Pololu 2450

An optical particle sensor that uses laser scattering and Sensirion\'s innovative contamination resistance technology. It enables users to measure mass concentration and particle number. SparkFun SEN-15103

Module with OTP-538U non-contact temperature sensor. The board is equipped with a Grove connector and has analog outputs. Seeed Studio 101020062

Module with an incremental encoder with a rotation range of 360°. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 111020001

Module with air quality sensor SGP30. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020512

Module with light sensor - LS06-S phototransistor. The board is equipped with a Grove connector and has an analog output. Seeed Studio 101020173

The ACS71240 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 120 kHz) and low conduction resistance (0.6 mΩ), it minimizes energy loss and offers a fast response time of less than 5 µs. Pololu 5243

Educational module for measuring force in the range from 30 g to 1.5 kg, based on a flexible material that responds with a change in the analog signal. Thanks to its small thickness (0.4 mm), fast response and compatibility with Arduino, micro:bit and Unihiker, it is ideal for teaching physics, engineering and DIY projects. DFRobot SEN0616

The ACS71240 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 120 kHz) and low conduction resistance (0.6 mΩ), it minimizes energy loss and offers a fast response time of less than 5 µs. Pololu 5244

Module with a digital temperature and humidity sensor based on the SHT31-F system. Communication via the I2C interface. DFRobot SEN0332

Precise sensor measuring UV radiation in the range of 240 to 370 nm, directly outputting UV index value (0-11) and hazard level (1-5). Thanks to I2C and UART interface support and compact design, it is ideal for environmental monitoring, health protection and optimization of photovoltaic installations. DFRobot SEN0636

The ACS71240 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 120 kHz) and low conduction resistance (0.6 mΩ), it minimizes energy loss and offers a fast response time of less than 5 µs. Pololu 5245

The ACS71240 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 120 kHz) and low conduction resistance (0.6 mΩ), it minimizes energy loss and offers a fast response time of less than 5 µs. Pololu 5246

The HC-SR04 ultrasonic sensor module is commonly used in conjunction with Arduino to precisely measure distances ranging from 2 cm to 500 cm, with a resolution of 3 mm. It is a good choice for projects in the field of robotics, automation and security systems. It works on the principle of emission and reception of ultrasonic waves. It works with microcontroller platforms such as Arduino, Raspberry Pi, ESP32 or STM32. modHC-SR04

The STEVAL-MKI079V1 board enables demonstration and testing of the dual-axis LPR430AL gyroscope in analog or digital mode. The built-in microcontroller and USB interface facilitate signal analysis and the development of MEMS sensor-based applications in measurement and control systems.

BMP390 digital barometer module. Measures pressure from 300 to 1250 hPa and temperature from -40℃ to 85℃. It communicates via an I2C or SPI interface. Waveshare BMP390 Barometric Pressure Sensor

This V2 Rotation Sensor  is arduino compatible multi-ring rotation sensor. It is based on multi-turn precision potentiometer. It can rotate upto 10 laps. DFR0058

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±10 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and its low current path resistance (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5452

ToF laser rangefinder. It enables detection of many objects, has a field of view of about 25 ° and is able to detect objects at a distance of up to 5 m. Communicating via the I2C interface. Pololu 3416

Module with a distance sensor with a range of up to 130 cm. It has a digital output that generates a pulse with a width proportional to the measured length. Pololu 4071