com.diozero

Class GP2Y0A21YK

java.lang.Object

com.diozero.api.GpioDevice

com.diozero.api.GpioInputDevice<AnalogInputEvent>

com.diozero.api.AnalogInputDevice

com.diozero.GP2Y0A21YK

All Implemented Interfaces:

DistanceSensorInterface, InputEventListener<AnalogInputEvent>, Closeable, AutoCloseable, Runnable

public class GP2Y0A21YK
extends AnalogInputDevice
implements DistanceSensorInterface

Sharp GP2Y0A21YK distance sensor. Datasheet, Guide. Important to supply 5V to get correct readings (max output voltage ~3.2V).

 Range: 10 to 80 cm
 Typical response time: 39 ms
 Typical start up delay: 44 ms
 Average Current Consumption: 30 mA
 Detection Area Diameter @ 80 cm: 12 cm
 Supply voltage : 4.5 to 5.5 V
 

Field Summary

Fields inherited from class com.diozero.api.GpioInputDevice

listeners

Fields inherited from class com.diozero.api.GpioDevice

pinNumber

Constructor Summary

Constructors

Constructor and Description
GP2Y0A21YK(AnalogInputDeviceFactoryInterface deviceFactory, int pinNumber, float vRef)
GP2Y0A21YK(int pinNumber, float vRef)

Method Summary

Modifier and Type	Method and Description
float	getDistanceCm() Read distance in centimetres, range 10 to 80cm.

Methods inherited from class com.diozero.api.AnalogInputDevice

addListener, addListener, close, disableListener, enableListener, getScaledValue, getUnscaledValue, run

Methods inherited from class com.diozero.api.GpioInputDevice

addListener, removeAllListeners, removeListener, valueChanged

Methods inherited from class com.diozero.api.GpioDevice

getPinNumber

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GP2Y0A21YK

public GP2Y0A21YK(int pinNumber,
                  float vRef)
           throws RuntimeIOException

Throws:

RuntimeIOException

GP2Y0A21YK

public GP2Y0A21YK(AnalogInputDeviceFactoryInterface deviceFactory,
                  int pinNumber,
                  float vRef)
           throws RuntimeIOException

Throws:

RuntimeIOException

Method Detail

getDistanceCm

public float getDistanceCm()
                    throws RuntimeIOException

Read distance in centimetres, range 10 to 80cm.

Specified by:

getDistanceCm in interface DistanceSensorInterface

Returns:

Distance, range 10 to 80cm.

Throws:

RuntimeIOException