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Thread: Paralell port powered little device.
face BY : 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
paralell port.

   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?

   Best regards,


<003801bfcf13$b8e4e4c0$65a0f7c8@bigbru> 7bit

See also: www.piclist.com/techref/ios.htm?key=port
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