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[dhouston]

Thanks for the reply, I have nil experience in this area so any advice is useful. Is there a way of setting up the Tibbo to signal the PIC that there is incoming data rather than just checking for serial as the device will be busy reading an a/d converter and storing data most of the time.

We all started with nil experience. It depends a little on the PIC you will use but you can have the incoming data trigger an interrupt. However, I would probably use the hardware UART (and MAX232) and just check it periodically - there's a UART flag that tells you if a byte has been received.. Read the manual on HSerIn/HSerOut and read the Tibbo documentation (which is a bit over whelming).