Test-Multiport-Serial-Controller Note: As of Sept 14 2023 go.bug.st package no longer works with Rasberry Pi it will work with linux and Windows https://pkg.go.dev/go.bug.st/serial https://pkg.go.dev/github.com/albenik/go-serial https://pkg.go.dev/github.com/tarm/serial https://github.com/jacobsa/go-serial https://forums.raspberrypi.com/viewtopic.php?t=317369