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5-Channel Reflectance Sensor Array for Balboa 32U4 Balancing Robot
This reflectance sensor module is designed specifically for use with the Balboa 32U4 balancing robot. It features five IR LED/phototransistor pairs that are great for identifying changes in reflectance on the ground directly underneath the Balboa (like detecting or following a black line on a white background). The sensor array offers dimmable brightness control, and each sensor provides an independent output that can be measured with a digital I/O.
| Description | Specs (7) | Pictures (16) | Resources (8) | FAQs (0) | On the blog (1) |
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Documentation and other information
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Pololu QTR Reflectance Sensor Application Note (Printable PDF)
Information about using the Pololu QTR reflectance sensors, including differences between A-type and RC-type sensors and sample oscilloscope screen captures of sensor outputs.
File downloads
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Schematic diagram of the 5-Channel Reflectance Sensor Array for Balboa 32U4 Balancing Robot (87k pdf)
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Dimension diagram of the 5-Channel Reflectance Sensor Array for Balboa 32U4 Balancing Robot (153k pdf)
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3D model of the 5-Channel Reflectance Sensor Array for Balboa 32U4 Balancing Robot (8MB step)
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Drill guide for the 5-Channel Reflectance Sensor Array for Balboa 32U4 Balancing Robot (30k dxf)
This DXF drawing shows the locations of all of the board’s holes.
Recommended links
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Balboa 32U4 Arduino library
The Balboa32U4 library for the Arduino IDE helps interface with the on-board hardware on the Balboa 32U4 control board as well as the optional 5-channel reflectance sensor array for the Balboa.
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Balboa 32U4 library documentation
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Arduino library for the Pololu QTR Reflectance Sensors
This library for Arduino makes it easy to interface with Pololu QTR Reflectance Sensors.
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