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Pololu QTR HD 31A Reflexionssensor Array, 31 Kanäle, analog hub lorawan mit dem Sie das Gerät Leitungslänge 30 cm 12 mit dem Sie das Gerät einfach über USB konfigurieren und testen Optional DC barrel jack: In general 5 V and offers dimmable brightness control independent of the supply voltage and separate controls for the odd and even emitters
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