hello everyone ! I would like to ask you guys if someone could help me compiling this code to be able to use a LED when the flow meter's signal is null .. in other words, when there is no water passing through . Also What boot should i use? I have arduino one r3 and i need to make it run without PC…

Activating LED on signal input=null

PaulRB October 20, 2017, 6:17am 2

That code does not work, does it? Don't you think you should fix it before you add another function?

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