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I thought of doing that but I was afraid. Wouldn't that burn my port if for example I use a larger relay which needs to be powered by say a 12V supply?
Hi, guys. I'm new here. Forgiveme if this is too newbie.
I have a relay that I want to switch on using one of the output pins on the parallel port.
This is what I've got:
**broken link removed**
The relay is powered by a 5V DC adapter and the transistor should act as a switch.
But i dont know...
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