Energy-saving environmental sensor, enabling precise measurement of temperature in the range from -40℃ to +85℃ and atmospheric pressure from 300 to 1100 hPa. Supports I2C and SPI interfaces, and thanks to the FIFO function allows to minimize energy consumption - even to 0.5 μA in standby mode. Compatible with Arduino, Raspberry Pi and Micro:bit, it is ideal for use in DIY projects, educational projects and weather stations. Seeed Studio 110992164

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 5256

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 5257

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

Compact light sensor that provides precise measurement of both illuminance (10–10000 Lux) and correlated color temperature (2700K–6500K), with low measurement errors. Thanks to I2C and UART interfaces, the sensor easily integrates with platforms such as Arduino or Raspberry Pi, making it an ideal tool for photographers, filmmakers and projects requiring lighting control. DFRobot SEN0611

Module with a humidity sensor. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020018

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 5235

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 5260

Module allowing collision / vibration detection (based on the MVS0608.02 system). Permitted to detect collisions irrespective of direction, provides high stability and is highly sensitive. The module has a connector in accordance with the Grove standard. Seeed studio 101020005

A module with a temperature and humidity sensor based on the AHT20 system. It communicates via the I2C interface. DFRobot SEN0527

Module with a 3-axis magnetic field sensor MMC5603. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 5579

Module with 13 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 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4353

A module with a high precision temperature sensor based on the MCP9808 chip. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 5027

Module with 13 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 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4313

Module with an integrated proximity and ambient light sensor based on the VCNL4040 system. It can detect obstacles in the range of 0 to 20 cm. It communicates via the I2C bus. Adafruit 4161

A precise ultraviolet radiation sensor enabling independent measurement of three UV ranges: UVA, UVB, and UVC. The module communicates with a microcontroller via an I²C interface and offers high measurement sensitivity, enabling detection of very low radiation levels. The I²C address can be changed, allowing for connection of up to four sensors on a single bus. The STEMMA QT/Qwiic board allows for easy connection to platforms such as Arduino, Raspberry Pi, and systems supporting CircuitPython. Adafruit 6476

Finder 18.31.8.230.0031 is a PIR sensor for flush mounting, controlling a single NO contact rated at 10 A at 230 V AC. Ideal for automatic indoor lighting control, it is mounted in suspended ceilings and ensures reliable and safe operation.

Module with 13 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 4413

Module with 25 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 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4225

Module with 7 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 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4347