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  <title>[elecena] Spectrum Audio Shield - SparkFun DEV-13116 - zmiany ceny</title>
  <description>Shield dla Arduino wyposażony w filtr do graficznego wyświetlenia amplitudy sygnału audio. Pozwala podzielić dźwięk z obu kanałów stereo na 7 pasm i odczytać amplitudę każdego z nich przy pomocy wbudowanego w Arduino przetwornika A/C.</description>
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   <pubDate>2014-06-20</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 139.00 PLN</title>
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   <pubDate>2016-01-27</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 134.10 PLN</title>
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   <pubDate>2018-05-04</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 109.00 PLN</title>
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   <pubDate>2018-11-30</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 129.00 PLN</title>
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   <pubDate>2019-02-22</pubDate>
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   <pubDate>2019-04-02</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 129.50 PLN</title>
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   <pubDate>2021-03-30</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 131.00 PLN</title>
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   <pubDate>2021-09-03</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 149.00 PLN</title>
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   <pubDate>2022-02-10</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 179.00 PLN</title>
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   <pubDate>2022-06-25</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 139.00 PLN</title>
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   <pubDate>2022-12-09</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 179.00 PLN</title>
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   <pubDate>2023-03-17</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 169.00 PLN</title>
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   <pubDate>2023-06-15</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 152.10 PLN</title>
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   <pubDate>2024-06-20</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 169.00 PLN</title>
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   <pubDate>2024-09-21</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 149.00 PLN</title>
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   <pubDate>2024-09-27</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 134.10 PLN</title>
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   <pubDate>2025-06-28</pubDate>
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   <title>Spectrum Audio Shield - SparkFun DEV-13116 - 149.00 PLN</title>
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