Re: Commodore joystick ports

From: john/lori (lgnjh_at_earthlink.net)
Date: 2007-04-21 13:47:52 

john/lori wrote:
> Note there's an inversion, a higher voltage in would
> give a lower reading.

Ack!

That should have been a lower CURRENT.

> 
> 
>                      +5V
>                       |
>             +---------+
>             |         |
>            3.8K      390 ohms
>             |         |
>             |    +----+
>             |    V    |
> 0-5V        |  |/pnp  |
>  IN o--13K--+--|      |
>             |  |\   |/npn
>             |    +--|
>             |       |\
>             |         V
>            18K        +---o POT
>             |
>            _|_
>            /// gnd
> 
> 
> bogax
> 
> 
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> 

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