Sensors

The KY-021 Reed Switch Module is a compact magnetic field detection module designed to detect the presence or absence of a nearby magnet. It uses a normally open (NO) reed switch enclosed in a hermetically sealed glass tube that closes when exposed to a magnetic field, producing a digital output...

The KY-025 Reed Switch Module is a magnetic field detection module designed to sense the presence or absence of a magnet using a normally open reed switch. The module integrates a sealed glass reed switch with an LM393 comparator, providing both analog (AO) and digital (DO) outputs for flexible interfacing...

The KY-032 Infrared Obstacle Avoidance Sensor Module is a compact proximity sensor designed to detect nearby objects using reflected infrared light. The module combines an infrared LED transmitter and a 38kHz infrared receiver to detect obstacles without physical contact. When an object enters the sensing range, the reflected infrared signal...

The TCRT5000 IR Sensor Module is a high-performance reflective infrared sensor designed for object detection, line tracking, edge detection, and proximity sensing. It combines the TCRT5000 infrared emitter and phototransistor with an LM393 comparator, providing both analog (AO) and digital (DO) outputs for versatile applications. The sensor operates by emitting...

The TCRT5000 IR Sensor Module is a reflective infrared sensor designed to detect the presence of nearby objects, distinguish between light and dark surfaces, and perform line tracking with high accuracy. The module integrates a TCRT5000 infrared emitter and phototransistor along with an LM393 comparator, providing both analog and digital...

The SW520D Ball Switch Tilt Sensor is a compact mechanical tilt sensor designed to detect changes in orientation, inclination, and vibration. It contains two conductive contacts and an internal rolling metal ball that opens or closes the electrical circuit depending on the sensor's position. When the sensor is tilted beyond...

The LDR Light Sensor Digital Module is a compact ambient light detection module that uses a Light Dependent Resistor (LDR) and an LM393 voltage comparator to detect changes in light intensity. Unlike analog LDR modules, this module provides a digital output, making it ideal for applications where a simple light/dark...

This pair of High power directional IR LED and Filtered photodiode can be used in various kinds of sensing circuits. The narrow beamwidth IR LED emits focused IR light and the filtered photodiode filters out ambient light without the need of any external circuit. When used with a proper circuit...

The KY-018 Photosensitive Resistor Sensor Module is a compact light detection module that uses a Light Dependent Resistor (LDR) to measure ambient light intensity. As the surrounding light level changes, the resistance of the LDR varies, producing an analog voltage that can be read by a microcontroller for accurate light...

The KY-013 Analog Temperature Sensor Module is a compact and easy-to-use temperature sensing module that uses a high-precision NTC (Negative Temperature Coefficient) thermistor to measure ambient temperature. Unlike digital temperature sensors, the KY-013 provides a continuously varying analog voltage that changes according to the surrounding temperature, allowing microcontrollers to perform...

The KY-028 Digital Temperature Module is a compact temperature sensing module designed to detect ambient temperature using a high-sensitivity NTC thermistor and an LM393 voltage comparator. The module provides both analog and digital outputs, allowing users to monitor continuous temperature changes or trigger events when a preset temperature threshold is...

The KY-036 Metal Touch Sensor Module is a simple touch detection module designed to sense contact with conductive objects such as a human finger or metal surface. The module uses a metal touch pad and an LM393 comparator to detect changes in electrical conductivity and capacitance, providing both analog and...