Component library for ESP32-xx and ESP8266

TinyPICO I2S Audio, I2S Microphone & 3.7W Stereo Amplifier Module with Built-in MicroSD card reader

Python module + RP2 firmware for direct hardware control without compilation

Control the MCP23008/MCP23S08 8-Bit I/O Expander with your RaspberryPi

OpenEMC: open embedded management controller

AW9523B LED Driver & GPIO I2C 16bit expander

1-wire port expander

Arduino Library for the MAX7313 Port Expander

Arduino UNIVERSAL xCA95xx i2c GPIO handler/library

C# device driver for MCP23017/MCP23S17

CircuitPython helper library for gpio expanders (Texas Instrument PCA95xx and TCA95xx chips).

controlled, breadboard friendly GPIO exansion board based on the Texas Instruments PCF8574 with builtin buttons and LED's for prototyping

Arduino library that simplifies the usage of single or daisy-chained 74HC595 shift registers as a GPIO Expander object

Full function driver for the pcf857x General purpose I/O expander (PCF8574, PCF8574A, PCF8575)

PCA9538 implimentation for Wokwi simulator

TCA9555 is a Python module for interfacing the Texas Instruments 16-bit I2C-based GPIO expander of the same name using a Raspberry Pi.

CircuitPython library for TCA9534/PCA9534 8-bit I2C I/O expander

Easy to use LED-Blocks for the MCP23017 GPIO-Extender

An interface for the MCP23017 gpio expander chip for Raspberry PI.

My Own Peripherals Library Collection