Imports periph.io/x/periph/conn/gpio/gpioreg periph.io/x/periph/host github.com/TheCacophonyProject/lepton3 github.com/alexflint/go-arg github.com/coreos/go-systemd/daemon gopkg.in/yaml.v2 periph.io/x/periph/conn/gpio Standard library imports errors fmt io/ioutil log net os/exec time