intelligent gesture recognition module equipped with an IR camera module PAG7646J1, PAG7661QN (ISP) and a LED for backlighting. Recognizes and interprets hand gestures by recognizing the image recorded by an infrared camera. Seeed Studio 101991067

Module with a reflection sensor (line sensor) RS-06WD. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020172

Module with a human presence and movement sensor designed based on the STHS34PF80 infrared sensor. Enables monitoring of radiation and ambient temperature within an 80° field of view. The sensor can precisely detect movement and presence within a range of 4 m. It uses the I2C or SPI interface for communication and has built-in Qwiic connectors. SparkFun SEN-23253

ST Microelectronics’ STTS22H digital temperature sensor module, featuring a Qwiic connector, offers accuracy from -40°C to 125°C without the need for additional calibration. The sensor consumes only 1.75 µA in single measurement mode, making it ideal for low-power applications, and additional features such as a configurable interrupt pin and the ability to select two I2C addresses increase its versatility. SparkFun SEN-21273

Module with a magnetic sensor based on a reed switch. Reacts to the action of an electromagnet or a permanent magnet

Module with light sensor (photoresistor). An analog output was led out on the XH2.54 connector

Water pressure sensor with 3-pin Gravity interface. It enables the measurement of liquid pressure in the range from 0 to 1.6 MPa. It is supplied with the voltage of 5 V and has a linear output voltage from 0.5 to 4.5 V. DFRobot SEN0257

ACS724LLCTR-2P5AB current sensor module with a DC and AC measurement range from -2.5 to +2.5 A. It communicates via an analog interface. Pololu 4040

BME280 integrates onboard temperature sensor, humidity sensor and barometer. It provides both SPI and I2C interfaces; and can be widely used in environmental monitoring, story height measurement and Internet of Things (IoT) control and so on. SEN0236

Module with a 3-axis magnetometer based on the BMM150 system. It communicates via the I2C or SPI interface. DFRobot SEN0419

Module with ENS160 gas sensor for measuring the concentration of carbon dioxide (eCO2) and volatile organic compounds (TVOC) in the air. It communicates via the I2C or SPI interface. Adafruit 5606

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

Module with 5 QTR 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 4205

LiDAR sensor using distance measurement technology based on the principle of triangulation. It offers a measurement range from 25 to 300 mm and a measurement frequency of 28 Hz, thanks to which it ensures fast and effective data acquisition in various environmental conditions. DFRobot DFR1030

Module with 5 balancing sensors for Balboa 32U4 balancing robot. Pololu 3577

PIR motion sensor module for Arduino and Raspberry Pi. DFRobot SEN0018

I2C BME680 Environmental Sensor is a gas, pressure, temperature and humidity sensor in one MEMS housing. The module is supplied with 3.3-5V, for communication the I2C or SPI interface is used. DFRobot SEN0248

Hall sensor module. It has a digital output on the XH2.54 connector

TMAG5273 Hall sensor module dedicated to detecting the presence, strength and direction of a magnetic field in three dimensions. It uses communication via the I2C interface and Qwiic connectors. SparkFun SEN-23880

Capacitive soil humidity sensor with I2C interface powered by 3-5V. Adafruit 4026