Add support for HW Serial ports on the Teensy
Add support for HW Serial ports on the Teensy

GeodesicCarbon/protopaja-sick,GeodesicCarbon/protopaja-sick,GeodesicCarbon/protopaja-sick,GeodesicCarbon/protopaja-sick,GeodesicCarbon/protopaja-sick,GeodesicCarbon/protopaja-sick,GeodesicCarbon/protopaja-sick