Description
This IR LED/phototransistor pair is great for precisely identifying changes in reflectance (like line detection). It operates from 2.9 V to 5.5 V and offers dimmable brightness control independent of the supply voltage. In general, the closer the object, the higher the contrast between light and dark readings, but high-reflectance objects are generally detectable out to around 30 mm. This version features a traditional-style QTR sensor without lenses.
Specifications:
- Dimensions: 7.5 × 20.0 × 2.5 mm
- Operating voltage: 2.9 V to 5.5 V
- Sensor type: QTR
- Sensor count: 1
- Full-brightness LED current: 30 mA (independent of supply voltage)
- Max board current: 32 mA
- Output format: digital I/O-compatible signal that can be read as a timed high pulse
- Optimal sensing distance: 5 mm
- Maximum recommended sensing distance: 30 mm
- Weight: 0.35 g
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