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QTR-1RC Reflectance Sensor (2-Pack)
The QTR-1RC reflectance sensor carries a single infrared LED and phototransistor pair in an inexpensive, tiny 0.5" x 0.3" module that can be mounted almost anywhere and is great for edge detection and line following. The output is designed to be measured by a digital I/O line. This sensor is sold in packs of two units.
| Description | Specs (3) | Pictures (8) | Resources (11) | FAQs (1) | On the blog (5) |
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QTR-1RC reflectance sensors with included optional header pins. |
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QTR-1A and QTR-1RC reflectance sensors plugged into a breadboard in two possible orientations. |
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QTR-1A reflectance sensor on a quarter for size reference. |
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QTR-1RC and QTR-L-1RC reflectance sensor schematic diagram. |
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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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QTR-L-1RC reflectance sensor on a quarter next to a QTR-1A reflectance sensor. |
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QTR sensor size comparison. Top row: QTRX-HD-07, QTR-HD-07; middle row: QTR-3, QTR-1, QTR-L-1; bottom row: QTR-8. |
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