Set with a measuring module and a probe for measuring electrical conductivity. It allows you to measure the salinity of water and soil. It has a Gravity analog output interface. DFRobot DFR0300

Module with a BME688 sensor for measuring gas concentration, pressure, temperature and humidity. I2C or SPI communication. SparkFun SEN-19096

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

Module with ToF VL53L4CX sensor with a range of up to 6 m. It is equipped with a STEMMA QT connector and communicates via the I2C interface. Adafruit 5425

The temperature and humidity sensor with RS485 Modbus interface is a precise measuring device, ideal for industrial automation systems, easily integrated thanks to the Modbus RTU protocol. Mounted on a DIN rail, it measures temperature from -40°C to 80°C and humidity up to 100% RH, providing reliable data in harsh environmental conditions.

A module with a high precision temperature sensor based on the STS35 system. It allows measurement with an accuracy of ±0.1° C and communicates via the I2C interface. DFRobot SEN0434

pH electrode for industrial and laboratory applications. Made of a sensitive, low-impedance glass membrane, it guarantees fast response time and excellent thermal stability. DFRobot FIT0348

Module with 6 QTRX type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4406

The set contains: MQ-5 Gas Sensor, Color Sensor, Flame Sensor, Hall Sensor, Infrared Reflective Sensor, Laser Sensor, Moisture Sensor, Rotation Sensor, Sound Sensor, Temperature-Humidity Sensor, Tilt Sensor, UV Sensor, Liquid Level Sensor. Modules compatible with Arduino

Ambient light sensor housed in a transparent hemisphere and waterproof housing. It supports a detection range of 0 to 65535 lux and communicates via an I2C interface. DFRobot SEN0562

The GR10-30 sensor module, which can recognise up to 12 user gestures from a distance of up to 30 cm. It supports communication via both UART and I2C interfaces. DFRobot SEN0561

IR proximity sensor used to detect objects at a distance of 10mm to 80mm using infrared radiation. It is powered by 5 V and has a digital output. DFRobot SEN0556

Analogue current sensor module. Allows measurement of AC and DC currents up to 50 A. DFRobot SEN0098-V2

MMA8451 Triple-Axis Accelerometer w/ 14-bit ADC, detects motion, tilt and basic orientation, wide usage range: from +-2g up to +-8g, easy to use with Arduino or another microcontroller. Adafruit 2019.

Module with a 3-axis magnetometer based on the BMM150 chip. It communicates via an I2C or SPI interface. Waveshare BMM150 3-Axis Magnetometer Sensor

Module with SHT30 temperature and humidity sensor designed for Wemos D1 Mini

SEN-13676

LTR390-UV UV light sensor module. Allows measurement of ultraviolet and visible light intensity. Equipped with a Gravity connector, it communicates via an I2C or UART interface. DFRobot SEN0540

Module with 3-axis accelerometer ADXL343 and precise temperature sensor ADT7410 dedicated to Feather series boards. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4147