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

Long, flexible, pressure sensor that can be used to implement very sensitive force detection. The sensor is durable and designed to detect static and dynamic pressure at high response speeds. DFRobot SEN0293

The GP2Y0A60SZ offers a wide detection range of 4″ to 60″ (10cm to 150cm) and a high update rate of 60Hz. The distance is indicated by analog voltage - only a single analog input is required to interface with the module. Pololu 2476

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±30 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 5451

Liquid Level Sensor

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 5450

SEN-12969

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 (Qwiic). SparkFun SEN-15440

Compact Pololu 5292 current sensor based on the ACS37220 IC, designed for measuring currents up to ±100 A at a 5 V supply voltage in applications requiring galvanic isolation and an analog output. Pololu 5292

A precision reflective sensor utilizing an IR diode and a phototransistor to measure light reflected from a surface. It offers an analog voltage output proportional to the reflected light and an optimal measurement range of 10 mm. Its low power consumption and compact size make it ideal for line-follower robots, edge detection systems, and educational projects. Pololu 4440

Precision Hall effect current sensor offering galvanic isolation, wide bandwidth of 150 kHz and the ability to measure AC and DC current with very low power loss. Thanks to differential measurement and immunity to magnetic interference, it is perfect for applications requiring accurate current monitoring, such as power supplies, converters or motor control systems. Pololu 5291

Module with 3-axis magnetometer MAG3110, I2C, RoHS

Module with a 3-axis magnetometer BMM150. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020492

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

ENS160 gas sensor module to measure the concentration of carbon dioxide (eCO2) and volatile organic compounds (TVOC) in the air. It communicates via an I2C or SPI interface. SparkFun SEN-20844

A small module with a GY-PAJ7620U2 gesture detection sensor. Can recognize 9 gestures. Communication via the I2C interface.

Laser sensor module with a range of up to 50 m and an accuracy of 1 mm. Communication with the module takes place via the UART interface.

Module with a 3-axis BMA400 accelerometer with a measuring range up to ± 16g. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020582

Module with digital barometer ICP-10111. The system enables pressure measurement in the range from 300 to 1100 hPa with an accuracy of 1 Pa. DFRobot SEN0517

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