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Topic: Arduino GND and 5V pin's (Read 5691 times) previous topic - next topic


Can i use the same GND and 5V pin for all my 4 ping sensors, and only 4 difrent signal pins ? and could i power my arduino with a 9V battery ?


Yes all sensors can be connected to the same power pins. A9v will be fine connected to the Vin or power input.


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