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This is a Diffuse reflection IR switch sensor module, use it to detect objects in front of the sensor.  It comes with a transmitter and receiver, can detect objects within 500mm.  This sensor connects to a Electronic Brick Shield or the Electronic Brick Chassis to use this module...

This motion sensor is easy to use. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will go low.SpecificationType: DigitalSupply Voltage: 3~5VCurrent: 50µAWorking temperature: 0C ~ +70COutput level (HIGH): 4VOut..

The Sharp Optical Dust Sensor (GP2Y1010AU0F) is especially effective in detecting very fine particles like cigarette smoke and is commonly used in air purifier systems.   An infrared emitting diode and a phototransistor are diagonally arranged into this device, to allow it to detect the reflect..

The flame sensor can be used to detect fire or other wavelength at 760 nm ~ 1100 nm light. In the fire-fighting robot game, the flame plays an important role in the probe, which can be used as the robot's eyes to find fire source or football. It can make use of fire-fighting robots, soccer robots. ..

The line-tracking sensor has been re-invented by the ability to recognize two specific colors and output through digital or analog connections. In digital mode, users can have two color data recorded through simple button operation. Output will switch between high and low when each colour is detect..

This adjustable infrared sensor features a high-sensitivity photoreflector to perform distance detection ranging from 3cm to 50cm. When the infrared light emitted by the emitter gets reflected on a surface that blocked it, the phototransistor can pick up the signal for distance calculation. Also a p..

The reflectivity of infrared light varies with the colour and distance of the reflecting surface. According to this principle, Grove - Infrared Reflective Sensor utilizes a RPR220 reflective photosensor module to detect colour and distance. When a light-coloured object approaches, the signal intensi..

Grove - Infrared Reflective Sensor v1.2 can be used for detection of proximity and colour of objects. The reflective photosensor - RPR-220 used in this module consists of an infrared light emitting diode and a high sensitivity phototransistor. Light-coloured objects directly in front of the sensor w..

Line finder is designed for the line following robotic or application. It consists two parts - an Infra-Red emitting LED and an IR sensitive phototransistor. It can output a digital signal to a microcontroller so the robot can reliably follow a black line on a white background, or vice versa. Featu..

This brick includes a PIR motion sensor module. Max sentry distance is 7 meters. If anyone moves within that range, the Alarm pin will go high. The signal duration can be adjusted from 0.3s-18s by turning the yellow potentiometer. These bricks connect to a Electronic Brick Shield...