This handy little unit will take ASCII characters from your 488 PC interface and split the bits out onto individual lines for you; so you can control whatever you want. Relays, power-transistors.....whatever you want.
Probably works.

HP59301A HPIB/GPIB/488 Parallel Output; just $25.00 !
To make it a "done deal", email me at: "metal at fullwave dawt com"
Terms:
Payment: Cash, Check, or Paypal; email me for details to make payment
Shipping: Whatever my cost is....and no BS extra fees for 'packing' or 'handling'.
Response Time: We live in the mountains now, and my wife gets into town a couple times a week for mail and groceries (I don't drive much any more, since my vision is failing). Expect about a week between receipt/clearing of your payment and when the carefully-packed instrument is dropped off at the UPS terminal or Post Office in Medford, Oregon.
Go back to full list at: Selling my entire Electronics Shop