Re: Commodore joystick ports

From: Daniel O'Shea (
Date: 2007-04-09 02:40:44

Scott McDonnell wrote:
> Again, yours and Levente's methods both work as you both have
> demonstrated. Nobody is questioning that, of course. But, I am just
> assuming since the original poster didn't go that route, that he is
> dealing with a linear voltage source, not a micro. Perhaps he will clear
> that up before any more time is spent on this.
> Scott

I apologise, I wasn't intending to open up such a can of worms! As I 
stated in my original post, I have a variable voltage of 0 to 5V (no 
microcontroller involved) that I want to translate in to a variable 
current using a transistor. And so, I am lead back to my original 
question - what kind of transistor and what value would work best to 
provide a variable current which duplicates the potentiometer's variable 
current? and do I need any extra components besides just a transistor? 

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