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  • Users: ei8ht
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  1. ei8ht

    Using an LED to trigger an audible alert

    I have a barcode printer with a verifier attatched. When the verifier senses a bad label, it throws the printer into an error condition, and an error LED blinks. I would like to use this blinking LED signal to trigger an audible alert.  I have traced the line that carries the flashing...

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