PololuPololu· Electronics
QTR-MD-13RC Reflectance Sensor Array: 13-Channel, 8mm Pitch, RC Output
Manufacturer part no. 4153
$16.43≈ 14.27 €
In stock — 18 units
- origin USA
- RoHS3
Estimated landed cost
| Item | €14.27 |
|---|---|
| Shipping | €25.00 |
| VAT (20%) | €7.85 |
| Total delivered | €47.12 |
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 | $16.43 | |
| ≥ 5 | $15.12 | −8 % |
| ≥ 25 | $13.91 | −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: 16 more QTR reflectance sensor arrays
Specifications (automatically extracted)
Electrical
| Voltage max. | 5.5 V |
| Voltage min. | 2.9 V |
Mechanical
| Weight | 6.2 g |
Other characteristics
| Led current | 30 mA |
| Maximum current draw | 220 mA |
| Maximum range | 40 mm |
| Optimal range | 5 mm |
| Peak wavelength | 940 nm |
| Sensor count | 13 |
| Sensor pitch | 8 mm |
| Other pcb markings | 0J11744 |
| Output type | RC (measurable by digital I/O) |
| Pcb dev codes | irs45d |
| Sensor type | QTR |
Description
This array of IR LED/phototransistor pairs 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 and separate controls for the odd and even emitters. 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 40 mm. This version features the traditional-style QTR sensors without lenses.
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