AutoIt may do what you want, it's pretty awesome: http://www.autoitscript.com/site/autoit/ serial port is listed as a user defined function: http://www.autoitscript.com/wiki/UDF Bob On Sat, Jan 14, 2012, at 04:54 PM, Carl Denk wrote: > To refresh what I am looking for: Have a PIC microcontroller that=20 > outputs RS-232 ASCII string of characters including (3) 4 digit numbers=20 > when receiving a specific 6 digit command string. I'd like to=20 > automatically, say 1 or 2 seconds interval, send the command string, and= =20 > display the output formatted on a laptop. I have been doing one at a=20 > time command with Realterm, but wanted to automate so my hands could be=20 > free to adjust things. If I could input it into >=20 > The free CPSTD looks very interesting very close to what I need, but=20 > that has a 40 day trial period. I am thinking long term, with a small=20 > instruction sheet, a moderate computer savvy person could implement the=20 > work. I like the idea of setting up a keyboard interrupt, then most any=20 > application would work. --=20 http://www.fastmail.fm - Or how I learned to stop worrying and love email again --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .