A miniature lidar distance sensor that detects objects up to 50 cm away, regardless of color, transparency, or lighting. It generates a digital signal (0 V on detection), operates in the 3-5.5 V range, draws only 30 mA, and supports sleep mode via the ENABLE pin. Ideal for robotics, automation, and contactless interfaces, it offers a fast response time (100 Hz), switching hysteresis, and a compact housing with an indicator LED. Pololu 5481

Finger Vein Scanner Module (B) is a thin, energy-efficient biometric module with finger vein detection based on a Cortex-M4F microcontroller, designed for precise user identification in security applications. NIR technology enables effective recognition regardless of the skin surface condition, making the module a reliable alternative to traditional fingerprint readers. Thanks to its compact dimensions and a rich set of accessories, it facilitates integration with smart locks, door handles, access control systems, and compact IoT terminals.

Analogue current sensor module. Allows measurement of AC and DC currents up to 50 A. DFRobot SEN0098-V2

SEN-08685

SEN-11207 - Flexiforce Pressure Sensor - 25lbs (1" area)

Compact optical sensor based on the ITR9608 switch, which detects the presence of objects by interrupting a beam of light in a 5 mm gap. Thanks to high precision and compatibility with platforms such as Arduino or micro:bit, it is ideal for applications in robotics, automation and education. DFRobot DFR1129

Module with 11 QTR 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 4111

ST Microelectronics’ STTS22H digital temperature sensor module, featuring a Qwiic connector, offers accuracy from -40°C to 125°C without the need for additional calibration. The sensor consumes only 1.75 µA in single measurement mode, making it ideal for low-power applications, and additional features such as a configurable interrupt pin and the ability to select two I2C addresses increase its versatility. SparkFun SEN-21273

Precise Hall effect sensor that converts magnetic field intensity into analog voltage. Differential response to magnetic poles (voltage increases when approaching S pole and decreases at N pole) enables precise analysis of field direction and strength. High sensitivity, low noise and compatibility with platforms such as Arduino and micro:bit make the sensor ideal for industrial, educational and hobby applications. DFRobot DFR1132

LTR390-UV UV light sensor module. Allows measurement of ultraviolet and visible light intensity. Equipped with a Gravity connector, it communicates via an I2C or UART interface. DFRobot SEN0540

BMA400 3-axis accelerometer module with a measurement range of up to ±16g. The board is equipped with a Qwiic connector and communicates via an I2C interface. SparkFun SEN-21207

Ambient light sensor housed in a transparent hemisphere and waterproof housing. It supports a detection range of 0 to 65535 lux and communicates via an I2C interface. DFRobot SEN0562

LPS28DFW absolute pressure sensor module. The chip features a wide measurement range of 260 to 1260 hPa or 260 to 4060 hPa and a high accuracy of 0.5 hPa. It communicates via an I2C interface. SparkFun SEN-21221

BME688 integrated gas, pressure, temperature and humidity sensor module in a single MEMS housing. It is equipped with an I2C and SPI interface. It has built-in AI functions. Waveshare BME688 Environmental Sensor

LPS28DFW absolute pressure sensor module. The chip features a wide measurement range of 260 to 1260 hPa or 260 to 4060 hPa and a high accuracy of 0.5 hPa. It communicates via an I2C interface. SparkFun SEN-21222

A digital shock sensor that detects hand shake. The spring-type vibration switch allows you to output pulses when the user shakes once in a certain direction. DFRobot SEN0289

LPS22DF digital barometer module. It enables pressure measurement in the range from 260 to 1260 hPa and communicates via I2C or SPI. Pololu 2898

Motion detection module featuring Panasonic\'s EKM series PIR sensor. The EKM series is optimised for detecting small movements and is ideal for detecting movement in a small area around the sensor. It offers digital output in 32 zones with a detection distance of 5 m and a detection area of 90° x 90°. SparkFun SEN-21999

Module with 3 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 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4243

Module with pressure and temperature sensor BMP280. It allows you to read the atmospheric pressure in the range from 300 to 1100 hPa and communicates via the I2C or SPI interface. Adafruit 2651