hx711

Documentation

Index

• Variables
• type Gain
• type V2
  • func New(clk gpio.PinOut, data gpio.PinIn) (V2, error)

Variables

var (
	ErrStopped  = errors.New("hx711 is not powered on")
	ErrNotReady = errors.New("data is not ready for reading")
	ErrBadRead  = errors.New("got unstable reading from device")
)

var (
	ErrGainUnavailable = errors.New("specified gain value is unavailable")
)

Types

type Gain

type Gain int

const (
	ChannelA128 Gain = 1
	ChannelA64  Gain = 3
	ChannelB32  Gain = 2
)

type V2

type V2 interface {
	measurement.StreamingSensor
	SetGain(ctx context.Context, gain Gain) error
}

func New

func New(clk gpio.PinOut, data gpio.PinIn) (V2, error)

New creates a new HX711 device.

The data pin must support edge detection. If your pin doesn't natively support edge detection you can use PollEdge from gpioutil.