Imports periph.io/x/conn/v3 periph.io/x/conn/v3/gpio periph.io/x/conn/v3/gpio/gpioreg periph.io/x/conn/v3/physic periph.io/x/conn/v3/spi periph.io/x/conn/v3/spi/spireg periph.io/x/host/v3 Standard library imports bytes errors image image/color log time