Module with a smoke concentration sensor made in MEMS technology. It allows gas detection in the range of 10 to 1000 ppm and has an analog output. DFRobot SEN0570

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 SST Liquid Level Sensor provides single point liquid detection via a TTL compatible push/pull output. This optical liquid level sensor features a miniature design that allows for installation in areas where space is limited. SEN-13835

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.

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

Compact current sensor Pololu 5300 based on the CT432-HSWF20MR, designed for current measurement in the range from -20A to +20A at 5V supply in applications requiring galvanic isolation and analog voltage output. Pololu 5300

Flexible pressure sensor with dimensions of 400x15 mm. Designed to detect static and dynamic pressure at high reaction speed. DFRobot SEN0299

A miniature lidar distance sensor that detects objects up to 25 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 5480

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

Simple-to-use, open source solution for measuring weight and temperature with the ability to read multiple types of load cells and offers a simple-to-use serial menu to configure calibration value, sample rate, time stamp and units of precision. SEN-13261

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

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 5241

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

1.5 hPa resolution pressure sensor from Freescale. The sensor is soldered onto a PCB with 10K pull-up resistors on the I2C pins. Adafruit 992

Iduino SE049 is a simple and functional heart rate sensor, ideal for educational and hobbyist projects in the fields of electronics and bioengineering. Thanks to its compatibility with Arduino and intuitive operation, it allows for the creation of custom measurement devices such as pulse meters or smart health-monitoring wristbands. It is suitable for mobile and stationary applications as part of a diagnostic or training system.

Module with 4 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 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4204

URM04 v2.0 Ultrasonic Sensor

Finder 7T.81.0.000.2401 is an NC thermostat dedicated to monitoring temperature and protecting devices from overheating by cutting off power after exceeding a set threshold. It operates with a hysteresis of 7±4 K, supports current up to 10 A at a voltage of 250 V AC, and screw terminal mounting ensures easy installation in various applications, such as control cabinets or heating systems.

The Finder 7T.81.0.000.2301 is a Normally Open (NO) thermostat designed for precise temperature control in electrical systems. It operates from -20°C to +40°C, handling currents up to 10A at 250VAC, making it suitable for many industrial applications.

Finder 7T.81.0.000.2303 is a NO thermostat designed for DIN rail mounting, facilitating installation in industrial systems. It operates in a temperature range of 0°C to +60°C, with a hysteresis of 7±4 K, supporting a voltage of 250 V AC and a current of 10 A, which ensures precise temperature control and reliability in electrical applications.