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MB1210 Ultrasonic Range Finder - XL-MaxSonar-EZ1
MB1210 Ultrasonic Range Finder - XL-MaxSonar-EZ1
US$60.13

This ultrasonic range finder from Maxbotix offers a lower hardware gain and a smaller, narrower detection zone than the MB1200. This makes the XL-MaxSonar-EZ1 a great choice for people detection applications.

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MB1230 Ultrasonic Range Finder - XL-MaxSonar-EZ3
MB1230 Ultrasonic Range Finder - XL-MaxSonar-EZ3
US$51.73

This ultrasonic range finder from Maxbotix offers increased sensitivity and a longer detection distance for small and medium sized targets. This has high noise tolerance and a narrow beam with more sensitivity than the MB1240.

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BOB-08688 TEMT6000 Breakout Board
BOB-08688 TEMT6000 Breakout Board
US$8.43
This is a breakout board for the TEMT6000 Ambient Light Sensor. Only what you need, nothing you don't. Sensor acts like a transistor - the greater the incoming light, the higher the analog voltage on the signal pin.
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US1881 - Hall Effect Sensor
US1881 - Hall Effect Sensor
US$2.09
This is an integrated Hall effect latched sensor. Holding a magnet near the sensor will cause the output pin to toggle. This makes for a robust presence sensor.
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7BB-20-6L0 Piezo Element
7BB-20-6L0 Piezo Element
US$2.51
You can use these for tap or knock sensors pretty easily by reading the voltage on the output. They can also be used for a very small audio transducer such as a buzzer.
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SEN-00241 Infrared Emitters and Detectors
SEN-00241 Infrared Emitters and Detectors
US$2.73
Side-looking Infrared Emitters and IR Detectors. These simple devices operate at 940nm and work well for generic IR systems including remote control and touch-less object sensing.
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GP2Y0A02YK0F - Infrared Proximity Sensor Long Range
GP2Y0A02YK0F - Infrared Proximity Sensor Long Range
US$12.60

This is a long range infrared proximity sensor with an analog output. It has an analog output that varies from 2.8V at 15cm to 0.4V at 150cm with a supply voltage between 4.5 and 5.5VDC.

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SEN-08733 Infrared Sensor Jumper wire - 3-pin JST
SEN-08733 Infrared Sensor Jumper wire - 3-pin JST
US$2.49
This is a 3-pin JST connector with red, black, and yellow wire colors cut to a length of 5 inch out. This cable comes fully assembled as shown and connects directly to many different Sharp sensors. Quick and easy, this cable will save you 15-20 minutes over making your own wiring harness.
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TSOP38238 Infrared Receiver Diode
TSOP38238 Infrared Receiver Diode
US$2.73
This is a simple IR receiver for infrared remote control of your next project. With low power consumption and an easy to use package, it mates well with embedded electronics and can be used with common IR remotes.
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QRD1114 - Optical Detector / Phototransistor
QRD1114 - Optical Detector / Phototransistor
US$2.09
This is ideal for sensing black-to-white transitions or can be used to detect nearby objects (.5-1cm). This sensor uses an infrared emitted diode combined with an infrared phototransistor to detect the reflected infrared signal.
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GP1A57HRJ00F - Photo Interrupter
GP1A57HRJ00F - Photo Interrupter
US$3.99
This is a sensor composed of an infrared emitter on one upright and a shielded infrared detector on the other. By emitting a beam of infrared light from one upright to the other, the sensor can detect when an object passes between the uprights, breaking the beam.

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BOB-09322 Breakout Board for Photo Interrupter GP1A57HRJ00F
BOB-09322 Breakout Board for Photo Interrupter GP1A57HRJ00F
US$3.02
A simple breakout PCB for the GP1A57HR photo interrupter. This PCB has three connections for PWR, GND, and Signal. When the gate is clear, SIG will be high (>4.9V). When the gate is blocked by a finger, writing utensil, food pellet, or anything else - SIG will go low (<0.4V).
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ROB-09454 QRE1113 Line Sensor Breakout - Digital
ROB-09454 QRE1113 Line Sensor Breakout - Digital
US$7.00

This is QRE1113 breakout board features a digital output, using a capacitor discharge circuit to measure the amount of reflection. This tiny board is perfect for line sensing when only digital I/O is available, and can be used in both 3.3V and 5V systems.

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SEN-08675 Magnetic Card Blank - Low Coercivity
SEN-08675 Magnetic Card Blank - Low Coercivity
US$1.33
This is a high quality, 30mil standard card with a low coercivity magnetic stripe. The stripe can contain up to 3 tracks of information. This card can be erased and written multiple times with a compatible writer.
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SEN-09376 Force Sensitive Resistor - Square
SEN-09376 Force Sensitive Resistor - Square
US$26.71
This is a force sensitive resistor with a square sensing area of 1.75x1.5". This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR its resistance will be larger than 1MΩ.
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