Sensors & Modules
Showing 16–30 of 37 results
GY-302 BH1750 Digital Light Intensity Sensor Module
Digital ambient light sensor for accurate light-intensity measurement in Arduino, ESP32, Raspberry Pi and IoT projects. The GY-302 uses the BH1750 sensor to provide direct illumination readings in lux through an I2C interface, eliminating the analogue calculations normally required with LDR sensors.
Sensor: BH1750FVI
Measurement: Light intensity in lux
Supply: 3V–5V DC
Interface: I2C
Range: Approx. 1–65,535 lux
ADC: 16-bit
I2C Address: 0x23 / 0x5C selectable
Best For: Smart lighting, agriculture, environmental monitoring, robotics and IoT projects
HC-SR04 Ultrasonic Sensor Module | Distance Measurement for Arduino
Give your robot eyes. The HC-SR04 uses sonar (sound waves) to measure distance, just like a bat. It is the standard sensor for obstacle avoidance robots and water level monitoring systems.
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Range: 2cm to 400cm (4 Meters)
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Accuracy: 3mm
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Pins: VCC, Trig, Echo, GND
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Best For: Obstacle avoiding cars, reverse parking sensors, and tank level detection.
HC-SR501 PIR Motion Sensor Module | Infrared Detector for Arduino
Build your own burglar alarm or automatic light. The HC-SR501 detects human and animal movement by sensing body heat. It is the standard motion sensor for Arduino security projects.
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Range: Adjustable (3 to 7 meters)
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Output: 3.3V Logic (High when motion detected)
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Features: Adjustable Time Delay & Sensitivity
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Ideal For: Automated lighting, security systems, and robotics.
High Sensitivity Vibration Sensor Module (SW-1801P) | Shock & Shake Switch
Detect even the slightest tap. Unlike standard vibration sensors that require a hard shake, the SW-1801P High Sensitivity module can detect light knocks, impacts, and vibrations. Perfect for anti-theft alarms and "Smart Wake-Up" devices.
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Sensor Type: SW-1801P (High Sensitivity Spring).
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Output: Digital (High/Low).
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Adjustable: Blue Potentiometer to set sensitivity trigger.
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Best For: Anti-Theft Alarms, Earthquake Detection, and Smart Toys.
INMP441 I2S MEMS Microphone Module
The INMP441 I2S MEMS Microphone Module is a compact digital microphone for ESP32, Arduino, IoT, voice recognition, sound detection and audio recording projects. It provides clear digital audio output through the I2S interface, making it ideal for smart devices, voice-controlled systems and embedded audio applications.
IR Infrared Obstacle Avoidance Sensor Module | FC-51 for Arduino
Teach your robot to see. This sensor emits infrared light and detects reflections to see if an object is in front of it. It is the essential component for building "Obstacle Avoiding Robots" and simple security alarms.
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Detection Range: 2cm - 30cm (Adjustable).
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Output: Digital Signal (LOW when obstacle detected).
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Compatibility: Works directly with Arduino, ESP32, and Raspberry Pi.
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Best For: Robot Cars, Smart Trash Cans, and Proximity Alarms.
IRF520 MOSFET Driver Module (0-24V) | PWM Motor & LED Controller
The easiest way to drive 12V/24V loads. This breakout board allows your Arduino to control high-voltage devices like LED strips, DC motors, and solenoid valves using the IRF520 MOSFET. It features screw terminals for easy wiring—no soldering required!
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Max Load: 24V DC / < 5A.
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Control Voltage: 3.3V or 5V (PWM Compatible).
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Output: Pulse Width Modulation (Speed/Dimming control).
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Best For: LED Strips, Small DC Fans, and Solenoids.
JSN-SR04T Waterproof Ultrasonic Sensor Module
The JSN-SR04T Waterproof Ultrasonic Sensor Module is ideal for distance measurement, water level monitoring, smart dustbin systems, obstacle detection and outdoor Arduino or ESP32 projects. It comes with a waterproof ultrasonic probe, making it suitable for projects exposed to moisture, tanks and outdoor environments.
LDR Photosensitive Sensor Module (4-Pin) | Light Detector
Make your project react to light. This sensor detects the brightness of the environment. Unlike the 3-pin version, this 4-Pin Module gives you both a Digital Output (to trigger a switch) and an Analog Output (to measure exact brightness). Perfect for automatic streetlights and solar trackers.
- Sensor Type: Light Dependent Resistor (Photoresistor).
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Outputs: Digital (D0) & Analog (A0).
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Sensitivity: Adjustable via Blue Potentiometer.
- Best For: Automatic Lights, Sun Trackers, and Laser Tripwires.
MAX30102 Pulse Oximeter & Heart Rate Sensor Module (SpO2) – Arduino Compatible
The MAX30102 is a high-precision integrated pulse oximetry (SpO2) and heart-rate monitor biosensor module, perfect for DIY health tracking and wearable IoT devices.
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Sensor: MAX30102 (Upgraded from the older MAX30100)
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Measurements: Heart Rate (BPM) & Blood Oxygen Saturation (SpO2)
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Interface: I2C (Standard protocol)
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Operating Voltage: 3.3V – 5V
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Current: Ultra-low power consumption (ideal for battery wearables)
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Application: Fitness trackers, medical monitoring projects, STEM research
Micro SD Card Reader Module SPI Interface
The Micro SD Card Reader Module with SPI Interface enables Arduino and other compatible microcontrollers to read and write data to a microSD memory card. It is ideal for sensor data logging, recording measurements, storing configuration files and building electronic monitoring systems.
Key Features
- Standard SPI communication interface
- 6-pin connection: CS, SCK, MOSI, MISO, VCC and GND
- Onboard 3.3V voltage regulator and signal-level interface circuitry
- 5V power input for Arduino Uno applications
- Supports microSD and microSDHC cards, including FAT16/FAT32 file systems
- Four PCB mounting holes
- Compatible with Arduino SD library
- Ideal for data loggers, IoT projects and electronic monitoring systems
Note: MicroSD memory card is not included.
MQ-135 Air Quality & Hazardous Gas Sensor Module | CO2, Smoke, Ammonia
Detect smoke and dangerous gases instantly. The MQ-135 is the most versatile gas sensor for air quality monitoring. It detects a wide range of gases including Ammonia, Sulfide, Benzene, Smoke, and CO2. Perfect for "Smart Home" safety systems and environmental monitoring.
- Gases Detected: NH3, NOx, Alcohol, Benzene, Smoke, CO2.
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Output: Analog (Gas Concentration) and Digital (Alarm Trigger).
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Warm-up Time: ~20 seconds.
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Best For: Air Quality Monitors, Smoke Alarms, and Industrial Safety.
MQ-2 Smoke & Gas Sensor Module | LPG, Butane, Hydrogen Detector
Build your own Fire & Gas Leak Alarm. The MQ-2 is a dual-purpose safety sensor. It detects Smoke (from fires) and Combustible Gases (like LPG, Propane, and Butane). It is the standard module for building "Smart Kitchen" safety monitors.
- Detects: Smoke, LPG, Propane, Hydrogen, Methane.
- Sensitivity: High (Adjustable).
- Response Time: < 10s.
- Best For: Fire Alarms, Gas Leak Detectors, and Industrial Safety.
MQ-3 Alcohol Sensor Module | Breathalyzer & Ethanol Detector
Build your own Breathalyzer. The MQ-3 is specifically designed to detect alcohol (Ethanol) vapors. It has high sensitivity and fast response time, making it the perfect sensor for "Smart Car" safety systems that prevent drunk driving.
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Detects: Alcohol, Ethanol, Benzine.
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Sensitivity: Adjustable via Blue Potentiometer.
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Warm-up: Heater requires ~20 seconds.
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Best For: Breathalyzers, Drunk Driving Alarms, and Industrial Monitoring.
NEO-6M GPS Module V2 with Ceramic Antenna | Flight Controller & Tracker
Add Satellite Navigation to your project. This high-precision GPS module allows your Arduino, ESP32, or Drone to know its exact location, speed, and time. It comes with a detachable ceramic antenna and a built-in backup battery for fast "Hot Starts."
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Chipset: U-Blox NEO-6M.
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Antenna: High-gain Active Ceramic Antenna (Included).
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Data Retention: EEPROM + Battery (Saves configuration).
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Best For: Drone Flight Controllers, Vehicle Trackers, and Speedometers.