Sensors

The MAX4466 microphone amplifier with an electret microphone delivers high-quality sound in the 20 Hz - 20 kHz range. The module features smooth gain adjustment from x25 to x125. It is fully compatible with popular platforms such as Arduino, ESP8266, ESP32, and Raspberry Pi.

The product is ideal for sound detection systems, music-reactive lighting, audio recorders, and noise level meters. It ensures a stable output signal and excellent sensitivity in any professional or hobby electronics project.

The magnetic MC-38 reed switch is a reliable solution for monitoring doors and windows in Smart Home systems. It is an NO (normally open) sensor that closes the circuit at a distance of 15-25 mm. The device works seamlessly with Sonoff, Shelly, Arduino, and Raspberry Pi modules.

The product is well suited to alarm installations, cabinet security, and home automation projects. Maximum operating voltage is 200 V DC, and current is 100 mA. The compact housing allows quick and easy mounting.

The MQ-135 module is a versatile air quality sensor powered at 5V. It effectively detects pollutants such as CO2, ammonia (NH3), benzene, and smoke. The device has a built-in potentiometer for smooth sensitivity adjustment and dual signal output-digital and analog. Its compact size makes the sensor ideal for home monitoring stations, smart ventilation systems, and advanced projects on popular microcontrollers such as Arduino or Raspberry Pi.

The MQ-3 sensor is a precise module for measuring alcohol concentration in air in the range of 0.04 - 4 mg/l. It offers high sensitivity and immunity to other vapors. The device is powered at 5V and has two outputs: analog and digital with an adjustable trigger threshold via a potentiometer.

The module enables easy integration with microcontrollers. It works well in portable breathalyzers, vehicle ignition interlock systems, and air quality monitoring devices. It ensures stable operation and simple installation.

A compact PIR motion and dusk sensor for automatic control of 230V lighting up to 40W. The device switches power on for 30 seconds after motion is detected within 5 metres and a 120° angle. The built-in dusk sensor ensures economical operation only in dark areas. The module is ideal for lighting corridors, stairwells, building entrances, or controlling ventilation. The small design allows quick mounting in 20 mm diameter holes.

The JF-0530B pull solenoid with 12V power supply is a compact and versatile device with a maximum force of 5N and a load capacity of up to 0.5kg. Ideal for use in DIY projects with popular microcontrollers. The solenoid retracts the pin by 10mm when voltage is applied, making it useful in automation and robotics. Thanks to its small dimensions, it can be easily installed in small spaces.

The pulse oximeter, based on the chip MAX30100, allows pulse and blood oxygenation to be measured.

The module will find its use wherever there is a need to monitor exercise and overall body condition.

The sensor is able to return blood saturation and pulse data.

The microwave RCWL-0516 Doppler radar is an advanced motion sensor for Arduino and ESP. It uses waves at 3.15 GHz for precise object detection over 360° at distances up to 7 meters. The module is powered from 4 V - 28 V and produces a 3.3 V output signal. With high sensitivity and the ability to penetrate thin obstacles, it is ideal for security systems, smart lighting, and building automation. Compact dimensions make integration in small enclosures easy.

The optical distance sensor E18-D80NK NPN is a reliable device that detects objects within an adjustable range of 5 cm to 80 cm. Powered by 5V DC, it works with platforms such as Arduino, ESP8266, and Raspberry Pi. It features a fast response time below 2 ms and a digital output signal. The built-in potentiometer allows precise range adjustment. The sensor has reverse polarity protection and optical detection indication via an LED. Ideal for dynamic automation and robotics projects.

The side-mounted liquid level sensor is a reliable float switch with a maximum power of 60W and current of 500mA. The device features easy installation in an M12 hole and compact dimensions. It is well suited for monitoring water level in aquariums, protecting pumps from dry running, and in automation systems. The sensor is universal and easy to integrate with popular microcontrollers such as Arduino or Raspberry Pi, without requiring additional power.

Compact 2x3W stereo amplifier based on the PAM8403 IC in Class D. The module runs on 5V, offers high 90% efficiency and clear sound from 20Hz - 20KHz with 4-8 Ohm impedance. It includes a built-in potentiometer for precise volume control.

With compact dimensions of 28 x 20 x 15 mm, it is ideal for portable speakers, IoT notification systems, and projects with microcontrollers such as Arduino, ESP32, or Raspberry Pi.

Precise DS18B20 temperature sensor in a waterproof stainless steel housing. It has a long 5 m cable and measures from -55°C to 125°C with a supply voltage of 3.0 V - 5.5 V. The module is compatible with Arduino, ESP8266, ESP32, and Raspberry Pi platforms. It works excellently in aquarium applications, smart home systems, greenhouses, and heating installations. It offers high accuracy and resistance to harsh conditions.

Universal, waterproof NTC10K temperature sensor with a length of 3 metres, designed for precise measurements over a wide temperature range from -50°C to 120°C. Ideal for use in heating, air conditioning, refrigeration and solar systems. The sensor has a stainless steel cover and meets the IP65 standard for high water and dust resistance. Its compatibility with popular temperature controllers makes it the perfect solution for professional installations.

The BME280 module is a precise sensor that measures temperature, atmospheric pressure, and relative humidity. The device features low power consumption and operates from 1.7V to 3.6V, making it ideal for battery-powered projects. The sensor supports I2C and SPI communication interfaces. The product is compatible with platforms such as Arduino, ESP8266, ESP32, and Raspberry Pi. The module is well suited for weather stations, home automation systems, and IoT devices that collect environmental data.

The compact BME280 module is a precise temperature, pressure and humidity sensor powered at 5V. The device offers communication via I2C and SPI interfaces, ensuring easy integration with microcontrollers. Thanks to its miniature size, the module is ideal for building weather stations, Smart Home systems and monitoring microclimate in greenhouses. The integrated Bosch chip ensures high measurement accuracy-a reliable solution for monitoring atmospheric conditions.