package main import ( bh1750 "github.com/d2r2/go-bh1750" i2c "github.com/d2r2/go-i2c" logger "github.com/d2r2/go-logger" "time" ) var lg = logger.NewPackageLogger("main", logger.ErrorLevel, ) func main() { defer logger.FinalizeLogger() logger.ChangePackageLogLevel("i2c", logger.ErrorLevel) logger.ChangePackageLogLevel("bh1750", logger.ErrorLevel) // Create new connection to I2C to bh1750 i2c, err := i2c.NewI2C(0x23, 1) if err != nil { lg.Fatal(err) } // Free I2C connection on exit defer i2c.Close() // Setup sensor sensor := bh1750.NewBH1750() // Reset sensor prior to use err = sensor.Reset(i2c) if err != nil { lg.Fatal(err) } // Read sensor value over time for { resolution := bh1750.HighResolution lux, err := sensor.MeasureAmbientLight(i2c, resolution) if err != nil { lg.Fatal(err) } println("Illuminance:", lux, "lx") time.Sleep(500 * time.Millisecond) } }