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  <title>[elecena] Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - zmiany ceny</title>
  <description>QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current.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 high-performance, low-current QTRX sensors with lenses. Specifications:

* Pitch x sensors: 8mm x 13
* Size: 101.0 x 16.5 mm
* Output: analog
* Max current LED: 3.5 mA
* Max current board: 31 mA
* Optimal range: 10 mm</description>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 35.50 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2025-01-23</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 23.30 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2025-11-26</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 23.20 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2025-11-29</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 23.10 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2025-12-04</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 22.90 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2025-12-12</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 23.00 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2025-12-23</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 22.80 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2025-12-26</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 22.90 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-01-03</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 23.00 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-01-06</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 23.10 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-01-11</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 23.00 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-01-14</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 23.10 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-01-16</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 23.20 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-01-19</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 21.20 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-01-22</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 22.50 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-01-30</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 22.60 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-02-02</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 22.70 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-02-04</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 29.60 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-02-07</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 29.55 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-02-10</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 29.45 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-02-12</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 29.50 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-02-18</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 29.60 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-02-20</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 29.70 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-02-25</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 29.60 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-02-28</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 29.70 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-03-02</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 30.10 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-03-04</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 30.15 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-03-07</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 30.25 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-03-09</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 30.05 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-03-11</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 30.30 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-03-14</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 30.60 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-03-16</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 30.30 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-03-18</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 30.25 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-03-23</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 30.15 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-03-25</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 30.30 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-03-28</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 30.40 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-03-31</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 30.30 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-04-04</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.40 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-04-12</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.35 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-04-14</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.20 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-04-16</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.25 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-04-21</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.45 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-04-23</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.35 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-04-28</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.40 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-05-02</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.45 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-05-06</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.25 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-05-10</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.35 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-05-14</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.70 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-05-18</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.75 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-05-21</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.65 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-05-25</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.90 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-06-06</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.85 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-06-14</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 34.90 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-06-18</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 35.15 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-06-22</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 35.50 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-06-26</pubDate>
  </item>
  <item>
   <title>Pololu QTRX-MD-13A Reflectance Sensor Array: 13-Channel, 8mm Pitch, Analog Output, Low Current - 37.40 EUR</title>
   <link>https://elecena.pl/product/27741626/pololu-qtrx-md-13a-reflectance-sensor-array-13-channel-8mm-pitch-analog-output-low-current</link>
   <pubDate>2026-06-29</pubDate>
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