Imports github.com/d2r2/go-i2c github.com/eclipse/paho.mqtt.golang github.com/prometheus/client_golang/prometheus github.com/prometheus/client_golang/prometheus/promhttp github.com/sirupsen/logrus github.com/spf13/pflag gopkg.in/yaml.v2 Standard library imports encoding/binary encoding/json fmt net/http os strings sync time