Pololu 5242 with the ACS71240KEXBLT-050B3 chip is a compact current sensor module for precision measurement applications in the ±50 A range. With galvanic isolation, fast response to current changes, and short-circuit detection capability, it is used in power systems, automotive and industrial electronics, and embedded projects. It is ideal for measuring currents in both DC and AC circuits while ensuring safety and accuracy.

Non-contact temperature sensor. Used to measure the infrared intensity of an object to calculate the surface temperature without a contact point in the range -70 ... 380 ° C. DFRobot SEN0256

Optical rain sensor module for detecting the state of rainfall on glass. It is configured via the UART interface and returns rain intensity information via this bus. DFRobot SEN0545

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

Air quality sensor module based on the SGP40 system. It uses CMOSens technology by Sensirion and provides information on the concentration of volatile organic compounds (VOC). Adafruit 4829

Module with pressure and temperature sensor BMP280. It allows you to read the atmospheric pressure in the range from 300 to 1100 hPa and communicates via the I2C or SPI interface. Adafruit 2651

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 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 4447

Rain sensor consisting of a measuring module and a container. It provides users with information about the precipitation value in millimeters and system operation time via UART and I2C interfaces. DFRobot SEN0575

Module with a digital barometer LPS22. It enables pressure measurement in the range from 260 to 1260 hPa and communicates via I2C or SPI. Adafruit 4633

The DRV5032 Hall Effect Magnetic Field Detection Module is an energy-efficient module for IoT projects, positioning systems, and battery-powered devices. With its digital output, compact design, and wide supply voltage range (1.65 to 5.5 V), it can be easily integrated into a variety of applications, offering magnet detection without the need for continuous power consumption. Adafruit 6051

Module with a 3-axis magnetic field sensor LIS3MDL. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4479

Motion detection module featuring Panasonic\'s EKM series PIR sensor. The EKM series is optimised for detecting small movements and is ideal for detecting movement in a small area around the sensor. It offers digital output in 32 zones with a detection distance of 5 m and a detection area of 90° x 90°. SparkFun SEN-22000

Motion detection module featuring Panasonic\'s EKM series PIR sensor. The EKM series is optimised for detecting small movements and is ideal for detecting movement in a small area around the sensor. It offers digital output in 32 zones with a detection distance of 5 m and a detection area of 90° x 90°. SparkFun SEN-21999

Module with 3 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 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4243

Module with 3-axis accelerometer and ISM330DHCX gyroscope. Equipped with a STEMMA QT connector, it communicates via the I2C or SPI interface. Adafruit 4502

LiPo battery monitor module based on the MAX17043 chip. Allows the voltage and state of charge of the battery to be measured. SparkFun TOL-20680

Module with a 3-axis MMA7660FC accelerometer with a measuring range up to ± 1.5g. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020039

Module with pressure and temperature sensor BMP280. The board is equipped with a Grove connector and communicates via the I2C or SPI interface. Seeed Studio 101020192

The module with the tilt sensor, the sensor output is a digital signal. The module has a connector in accordance with the Grove standard. Seeed studio 101020025