So the guards sounds can indeed be heard?

matze79 wrote:Now it worksits bit noisy because of the R2R Ladder.
Some LPT Ports are really quiet, others let you listen to every hdd access
matze79 wrote:The Noise coming from the NE555.. its exactly the 7,?khz Frequenz i can hear.
And from the PS/2 Port from which i power it.
matze79 wrote:The bypass capacitor is integrated into the Socket on this Unit
or soldered on the backside of the pcb.
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