The MQ-8 module allows the measurement of hydrogen concentration in the air. It has an analogue output and an output triggered by exceeding the threshold of sensitivity.

A small module with a GY-PAJ7620U2 gesture detection sensor. Can recognize 9 gestures. Communication via the I2C interface.

A round, flexible, pressure sensor that can be used to realize very sensitive force detection. The sensor is durable and designed to detect static and dynamic pressure at high reaction speed. DFRobot SEN0294

Module with an analog AC current sensor in a set with a probe for non-contact measurement of alternating current with a current of up to 10 A. DFRobot SEN0288

ACS711EX Current Sensor Carrier -15.5A to +15.5A

Module with pressure, temperature and humidity sensor BME280. It allows to read the atmospheric pressure in the range from 300 to 1100 hPa and communicates via the I2C or SPI interface. Waveshare BME280 Environmental Sensor

Laser distance sensor with a measuring range from 0.1 m to 40 m. It has a high accuracy of ± 5 cm and a resolution of 1 cm. Benewake TF02-Pro

The module with the MAX30100 chip that monitors the oxygen content in the blood and the heart rate. It consists of two LED diodes, a photodetector, optimized optics and low noise analog signal processing. modMAX30100

Waveshare Photo Interrupter Sensor is an IR optical sensor module with Schmitt trigger and a signaling diode allowing the construction of an incremental encoder. Waveshare Photo Interrupter Sensor

The module allows to measure the occurrence and strength of precipitation (rain), has an LM393 system and an adjustable threshold for the digital output.

Optical distance sensor in the range of 10-80 cm with an analogue output, power supply 4.5-5.5V.

A module with a distance sensor GP2Y0E03 operating in the infrared band. The sensor measures between 4-50cm.

Digital temperature and humidity sensor with calibrated digital output signal. Equipped with a 2.5 mm 4-pin male stereo audio connector that works perfectly with the Sonoff TH10/TH16 socket. Sonoff Si7021

KAmodQTR8A is a module with eight photointerrupter sensors KTIR0711S. It allows to detect edge or line. Thanks to the analog outputs, is possible to connect a module to the e.g. comparator. The module can be used in analisze of the floor e.g. by Linefollower vehicles.

A sensor used to detect air pollutants by measuring VOCs and gases such as ammonia or hydrogen sulfide. It is used in various areas, such as the food industry, chemical industry, air quality control in laboratories and environmental monitoring. Figaro TGS2602

The sensor responds to chakra changes in the tissues by analyzing the reflected light (the module contains an illuminator and a sensor).

The module has a humidity sensor (accuracy ± 2% RH) and temperature with an accuracy of ± 0.3 ° C. Communication takes place via the I2C bus

Tilt sensor module with digital output. Equipped with an XH2.54 connector

Module with the MS5611 sensor, allowing measurement of atmospheric pressure. The module has a built-in 3.3 V voltage stabilizer. It comes with a connector for self-assembly. modGY-63

Scale module with aluminum tensometer beam, allowing weight measurement up to 2 kilograms. It has screw terminals. Can be used to make electronic scale. KAmodTENSOMETER2kg