2
votes
1answer
167 views

Resources for IBM PC compatible motherboard / Intel 80486 development

I'm trying to find some resources on designing motherboards, but there doesn't seem to be much out there. I'm also looking for information about interfacing with an Intel 80486. I mostly understand ...
0
votes
3answers
371 views

RS232 which pin i can connect together to receive a input signal in my Java application listening on ttyUSB0 or ttyS0?

I am trying to make a very simple BUTTON (simple wire RED/YELLOW only). Now if the Button is pressed (RED touch YELLOW) i want to receive input signal in my Java application (that button was pressed). ...