It works with the micro:bit and Arduino platforms, allowing for reading soil moisture levels as an analog signal. Adafruit 6362

Capacitive soil moisture sensor with analog output (Grove connector). The probe has a pointed tip, which allows it to be easily inserted into the ground. Cytron MAKER-SOIL-MOISTURE

Module with a soil moisture sensor for the M5Stack sets. It has an analog output and a digital output with adjustable reaction threshold. M5Stack U019

Earth humidity sensor with analogue output, supplied with 3.3 to 5.5 V voltage with Gravity connector. DFRobot SEN0193

Waterproof soil moisture sensor with analog output. The probe has a pointed tip, which allows it to be easily inserted into the ground. It is supplied with the voltage from 3.3V to 5.5V. DFRobot SEN0308

A set of three capacitive soil moisture sensors for a home automatic irrigation system. Pimoroni PIM520

Soil moisture sensor with analogue output. It has a shape resembling a fork, which makes it easy to put it in the ground. The voltage level of the analog output increases in proportion to the ground moisture level. The sensor can be used in an automatic watering system. Version with a 3.5 mm ARK connector. SEN-13637

The FC-28 sensor is used in automatic irrigation systems, IoT projects, and educational experiments involving soil moisture measurement. It enables accurate monitoring of crop conditions and optimizes water consumption

Soil moisture sensor with analog output. It has a probe with pointed tips, which allows you to easily place it in the ground. The analog output voltage level increases in proportion to the humidity level

The soil moisture sensor with comparator LM393 has an analogue and digital output (with adjustable switching threshold). modHUM

Soil moisture sensor dedicated to micro:bit. It is supplied with the voltage from 3.3 V to 5 V and communicates via an analog signal. SparkFun SEN-15272

A simple and practical soil moisture sensor designed to work with the BBC micro:bit. Using conductive probes inserted into the ground, the module measures moisture levels and generates an analog signal read by the micro:bit. Powered by 3V, it ensures easy and reliable integration, and when combined with the Mi:Power board, it can also trigger an audible alarm when the soil is dry. Kitronik 5647

Crowtail-Moisture Sensor 2.0 is an analog soil-moisture sensor with extended electrodes, ideal for automatic watering systems and gardening projects. It enables precise reading of moisture levels in deeper layers of the soil.

Crowtail-Capacitive Moisture V2.0 is a durable soil-moisture sensor based on capacitive technology, ideal for monitoring plant hydration levels. Intended for use in projects with 3.3–5 V microcontrollers.