I need to make 5 additional TTL connections from my Overo Fire/Tobi board.
Any ideas on how I might implement this? I was thinking maybe some i2c
enable UARTS or an ATXMega chip (8 uarts) connected over spi.
Hoping there may be some simple solutions (other than don't use 5 serial
ports, i2c, etc) that I am missing.
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