Imports github.com/W-Floyd/ha-mqtt-iot/devices/externaldevice github.com/W-Floyd/ha-mqtt-iot/devices/internaldevice github.com/alf632/gokrazy-ha/mqttComponent github.com/eclipse/paho.mqtt.golang go.bug.st/serial Standard library imports bytes encoding/binary flag fmt log os os/signal strings sync syscall