Sensors

The HC-SR04 Ultrasonic Sensor Module is a non-contact distance measurement sensor that uses 40kHz ultrasonic sound waves to accurately measure the distance between the sensor and an object. It consists of an ultrasonic transmitter, receiver, and control circuitry that calculate distance by measuring the time taken for the ultrasonic pulse...

The 8 Channel IR Infrared Sensor Array | Infrared Detection Module is a high-precision reflectance sensor array designed for accurate line detection, path tracking, and surface recognition in robotics and automation applications. Featuring eight independent infrared sensing channels, this module delivers high-resolution digital output for advanced line follower robots, maze-solving...

The AS608 Optical Fingerprint Sensor Module is a compact biometric identification module designed for fingerprint enrollment, recognition, verification, and user authentication applications. The module combines an optical fingerprint sensor, image-processing circuitry, fingerprint feature extraction, template storage, and matching functions in a single integrated unit. The sensor captures a fingerprint image...

The HR202 Humidity Detection Sensor Module is a compact resistive humidity sensing module designed for detecting changes in relative humidity (RH) and providing a threshold-based output for monitoring and control applications. The module uses an HR202 resistive humidity sensor together with an LM393 voltage comparator, allowing it to detect when...

The NTC Thermistor Digital Temperature Sensor Module is a compact and sensitive temperature detection module designed for temperature monitoring, threshold detection, overheat protection, alarm systems, and automatic temperature control projects. The module uses an NTC (Negative Temperature Coefficient) thermistor as its temperature-sensing element and an LM393 voltage comparator to provide...

The Weight Sensor – 5KG Load Cell is a strain-gauge-based force and weight measurement sensor designed to measure loads up to 5 kilograms. It converts mechanical deformation caused by an applied weight or force into a small differential electrical signal that can be amplified and processed by a microcontroller or...

The Heart Rate Oxygen Pulse Sensor – MAX30100/30102 is a compact optical biosensor module designed for measuring heart rate (pulse rate) and estimating blood oxygen saturation (SpO₂) in wearable, fitness, educational, and experimental monitoring projects. Depending on the supplied module variant, it is based on either the MAX30100 or MAX30102...

The MQ-135 Air Quality Gas Sensor Module is a semiconductor-based gas detection module designed to monitor indoor air quality by detecting a wide range of harmful gases, including ammonia (NH₃), nitrogen oxides (NOx), benzene, alcohol, smoke, carbon dioxide (CO₂), sulfide, and other volatile organic compounds (VOCs). Built around the MQ-135...

The Hall Magnetic Sensor Module is a magnetic field detection module designed to sense the presence, absence, or proximity of magnetic fields using the Hall Effect principle. The module typically incorporates a Hall Effect sensor and an LM393 comparator, providing both digital and analog outputs for easy interfacing with microcontrollers...

The TSOP38238 is a compact and highly reliable infrared (IR) receiver module designed for receiving and decoding infrared remote control signals operating at a carrier frequency of 38kHz. It integrates a photodiode, automatic gain control (AGC), band-pass filter, and demodulator circuit into a single package, providing clean digital output signals...

The 5mm LDR (Light Dependent Resistor), also known as a photoresistor, is a compact light-sensitive component that changes its resistance based on the intensity of light falling on its surface. When exposed to bright light, its resistance decreases significantly, while in darkness, the resistance increases to a very high value....

Rain Drop Detection Sensor Module is an electronic sensor module designed to detect the presence of raindrops or water droplets on its sensing surface. It is commonly used in Arduino projects, weather monitoring systems, automatic rain alarms, and smart home applications. The module typically consists of a rain-sensing plate and...