For those who didn't notice, there are two follow-on posts that I also found interesting: https://petergarner.net/notes/index.php?thisnote=20180511-Travels+wit

For those who didn't notice, there are two follow-on posts that I also found interesting: https://petergarner.net/notes/index.php?thisnote=20180511-Travels+with+a+Pi+%282%29 https://petergarner.net/notes/index.php?thisnote=20180511-Tr... https://petergarner.net/notes/index.php?thisnote=20190205-Travels+with+a+Pi+%283%29 https://petergarner.net/notes/index.php?thisnote=20190205-Tr...