Imports periph.io/x/periph/conn/physic periph.io/x/periph/conn/spi/spireg periph.io/x/periph/conn/spi periph.io/x/periph/conn/gpio/gpioreg periph.io/x/periph/conn periph.io/x/periph/conn/gpio periph.io/x/periph/host Standard library imports bytes errors time image image/color