[PD] controlling relays from parport

IOhannes zmoelnig zmoelnig at iem.kug.ac.at
Tue Dec 2 16:24:44 CET 2003

derek holzer wrote:
> hi IOhannes,
> what I would like to do is control each pin independently, so that I can 
> send on/off signals to several different relays. Maybe I am a bit lazy 
> [or short on time ;-) ], but testing the data sent to each pin in order 
> to create a word that sends to all pins in order to change the state of 
> one pin seems like going in circles. Perhaps you have a demo patch which 
> makes this cleaner than what I suggest here?
> Best,
> D.

like this ?

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