Electronics » Sensors » Pololu QTR Reflectance Sensors »
QTR-8RC Reflectance Sensor Array
 
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This sensor module has 8 IR LED/phototransistor pairs mounted on a 0.375" pitch, making it a great detector for a line-following robot. Pairs of LEDs are arranged in series to halve current consumption, and a MOSFET allows the LEDs to be turned off for additional sensing or power-savings options. Each sensor provides a separate digital I/O-measurable output.
Compare all products in Pololu QTR Reflectance Sensors.
| Description | Specifications (0) | Pictures (12) | Resources (7) | FAQs (0) |
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QTR-8RC reflectance sensor array. |
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Schematic diagram of the QTR-8RC reflectance sensor array. |
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QTR-8A reflectance sensor array with included 25-pin 0.1" header strip and 100 Ohm through-hole resistor. |
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The QTR-8A reflectance sensor can separate into two smaller, functional arrays of length 2 and 6. |
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The bottom of the QTR-8A reflectance sensor array PCB, showing silkscreen labeling. |
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Solder the included resistor to the 2-sensor array piece as shown to make the separated piece functional. |
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QTR-8A and QTR-8RC reflectance sensor array dimensions. |
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QTR-8x reflectance sensor array with 8×2 connection pins labeled. |
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QTR-8x reflectance sensor array with 11×1 connection pins labeled. |
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QTR-8A reflectance sensor array on a 3/4" line with a quarter for size reference. |
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QTR-1RC output (yellow) when 1/8" above a white surface and microcontroller timing of that output (blue). |
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QTR-1RC output (yellow) when 1/8" above a black line and microcontroller timing of that output (blue). |
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