Description
Description
- Pololu QTR-HD-25RC Reflectance Sensor Array: 25-Channel, 4mm Pitch, RC Output
- Detects reflectance changes with 25 infrared pairs
- Operates efficiently with 2.9 V to 5 V supply
- Optimized for 5 mm sensing; max at 50 mm
- Features adjustable brightness control
- Ensures reliable performance without lenses
The Pololu QTR-HD-25RC Reflectance Sensor Array: 25-Channel, 4mm Pitch, RC Output is an advanced tool designed for precise detection of reflectance changes, such as those required for line detection applications. This sensor array comprises 25 infrared LED/phototransistor pairs, which are adept at identifying variations in surface reflectivity. The device operates efficiently within a voltage range of 2.9 V to 5 V, and it features adjustable brightness control that functions independently of the supply voltage. Additionally, it provides separate control for the odd and even emitters, enhancing its versatility in various applications.
The sensor array is optimized for detecting objects at a distance of approximately 5 mm, although it can identify high-reflectance objects up to a distance of 50 mm. The output is compatible with digital I/O signals, which can be read in parallel as timed high pulses, facilitating integration with various electronic systems. The absence of lenses in this version maintains the traditional QTR sensor design, ensuring reliable performance in detecting reflectance changes.
Note: Ensure proper handling to avoid exposure to excessive current, which may damage the device.
- 1x Pololu QTR-HD-25RC Reflectance Sensor Array: 25-Channel, 4mm Pitch, RC Output
- 101.0 x 16.5 x 2.5 mm
- Operating voltage: 2.9 V to 5 V
- Sensor type: QTR
- Sensor count: 25
- Sensor pitch: 4 mm
- Full-brightness LED current: 30 mA
- Maximum board current: 405 mA
- Output format: digital I/O-compatible signals
- Optimal sensing distance: 5 mm
- Maximum recommended sensing distance: 50 mm
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