[RPi] Adafruit GPS

本來以為蠻熟得, 結果還是弄了很久
https://gary-dalton.github.io/RaspberryPi-projects/rpi3_gps.html
https://learn.adafruit.com/adafruit-ultimate-gps-on-the-raspberry-pi
https://www.raspberrypi.org/forums/viewtopic.php?t=172893&p=1105715