Imports github.com/spf13/viper periph.io/x/conn/v3/display periph.io/x/conn/v3/physic periph.io/x/conn/v3/spi periph.io/x/conn/v3/spi/spireg periph.io/x/devices/v3/apa102 periph.io/x/devices/v3/screen1d periph.io/x/host/v3 Standard library imports bytes encoding/json errors fmt image image/color io/ioutil log net os/exec path sync syscall