On 6/29/07, Robert Rolf wrote: > Pretty standard stuff. Well defined protocol stacks. > Serial or USB to IrDA hardware off the shelf. Most PDAs do "IrDA" intrinsically. Why are they stuck on IR? Irda works, but it's slow as hell, and very sensitive to aiming and interruptions. Bluetooth or Wifi is a lot faster and more reliable. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist