MP3 Shield VS1053 for UNO, microphone and TF slot, 5V

In Stoc

Shield with VS1053 audio decoder for Arduino Uno, ideal for MP3 playback from embedded projects. Integrates card slot, SPI interface for fast communication, stereo audio output for connection to amplifier or headphones, compatible with Arduino libraries for easy control of play, pause and volume.

13.26 €

12V alarm siren 120dB anti-burglar module

Alarm siren 12V, 120dB

In Stoc

Siren module for burglar alarm systems, provides a loud 120dB sound warning to be heard clearly from a distance. Operates on 12VDC power supply, emits at 3.8 kHz for a penetrating sound, has a transmission speed of 3 Hz for a distinct signal. Compact format, diameter 54 mm and height 48 mm, easy to integrate into security projects.

3.98 €

433MHz transmitter receiver set SYN115 SYN480R

Transmitter plus Receiver Set 433MHz SYN115, SYN480

In Stoc

TX RX 433MHz set for simple wireless transmission between two modules, ideal for IoT projects, remote controls and automation. Includes SYN115 transmitter and SYN480 receiver with ASK OOK modulation, high sensitivity for stable reception, transfer speed up to 10kbps, flexible power supply 1.8-3.6V at the transmitter and 3.3-5.5V at the receiver, compact dimensions for easy integration.

2.67 €

801S adjustable vibration sensor, analog output

Vibration sensor 801S Adjustable

In Stoc

Adjustable vibration sensor for shock and vibration detection in electronic projects and industrial equipment, with analog output for easy integration into microcontrollers and monitoring systems. Sensitivity is quickly adjusted with a potentiometer, offers stable and repeatable response, operates at common supply voltages, has a compact format for easy mounting on the board.

4.07 €

Vibration, motion, tilt sensor

In Stoc

Compact module for detecting vibrations, movement or tilt, ideal for burglar alarms, security projects and earthquake detection. Adjustable sensitivity from potentiometer for application adaptation, LOW or HIGH digital output for quick integration with microcontrollers, 3.3-5V operation with LM393 comparator for stable signal, board with mounting hole and dimensions 32 x 14 mm.

1.21 €

LM393 IR speed sensor

In Stoc

Ideal for measuring rotation speed and counting pulses in Arduino projects, this IR optical sensor with LM393 comparator provides stable digital 0 and 1 signals, operates at 3.3V to 5V for easy integration, has LED indicator for output status and a compact 32 x 14 x 7 mm format suitable for mounting in tight spaces.

1.61 €

Out-of-Stock

Waterproof temperature probe sensor DS18B20

Out-of-Stock

Waterproof temperature probe with stainless steel head, ideal for monitoring in humid environments or industrial applications. Works with Arduino and other development boards, communicates via OneWire and requires a 4.7k pull-up resistor on the DATA pin. Measures between -20 and 105°C, has a 1 m cable and 3 wires for easy connection.

1.70 €

SHT21 GY-21 temperature and humidity sensor

Precision Temperature and Humidity Sensor SHT21, GY-21

In Stoc

Ideal for precise temperature and humidity monitoring in IoT and automation projects, this module with SHT21 offers stable and fast measurements, I2C communication for easy integration with Arduino and Raspberry Pi, low consumption for long-term operation, compact breakout format suitable for prototyping and mounting in tight spaces.

9.21 €

DHT11 temperature and humidity sensor, module

DHT11 temperature and humidity sensor, Digital, 3.3-5V

In Stoc

Ideal for environmental monitoring in Arduino and automation projects, this digital sensor measures temperature and humidity with 3.3-5V power supply and stable digital output. It covers 20-95% RH with ±5% accuracy and 0-50°C with ±2°C accuracy, with a compact 32 x 14 mm format, easy to integrate into housings and modules.

1.22 €

DHT22 AM2302 temperature humidity sensor module

DHT22 AM2302 temperature and humidity sensor, original, module

In Stoc

Digital module for precise temperature and humidity measurement, ideal for Arduino projects and other development boards. It operates at 3.3V or 5V, uses original sensor for high stability and accuracy, offers reading on a single digital pin and includes mounting hole for quick integration into cases and panels.

7.80 €

DC Voltage Sensor 0-25V, 3.3-5V

In Stoc

Module for measuring DC voltage between 0 and 25V, ideal for projects with Arduino and other development boards. It operates on 3.3-5V power supply, offers good resolution of 0.00489V for stable readings, simply connects via the S pin to the analog input, has compact dimensions of 25 x 13 mm and can display live voltage together with an I2C LCD.

0.75 €

Ultrasonic sensor HC-SR04 module for Arduino

HC-SR04 ultrasonic sensor, distance 2–450 cm, 5V

In Stoc

Arduino compatible ultrasonic sensor, ideal for quick distance measurement and obstacle detection in robotics or automation projects. It operates at 5V, covers the range of 2 cm to 450 cm, offers accuracy up to 0.3 cm and simply connects via Trigger and Echo pins for easy integration into assemblies.

1.61 €

HC-SR04P ultrasonic sensor 3.3-5.5V for Arduino

LM393 soil moisture sensor Arduino compatible

Soil moisture sensor, hygrometer

In Stoc

Quickly monitors soil moisture for irrigation automation and IoT projects, compatible with Arduino and other development boards. Offers analog and digital output for flexible readings, uses LM393 comparator for stable switching, operates at 3.3V-5V and comes with included dupont cable for easy connection.

0.82 €

IR line tracking sensor, digital

In Stoc

Ideal for line follower robots and black and white contrast detection, this IR module offers stable digital output, operates at 5VDC and is compatible with Arduino and other development boards. It uses TCRT5000 sensor with a detection distance of up to 10mm, and the integrated 74HC14D improves noise immunity. Compact dimensions 35 x 10 mm for easy integration.

1.20 €

UV sensor, 200-375Nm, 3.3-5V

In Stoc

Compatible with Arduino and other development boards, this sensor measures UV radiation levels in the 200-375 nm range, providing 0-1V analog output for easy reading. It operates at 3.3-5V, has an accuracy of ±1 UV Index and good stability between -20 and 85°C, in a compact 19.8 x 15 mm format, ideal for UV monitoring and weather or IoT projects.

5.91 €

IR obstacle sensor, 3.3-5V

In Stoc

The IR obstacle avoidance module, ideal for Arduino and other boards, detects the proximity of objects and provides a digital signal on the OUT pin, confirmed by the LED on the board. It operates at 3.3-5V, has an adjustable distance via potentiometer up to 20 cm and a detection angle of 35 degrees, suitable for robots, automation and proximity projects.

0.64 €

Optical Sensor CNY70

In Stoc

Ideal for proximity or black-white contrast detection in automation and robotics projects, it includes an infrared LED and phototransistor in a compact housing, offers fast response and stable signal at short distances, mounts easily on PCBs and works reliably in line tracking, pulse counting or edge detection applications.

0.72 €

TCRT5000 reflective optical sensor for line tracking

TCRT5000 optical sensor, reflective

In Stoc

Reflective optical sensor for surface detection and line tracking in robots, combines infrared LED and phototransistor with variable analog output depending on reflection. Works optimally at 2.5 mm, emits at 950 nm, offers typical current 1 mA and includes filter to reduce the influence of ambient light.

0.70 €

Dust particle sensor, GP2Y1014AU0F, 5V

In Stoc

Sensor for monitoring fine dust, pollen or smoke particles in Arduino projects and other development boards, operates at 5V and has analog output for fast integration, good sensitivity for air quality measurements and stable response, low current with peaks up to 20mA. Comes with cable with connector, 220uF capacitor and 150 ohm resistor for easy connection.

9.00 €

PIR motion sensor, HC-SR501

In Stoc

PIR sensor for indoor motion detection, ideal for automation, alarms or lighting. It operates at 5-20VDC with low consumption, offers a detection angle of over 120 degrees and a distance of up to 7 m, and the delay time is adjustable between 0.8 and 18 seconds, with High or Low output selectable from the jumper.

1.57 €

Atmospheric pressure sensor, temperature BMP180

Atmospheric pressure, temperature sensor BMP180

In Stoc

Bosch BMP180 sensor module for measuring atmospheric pressure and temperature, ideal for Arduino projects and DIY weather stations. Allows altitude estimation with accuracy up to 1 m based on pressure variations, communicates quickly via I2C, operates at 1.8-3.6 V and offers stable high-resolution measurement in a compact 14 x 22 mm format.

0.89 €

Vacuum pressure sensor

In Stoc

The MD-PS002 vacuum pressure sensor is ideal for monitoring pressure in projects with Arduino and other development boards, offering measurement from absolute vacuum up to 150 kPa. It operates at 5VDC, is easy to integrate into industrial and electronic applications, and is suitable for control, automation, and testing in pneumatic systems.

2.77 €

APDS-9930 proximity and light sensor 3.3V

Gesture proximity sensor, ambient light, APDS-9930, 3.3V

In Stoc

Module with APDS-9930 for ambient light measurement and proximity detection, ideal for Arduino projects and compatible boards, operates at 3.3V and communicates quickly via I2C, offers up to 16 bit resolution for precise readings, includes programmable threshold interrupt and low power mode for minimal consumption between measurements.

1.96 €

SN04-N inductive proximity sensor NPN NO 10-30V

Inductive proximity sensor SN04-N, NO, 10-30V, NPN

In Stoc

3-wire NPN inductive sensor, ideal for non-contact detection of metal parts in automation and machinery. Switches on proximity up to 5mm and lights up the red LED for visual confirmation. NO operation, NPN output for easy integration at 10-30VDC, IP67 dust and water resistant housing, can also detect through thin non-metallic materials.

3.27 €

Pulse and heart rate sensor compatible with Arduino

Pulse sensor, heart rate

In Stoc

Optical sensor for measuring pulse and heart rate, ideal for Arduino projects and other development boards. It uses an integrated light emitter, receiver and amplifier to detect blood flow variations, offers easy-to-read analog output, operates at 3.3-5V and has a compact 16 mm PCB for quick integration into prototypes.

2.97 €

Capacitive soil moisture hygrometer sensor 5V v2.0

Capacitive hygrometer sensor, soil moisture, 5V, v2.0

In Stoc

Ideal for monitoring soil moisture in Arduino projects or irrigation automation, this capacitive sensor offers stable and durable measurement, without exposed metal electrodes. It has an analog output proportional to humidity, operates at 3.3-5V, low consumption of approximately 5mA and a compact 3-pin format, easy to integrate into assemblies.

1.08 €

LJ12A3-4-Z/BX inductive NPN proximity sensor 4mm

Inductive proximity sensor, LJ12A3-4-Z/BX, NPN, 6-36V

In Stoc

NPN inductive proximity sensor for precise detection of metal objects, ideal for autoleveling in 3D printers and Arduino projects. It operates at 6-36VDC, has a detection distance of up to 4mm, NPN normally open output for easy integration, compact M12 housing and 1m cable for quick installation.

3.22 €

GY-302 BH1750 Light Intensity Sensor for Arduino

Out-of-Stock

Light intensity sensor GY-302 BH1750

Out-of-Stock

Light sensor for precise measurement of illumination in projects with Arduino and other development boards, covers 0-65535 lx with a resolution of 1 lux, operates at 3-5 V, includes a 16-bit AD converter for stable readings, communicates quickly via the I2C interface and has a compact 18.5 x 14 mm format.

2.09 €

TEMT6000 ambient light sensor for Arduino

Ambient light sensor TEMT6000

In Stoc

Ideal for measuring light levels in Arduino projects and other development boards, it provides an analog signal that increases proportionally to light intensity for automatic lighting control and logging. It operates at 5VDC, has a maximum sensitivity of 570nm and a detection angle of +/- 60 degrees, making it easy to integrate into environmental monitoring applications.

1.78 €

Light sensor, photoresistor

In Stoc

Photoresistor for measuring light intensity in Arduino projects and simple automation, detects the presence of light and switches at the desired threshold adjustable from the potentiometer, operates at 3.3V to 5V, offers fast response and easy integration on development boards, ideal for automatic ignition, alarms or lighting control.

0.68 €

KY-018 photoresistive light sensor for Arduino

Photosensitive light sensor KY-018

In Stoc

Photosensitive module with photoresistor for measuring light level, ideal for Arduino projects and other development boards. Integrates 10k resistor for voltage divider, providing stable analog signal for reading on analog input. Operates at 3.3-5VDC, compact PCB mounting, suitable for automation, smart lighting and day/night detection.

0.56 €

KY-003 digital Hall magnetic sensor Arduino

3-axis magnetometer sensor HMC5883L GY-273

HMC5883L 3-axis magnetometer sensor

In Stoc

3-axis magnetometer module for measuring the magnetic field and creating a digital compass in Arduino or microcontroller projects, operates at 3-5VDC, uses QMC5883L chip, communicates via IIC for quick integration, compact 18 x 13 mm format suitable for applications with limited space.

7.07 €

INA219 current voltage sensor module I2C bidirectional with integrated shunt

Out-of-Stock

Bidirectional voltage current monitor sensor INA219

Out-of-Stock

Compact module for precise measurement of voltage, current and power in DC circuits, ideal for battery management, power supplies and industrial projects. Offers bidirectional current measurement, I2C communication for quick integration with Arduino, ESP32 or Raspberry Pi, integrated 0.1 ohm shunt resistor and calibrated values with typical error up to 1% for stable monitoring.

2.30 €

Water level sensor, liquid

In Stoc

Quickly monitor the level of water or other liquids in Arduino projects, providing stable analog measurement for automation and alarms. It operates at 3-5V, has a 40x16 mm detection area for accurate readings, low consumption over 20 mA and compact dimensions of 62x20x8 mm, easy to integrate into housings and DIY assemblies.

0.35 €

RCWL-0516 Doppler Radar Motion Sensor 3.3V detection

Out-of-Stock

RCWL-0516 Radar Doppler Sensor

Out-of-Stock

Compact solution for motion detection in automation and security systems, uses microwave radar for better coverage than PIR and can detect through certain materials. Offers 3.3V trigger output, distance and blocking time can be adjusted, and support for CDS photoresistor allows operation conditioned by ambient light.

1.23 €

Flame sensor 4 pins, Analog, Digital, 3-5V

In Stoc

Compact module for flame detection in Arduino projects and other 3.3V or 5V boards, offers analog and digital outputs for flexible integration, detects IR radiation 760-1100nm up to about 80cm with an angle of 80 degrees, includes LM393 comparator for stable signal and potentiometer for sensitivity adjustment.

1.16 €

MQ-2 gas sensor

In Stoc

Ideal for Arduino projects and safety systems, this sensor detects a wide range of gases such as LPG, H2, CH4, CO, alcohol, smoke and propane. It operates at 5VDC, offers analog or digital output for fast integration, covers concentrations from approximately 300 to 1000 ppm and allows simple monitoring by reading on A0 and displaying in Serial.

1.93 €

MQ-3 gas sensor for alcohol and ethanol 5V

MQ-3 Alcohol Ethanol Gas Sensor

In Stoc

Alcohol and ethanol vapor detection module, ideal for Arduino projects and safety automation. It operates at 5V and has low consumption, offers 0-5V analog output with variable level depending on concentration, plus TTL digital output for thresholds, simple integration thanks to the LM393 comparator.

3.02 €

MQ-4 Gas Sensor for methane and natural gas

Gas Sensor MQ-4 Methane Natural Gas

In Stoc

Methane and natural gas detection module, ideal for Arduino projects and leak monitoring systems. Operates at 5V, SnO2 sensor with good sensitivity in the range of 300-10000ppm, offers 0-5V analog output proportional to concentration and TTL digital output for settable thresholds, easy to integrate by reading on A0.

1.98 €

Gas Sensor MQ-5 natural gas, LPG, coal smoke

In Stoc

Ideal for Arduino projects and security systems, detects natural gas, LPG and coal smoke quickly and stably. Powered by 5VDC, consumption approx. 150mA, offers 0-5V analog output proportional to concentration and TTL digital output for thresholds, has good resistance to alcohol and smoke interference.

2.50 €

Gas Sensor MQ-6 LPG Propane Butane

In Stoc

MQ-6 based gas detection module for monitoring LPG, propane, butane and LNG leaks in Arduino projects or industrial systems. It operates at 5V, offers 0-5V analog output proportional to concentration and TTL digital output for thresholds, has good resistance to ethanol and smoke interference, fast integration by reading on analog or digital pin.

2.84 €

Gas sensor MQ-7 Carbon monoxide

In Stoc

Detects carbon monoxide in homes and DIY projects, with a measurement range of 10-1000 ppm. Operates at 5V and requires preheating for stable readings. Offers 0-5V analog output for precise value and TTL digital output with adjustable threshold from potentiometer. Can be used with Arduino or standalone.

2.32 €

MQ-8 Hydrogen Gas Sensor

In Stoc

The MQ-8 sensor is ideal for detecting hydrogen in Arduino projects and industrial monitoring applications, it operates at 5VDC with low consumption, has a 0-5V analog output that varies with the detected concentration and a TTL digital output for thresholds, and is resistant to interference with ethanol, CO2 and other gases for more stable measurements.

1.85 €

MQ-9 CO Gas Sensor

In Stoc

Module for detecting carbon monoxide and other combustible gases, ideal for Arduino projects and air monitoring systems. Detects 10-1000ppm CO and 10-1000ppm combustion gases, operates at 5V with low consumption, provides 0-5V analog output proportional to concentration and TTL digital output for alarm thresholds.

2.73 €

BMP280 atmospheric pressure, temperature sensor, 3.3V

In Stoc

The module for precise measurement of atmospheric pressure and ambient temperature in low-power projects, operates at 3.3V and is ideal for weather stations, altimeters and environmental monitoring. It offers I2C or SPI communication, good reading stability, compact size and excellent compatibility with Arduino, ESP32 and other development boards.

1.76 €

MQ-135 Air Quality Sensor 5V analog digital

Air quality sensor MQ-135

In Stoc

Air quality monitoring module, detects ammonia, gasoline vapor, smoke and other harmful gases, based on SnO2 which changes its conductivity depending on the pollution level. It operates at 5V with low consumption, offers 0-5V analog output for continuous measurement and TTL digital output for settable thresholds, easy to integrate with Arduino and other microcontrollers.

2.96 €

Sensors and Modules

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