Paralell port powered little device.
Edson Brusque email (remove spam text)
I'm doing a little device to be attached to the paralell output of a PC.
I want to take the power to the device (5V, about 40mA max) from the
I'm looking at some datas and it says the four control pins are
open-collector. This means I cannot take +5V from it... :(
Anyone have already made something like this? How can I do that?
See also: www.piclist.com/techref/ios.htm?key=port
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