package main import ( "log""github.com/kebhr/mhz19" ) funcmain(){m:= mhz19.MHZ19{} myDevicePath:="/dev/ttyS0"iferr:=m.Connect(myDevicePath); err!=nil{log.Fatal(err) } v, err:=m.ReadCO2() iferr!=nil{log.Fatal(err) } log.Printf("CO2 Concentration: %dppm\n", v) }