im just worried that the power going into the arduino through the digital pin from the sensor is damaging the arduino,
so if you know the value of resistor that would be best for turning 9v into 5v so that it is the same as the output on a normal arduino board?
http://www.oomlout.co.uk/tilt-switch-p-243.htmlthis is the tilt switch, it is very simple and basic and cheap, thanks for explaining about the vcc pin, i thought that that was only input, that might make it work
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