Infrared and Light Sensors

• Infrared phototransistor based reflectance sensor array
• Digital output/Analog Output 0-Vcc
• 3.3V to 5V operation
• Measures only 2.95" x 0.5" x 0.125" and weighs 3.09 grams

The Pololu QTR-8 Reflectance Sensor Array has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it

• Based on Avago ADJD-S371-Q999 Sensor
• Standard 0.1” pin spacing
• 2 Wire Serial interface
• Senses different colors

The Sparkfun Color Light Sensor Evaluation Board is based on the Avago S371-Q999 four-channel color sensor module. The module is based on a white LED with integrated RGB filters + clear channel A

• Light sensor measures 1 to 1000 lux
• Analog Interface
• Comes with 60cm sensor cable

The Phidgets Precision Light Sensor measures human perceptible light level in lux; its measurement range is from 1 lux (Moonlight) to 1000 lux (TV studio lighting). The sensor package includes a 60cm sensor cable. This sensor

• Detects Infrared Light from infrared remote controls and IR emitters
• Rechargeable from USB Port
• Green Power indicator and Orange IR indicator
• Compact Size

The Critical Velocity Infrared Tester, Rechargeable USB Powered detects infrared lights through infrared

• Detects ambient light density
• Works with Cds Photoresistor
• Analog voltage output: 0 to 5 Vdc
• Suitable supply voltage: +3 to 5Vdc
• Interface with microcontrollers and logic circuits
• Standard 3-pin PCB connector

The DFRobot Ambient

• Power supply: +5V
• Operating current: <10mA
• Operating temperature range: 0°C ~ + 50°C
• 3-wire output interface

The DFRobot Line Tracking Sensor for Arduino can detect the white lines in black and black lines in white. The single line-tracking signals can provide

• NXTSumoEyes detectable range upto 12"(30cm)
• Connect to any port of NXT
• Capable of detecting obstacles on front-left, front-right or straight ahead

The Mindsensors Dual Range, Triple Zone Infrared Obstacle Detector for NXT is designed to be those

• Light resistance: ~1k Ohm
• Dark resistance: ~10k Ohm
• Max voltage: 150V
• Max power: 100mW

The Mini Photocell Light Sensor is a very small photocell. A photocell changes (also called a photo detector, CdS or photoconductive cell) resistance depending on the amount

• Detects full range of colors
• Generates 24-bit color using on-board RGB LED
• Power requirements: 5.0 VDC
• RoHS Compliant

The Parallax ColorPAL Color and Light Sensor is a miniature color and light sensor which, through its RGB LED,

• High-resolution conversion of light intensity to frequency
• Communicates directly to a BASIC Stamp or SX microcontroller
• Stable over wide variety of temperatures
• RoHS Compliant

The Parallax Light to Frequency Converter TSL230R sensor precisely measures light intensity using

• Capable of analog or digital outputs
• Unfocused for sensing diffused surfaces
• Easily interface with any Parallax microcontroller
• RoHS Compliant

The Parallax QTI Light Sensor uses a QRD1114 infrared (IR) reflective sensor determine the reflectivity of the surface below

• Versatile use of different sensors
• Angle and G-force sensors
• Compass navigation
• RoHS Compliant

The Parallax Sensor Sampler Kit is a sensor sampler kit that was put together to allow for the most versatile use of different sensors.

• Very small IR receiver
• Based on the TSOP85 receiver
• RoHS Compliant

This SFE IR Receiver Breakout for Vishay TSOP85 has all the filtering and 38 kHz demodulation built into the unit. Simply point an IR remote at the receiver, hit a button,

• Analog output
• Great for sensing objects up to 5 feet