On Sat, 23 Oct 1999 15:42:24 +0100, you wrote:

>I have to connect 4 mice to a PC.
......
>Questions:
>
>   * Has anybody experience with this ?
>   * Which PIC is best used ?
anything with interrupts and enough RAM to hold the serial data
streams. 
>   * Since the PIC has to receive the datastreams from all 4 mice, can
>     this be done with software com-ports?
Yes - no problem at 1200 baud. - you drive it off a timer interrupt at
twice the baud rate. 
>Peter