{{POLImage|Pololu-Zumo-Shield-Arduino-ajouter-detecteur-ligne-40.jpg|600px|Brochage du senseur}}
{{POLImage|Pololu-Zumo-Shield-Arduino-ajouter-detecteur-ligne-40.jpg|600px|Brochage du senseur}}
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The default I/O connections are to pins that are otherwise unused by the Zumo shield. The shield uses one digital I/O pin for each sensor (5, A2, A0, 11, A3, and 4), and if you add the LEDON shorting block, one additional pin (either A4 or 2) is used. To configure the ZumoReflectanceSensorArray library to use this default pinout, simply call init with no arguments: