Non-contact water turbidity sensor. It is capable of detecting the light transmittance and scattering coefficient of liquids in transparent cylindrical containers from 40 to 50 mm in diameter. It communicates via a UART interface. DFRobot SEN0554

Module with light intensity sensor TSL2591. Equipped with STEMMA QT connector with I2C interface. Adafruit 1980

Module with integrated BME688 gas, pressure, temperature and humidity sensor placed in one MEMS housing. It is equipped with an I2C interface. Adafruit 5046

Distance measurement tester designed for HC-SR04 ultrasonic sensor. It is equipped with a 3-digit 7-segment LED display showing the current measurement and a measurement processing system with UART output

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

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 a 3-axis magnetometer based on the BMM150 chip. It communicates via an I2C or SPI interface. Waveshare BMM150 3-Axis Magnetometer Sensor

Module with a 3-axis H3LIS331 accelerometer with a wide measurement range up to ± 400g. It communicates via the I2C or SPI interface. SparkFun SEN-14480

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

PMS7003 is a kind of digital and universal particle concentration sensor, which can be used to obtain the number of suspended particles in the air, i.e. the concentration of particles, and output them in the form of digital interface

An IMU module that adds a full 9-axis sensor suite to Feather boards for motion and orientation measurement. It combines an accelerometer, gyroscope, and magnetometer, providing stable and accurate data ideal for robotics, stabilization, wearables, and 3D motion analysis. The module communicates via I2C and features a STEMMA QT port for easy integration and solderless connection of additional sensors. Adafruit 4565

DFRobot Gravity analog light intensity module for Arduino and Raspberry Pi. DFRobot DFR0026

SEN0162 This UV Sensor with GUVA-S12SD chip is suitable for detecting the UV raditation in sunlight. It can be used in UV Index Monitoring, DIY project, UV-A Lamp Monitoring, Plants growing Environmental monitoring...etc.

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

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

Pololu 2450

A modern module that enables gesture control and detects the presence of people, ensuring privacy and fast offline interactions. Equipped with a camera and an AI processor, the sensor recognizes 5 hand gestures and detects up to 10 faces within a range of 3 meters, supporting I2C and UART communication, making it an ideal solution for IoT, smart homes and touchless systems. DFRobot SEN0626

SEN-11999

A modern current sensor combining the Hall effect with an inductive coil, which allows for precise measurements of both the DC and AC components up to 5 MHz. Thanks to its lightning-fast response time and low path resistance, it is perfect for motor control systems, power converters and protection systems. Pololu 5232

The ACS72981 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 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes energy loss and offers a fast response time of less than 2 µs. Pololu 5250