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QTRXL-MD-01RC-S Reflectance Sensor - 1-channel reflectance sensor with RC output
ID: 1201226
zł16.36
Tax included
zł13.30 tax excl.
A reflective sensor that precisely measures the intensity of light reflected from a surface using an IR LED and a phototransistor. It offers a long detection range—optimally around 20 mm, and up to 80 mm—thanks to the QTRXL sensor with a built-in lens and adjustable LED brightness. It generates a digital RC signal that's easily read by microcontrollers like Arduino or Raspberry Pi. Pololu 4540
Description
QTRXL-MD-01RC-S is a reflectance sensor from Pololu based on a module featuring an infrared LED (IR LED) and a phototransistor, enabling precise measurement of light intensity reflected from nearby surfaces. Utilizing the QTRXL sensor with built-in lenses and a high-brightness emitter, this sensor provides exceptionally high sensitivity and an extended detection range. The device operates within a voltage range of 2.9 V to 5.5 V, and its LED can be controlled independently from the supply voltage, allowing dynamic brightness adjustment. The sensor outputs a digital RC signal, easily readable by controllers such as Arduino or Raspberry Pi.
The optimal detection range is around 20 mm, but objects with a high reflectivity factor can be detected from distances up to 80 mm. This makes the sensor an excellent choice for mobile robotics applications such as line-following robots, obstacle detection systems, or projects utilizing light reflection measurements to identify surface color and texture. Its compact PCB size allows installation in small constructions, while the side-mounted JST SH 4-pin connector ensures quick and secure connections.
The sensor is designed for easy integration with various electronic systems and is compatible with JST SH 4-pin cables, including SparkFun Qwiic and Adafruit STEMMA QT solutions (though it does not use the I²C interface). With a low current consumption of up to 32 mA at full LED brightness, the module can be powered directly from standard microcontroller outputs.
Features
- Sensor type: IR reflectance sensor with phototransistor
- QTRXL with built-in lens and adjustable LED brightness
- Operating voltage: 2.9 V to 5.5 V
- LED current at full brightness: 30 mA (independent of supply voltage)
- Maximum board current: 32 mA
- Optimal range: 20 mm
- Maximum detection range: approx. 80 mm
- Output type: digital RC signal
- Connector: side-mounted JST SH 4-pin (compatible with Qwiic/STEMMA QT, non-I²C)
- Brightness adjustment: 32 levels
- Dimensions: 8.1 × 15.2 × 6 mm
- Weight: 0.4 g
1201226
Data sheet
- Type of sensor
- Fototranzystor
- Output type
- digital
- Number of sensors
- 1
- Power supply voltage
- 2,9 - 5,5 V
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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