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serial-portserial-communication

Communicating with a combinational logic circuit

I imagine this is a quite broad question, but i am wondering how i can communicate with a combinational logic circuit using my PC.

Can i use the RS232 serial port? I have looked into this and it seems like it only has one output and one input.

  • What if my circuit has inputs A,B,C,... and so on?
  • What about my clock signal?
  • USB -- wouldn't i need software drivers and a microchip?
  • Converting the RS232 12V & -12V to 0V & 5V respectively
  • DC power source for the gates and what not?
Solution

  • I will be using Arduino ( http://www.arduino.cc/ ). I seems really cool!