Driver for PCF8574 and PCF8574A 8-bit I/O expander

I2C Expander drivers for OnionOmega2 ported from Arduino

ESP8266 based DMX dimmer with countdown function (2h, 4h, 6h, 8h) for dimming 4 Channels via DimmerPacks

Parking sensor system built using STM32F446RE microcontroller, HC-SR04 distance sensor and LCD1602A.

This library can expand the number of IO microcontrollers with pcf8574.

A PCF8574 plugin for Cayenne

Library to use PCF8574 based LCD via software I2C bus in a Raspberry Pi.

Expansor de datos por protocolo I2C

Control for analog motorized valves such as Belimo actuators for use in home pools as actuators for ball valves.

LiquidCrystal Library for MicroPython. The library supports I2C GPIO expanders like PCF8574 and native GPIO communication for flexible interfacing.

A set of projects and libraries for PIC 32 Micro-controller's, written in C (xc32),

Visualización de la humedad del suelo reportada por higrómetro FC 28 en un display LCD

Using PCF8574 (I2C)

Overlay for Hitachi HD44780 LCDs connected trough PCF8574 I2C GPIO chip

Bare minimum Arduino code for LCD2004 and PCF8547 I2C interface chip. For when size matters.

Electronic potentiometer / input selector project for an amplifier, based on RP2040/Raspberry pi pico.

using PCF 8574A

Node-Red node to interface with LCD using PCF8574 I2C driver

Library to support the HD44780 LCD , (I2C PCF8574 "backpack" interface) for the Raspberry PI.

ESP32 + PCF8574 (Matrix Keypad 4x4). V1.1.1