PololuPololu· Electronics
QTRXL-MD-01A Reflectance Sensor: 1-Channel, 7.5mm Wide, Analog Output, Long Range
Manufacturer part no. 4641
$3.37≈ 2.93 €
In stock — 235 units
- origin USA
- RoHS3
Estimated landed cost
| Item | €2.93 |
|---|---|
| Shipping | €25.00 |
| VAT (20%) | €5.59 |
| Total delivered | €33.52 |
Estimate for a single item delivered to mainland France, shipped from outside the EU: customs duty and clearance fees may apply and are charged by the carrier.
Volume pricing
| Qty | Unit price | Saving |
|---|---|---|
| ≥ 1 | $3.37 | |
| ≥ 5 | $3.10 | −8 % |
| ≥ 25 | $2.85 | −15 % |
Datasheets & documents
- 📄 Pololu QTR Reflectance Sensor Application Note
- 📄 Schematic diagrams of the QTR/QTRX/QTRXL Reflectance Sensor Arrays
- 📄 Dimension diagrams of the QTR/QTRX Reflectance Sensor Arrays
- 📄 3D models (STEP) of the QTR/QTRX Reflectance Sensor Arrays
- 📄 Drill guides (DXF) for the QTR/QTRX Reflectance Sensor Arrays
- 📄 Arduino library for the Pololu QTR Reflectance Sensors
- 📄 New products: 1- and 31-channel QTR HD reflectance sensor arrays
Specifications (automatically extracted)
Electrical
| Current | 1 A |
| Voltage max. | 5.5 V |
| Voltage min. | 2.9 V |
Mechanical
| Weight | 0.35 g |
Other characteristics
| Led current | 30 mA |
| Maximum current draw | 32 mA |
| Maximum range | 80 mm |
| Optimal range | 20 mm |
| Peak wavelength | 940 nm |
| Sensor count | 1 |
| Other pcb markings | 0J11310 |
| Output type | A (analog voltages) |
| Pcb dev codes | irs21k |
| Sensor type | QTRXL |
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 80 mm. This version features a high-performance QTRXL sensor with lenses and a high-brightness emitter for extra-long range.
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