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[on:]

I want to get info on main screen of pc from adruino is that possible if not I need to have the adruino communicate wirelessly to the pc do i program it for a com port?  thanks   

[Reply #1 on:]

As has been said on your other threads.

http://arduino.cc/forum/index.php/topic,125907.msg946728.html
http://arduino.cc/forum/index.php/topic,125909.msg946741.html

If your Arduino is connected to the PC using the USB cable, then send your output to the Serial port. You'll need something running on the PC, such as the Serial Monitor, to display the data.

http://arduino.cc/en/Reference/Serial

If you have an Ethernet or Wireless shield/module, then you can use the Arduino as a web server, and use a browser on the PC.

http://arduino.cc/en/Reference/Ethernet
http://arduino.cc/en/Reference/WiFi

[Reply #2 on:]

I want to get info on main screen of pc from adruino is that possible if not I need to have the adruino communicate wirelessly to the pc do i program it for a com port?  thanks   

http://firmata.org/wiki/Main_Page

if you know VB
http://www.acraigie.com/programming/firmatavb/firmatavb.html

All other program language
http://www.arduino.cc/playground/Main/InterfacingWithSoftware