I've had this same issue!
You need to make sure you connect the grounds between your serial-translation/cable circuit and the Galileo itself. If you don't, you'll end up with lots of garbage data on your screen.
I've had this same issue!
You need to make sure you connect the grounds between your serial-translation/cable circuit and the Galileo itself. If you don't, you'll end up with lots of garbage data on your screen.