>Why don't you try an IR serial link.  The RX module could be connected to
>and powered by the PC serial port.  The TX side could be built into your
>data logger. The TX/RX speed will be slow, (600-2400). Do you need to
>xmit a lot of data ?

Not really, only 64K Bytes max. each time. Is the IR serial link circuit
complicated? Are there any low cost off-the-shelf modules available?

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