I wanna know " What's best way to communicate Flash and Arduino ? "
Define your criteria for measuring best.
Easiest? For who? Some one with Flash experience or someone without?
Least filling? Lowest calories? Highest miles per gallon? Most horsepower? Shortest stopping distance?
OK, they aren't all relevant, but, you get the idea.
criteria for measuring best's Robustness
I'm looking for the best way to communicate Flash and Arduino. which it's robust. It can turn it on the whole day and leave it there
If possible, it should be able to re-connect when communication breakdown for the serial port