Thanks 13, Thats exactly what i would like to do, except, my specialty is in computer upgrade/repair, and i have no idea which parts to try to order. I have a McMaster-Carr account, if you could give me a rough idea of the model number or specs on the components i need, like the relay and...
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...
