How am i going to program the arduino when led and sensor are plugged in? I want to let the LED switch OFF when magnet is near and switch ON when there are no magnet. i am using 1k Ohm resistor within the LED and the sensor. The sensor giving raw value of 514~516.

A1301 Hall Effect Sensor

robtillaart October 31, 2013, 5:47pm 2

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