Module with three Hall sensors A3144E, which react to the failure of the magnet. It is powered with 5 V and has a digital output on the Grove connector. M5Stack U084

Pololu Carrier with Sharp GP2Y0D810Z0F Digital Distance Sensor 10cm

Module with a motion sensor that uses the Doppler effect to detect moving objects using microwaves. It is powered with the voltage of 5 V and has a digital output (Gravity connector). DFRobot SEN0192

Current-to-voltage converter module designed for devices with a current signal output. It allows linear conversion of current signals from 0 to 25 mA into voltage signals from 0 to 3 V. DFRrobot SEN0262

Compact Pololu 5294 current sensor based on the ACS37220 IC, designed for measuring currents up to ±200 A at a 5 V supply voltage in applications requiring galvanic isolation and an analog output. Pololu 5294

The Gravity Occupancy Sensor uses 24 GHz FMCW radar technology, enabling precise presence detection at a distance of up to 8 meters and movement and distance measurement up to 12 meters. Thanks to its high resistance to environmental interference, it works reliably regardless of light, temperature or dust, effectively detecting both static and dynamic objects. Compatibility with Arduino, ESP32, Raspberry Pi and a simple Gravity interface make it an ideal solution for intelligent lighting, building automation and security systems. DFRobot SEN0610

DFRobot SEN0629 environmental module with a BME688 sensor enables precise measurement of temperature, humidity, pressure, and VOC, and supports AI-assisted gas analysis. Compatibility with I2C/SPI and broad functionality make it suitable for use in smart building systems, environmental monitoring, and industry.

Module with an obstacle sensor operating in the infrared band. Equipped with an XH2.54 connector, it has a digital output informing about the detection of an obstacle

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

A digital precision current sensor module that measures voltage, current and power of electronic modules and devices up to 26V and 8A with a relative error of ± 0.2%. DFRobot SEN0291

64 Mbit Pseudo-SRAM with SPI/QPI interface, auto refresh, burst linear and wrap modes, and configurable I/O interface (1-/4-bit) in SOP-8 package. High performance and low power consumption ideal for data caching in embedded systems and IoT devices

A digital temperature and humidity sensor module based on the SHT45 chip. It features a STEMMA QT/Qwiic connector and communicates via an I2C interface. Adafruit 5665

Module with 1 QTRX 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 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4301

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

The MQ-9 sensor allows the measurement of gas concentrations such as carbon monoxide, propane and methane. Sensor measuring range: 10 - 10,000 ppm

Force-Sensing Resistor - 0.2" Circle

A sensor for measuring the wind speed. It has a built-in Hall sensor and enables measurements in the range from 0 to 32.4 m/s. DFRobot SEN0483

360-degree laser scanner (LIDAR), with a range of up to 12 meters and measurement frequency up to 10 Hz (optimal value 5.5 Hz). DFRobot DFR0315

A module with a temperature and humidity sensor based on the AHT20 system. Equipped with a Gravity connector, it communicates via the I2C interface. DFRobot SEN0528

Adafruit Universal Thermocouple Amplifier MAX31856 is an amplifier module for thermocouples. It was based on the MAX31856 chip. The module is fitted with K, J, N, R, S, T, E or B thermocouples. The SPI interface is used for communication. Adafruit 3263