Imports in module “periph.io/x/periph” periph.io/x/periph/conn/pin periph.io/x/periph/conn/gpio/gpioreg periph.io/x/periph/conn/gpio periph.io/x/periph/conn/physic periph.io/x/periph/conn/gpio/gpiostream periph.io/x/periph/host/bcm283x Standard library imports errors flag fmt os reflect testing time