Device Class

Encapsulates PCA8574 (and similar) I²C GPIO Expanders.

Inheritance Hierarchy

SystemObject
IO.Devices.PCA8574Device

Namespace: IO.Devices.PCA8574
Assembly: libsimpleio (in libsimpleio.dll) Version: 2.2024.356.1

Syntax

public class Device

The Device type exposes the following members.

Constructors

	Name	Description
	Device	Constructor for a PCA8574 (or similar) GPIO Expander.

Properties

	Name	Description
	Latch	This read-only property returns the last value written to the output latch.

Methods

	Name	Description
	Read	Return actual state of the GPIO pins.
	Write	Write all GPIO pins.

Fields

	Name	Description
	MAX_PINS	The number of available GPIO pins per chip.