A module with a temperature and humidity sensor based on the AHT20 system. It communicates via the I2C interface. DFRobot SEN0527

Module with a PIR motion sensor. It allows you to detect movement at a distance of up to 8 meters with a viewing angle of 60°. DFRobot SEN0522

This module is equipped with a 3-axis accelerometer and a 3-axis gyroscope, enabling precise measurement of motion and orientation. The MPU6050 chip with a built-in DMP engine allows for accurate monitoring of acceleration up to ±16 g and angular velocity up to ±2000°/s. The module communicates via UART or I2C and can interface with additional sensors, facilitating integration with robotic projects, drones, and motion control systems. Elecrow CRT02122G

Module with a light intensity sensor LTR-329. It offers a measuring range from 1 to 65535 lux and a 16-bit resolution. Communication takes place using I2C. Adafruit 5591

Module with digital light intensity sensor MAX44009. It is supplied with the voltage from 1.7 to 3.6 V and communicates via the I2C interface. GY-49

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

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 interface. Pimoroni PIM472

Module with temperature and humidity sensor. It allows you to measure temperature in the range from 5 to 50°C and humidity in the range from 10 to 90%. The module communicates via the I2C interface. SparkFun SEN-11295

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 light sensor and a proximity sensor up to 5 cm. It allows you to read the illuminance from 0.01 to 64000 lux and communicates via the I2C interface. Pimoroni PIM413

Module with 7 QTR type optocoupler with RC (digital) 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 4147

Crowtail-Microwave Sensor 2.0 is a motion sensor module based on the Doppler effect, designed for integration with Arduino and Crowduino platforms. Thanks to its resistance to environmental factors, it is suitable for industrial automation, security systems and smart installations.

Module with 13 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 4253

Module with BME280 environmental sensor. It allows you to measure temperature, humidity and pressure. The sensor is equipped with two communication interfaces: SPI and I2C. SparkFun SEN-13905

Module with 25 QTR type optocoupler with RC (digital) output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4125

A module with a sensor used to measure the activity of the heart. It allows you to strengthen and extract the heartbeat signals from biomedical electrodes. It has an analogue output and a heartbeat indicator (LED). SparkFun SEN-12650

This 3-axis magnetometer enables precise magnetic field measurement in the X, Y, and Z axes within a range of ±133 mT or ±266 mT. The system is equipped with a 12-bit ADC and a CORDIC angular calculation engine, which allows for positioning within a range of 0–360°, making it suitable for applications such as magnetic encoders, robotics, and positioning systems. Communication is via an I2C interface with CRC support and speeds up to 1 MHz, and the module is compatible with 3.3V and 5V logic. STEMMA QT/Qwiic connectors enable quick connection. Adafruit 6490

Module with a UV light sensor LTR390-UV. It allows you to measure the intensity of ultraviolet radiation and visible light. It communicates via the I2C interface. Waveshare UV Sensor (C)

Miniature air quality sensor described by the manufacturer as World\'s Smallest Fanless Air Quality Sensor, measurement of PM1, PM2.5 and PM10, I2C/SPI communication, operating voltage 3.3 V. DFRobot SEN0663