Hello;
I am new in this field i need a simple single LED flasher/Solid circuit that accepts 3 types of input signal from a circuit one is positive +5v to gnd and other is -5v to gnd when +5 signal input to arduino it should solid ON and when -5v signal input the LED starts flashing LED at rate of 2sec and when no signal (below 2v) LED off.Please reply at faizan.hamayun@hotmail.com
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Atiny LED flasher with constant on
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