Hi,
I would detect the 5v from the PC's USB socket. When 5v disappears check again for about 400mS to allow for spikes then send your serial data to the other PC.
Bob
Hi,
I would detect the 5v from the PC's USB socket. When 5v disappears check again for about 400mS to allow for spikes then send your serial data to the other PC.
Bob
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