how do i get the "ultimate" citcuit ?
i've read that i can wire a relay, using a diode and a transistor, anyone gotten the "exact" documents ?
i want to control 8 relays, and it's 12 volt, about 1 amp's each relay shall control...
so, i hope someone gotten the schematic...
Yep- those schematics are precious. Run a Google search for "PC printer port relay control circuit schematic" and see what turns up-)
That search gives this first hit, a well-known site loaded with reliable information:
Have something to add? Share your thoughts — no account required.
Ask the community — no account required