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  1. K

    input and output on the same pic pin ?

    now i face a problem, i no have any extra pin, so i need to drive a 7 segment led(commom anod) and at the same time, i need input for a push button, tell me how to do... any suggestion about when i push the button, it will not affect the led either on or off? pin-->resistor-->led--> +5v...

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