Reply to "Question about resistors."

cjackOGR Forum Member DIGITAL SUBSCRIBER

So the table turns faster when the voltage is raised? And you would like it to turn on at 1 vdc? One volt is too low for the opto coupler. It would be better to have a voltage of 5 to 15 volts (say 12 vdc) thru the resistor which is applied with a small relay or switch when you activate the turntable drive voltage. Is the turntable voltage applied with an on/off switch? Another pole on that switch could turn on the required coupler voltage. Then the drive voltage could be varied from 1 to 20 vdc to drive the turntable, all the while, the sound unit would be active.

10/21/164:05 PM

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