Home-Assistant-Dev/components/TCA6408/README.md

TCA6408 ESPHome Component

Full-featured custom component for the TCA6408 8-bit I²C I/O Expander.

Features

• 8 bidirectional GPIO pins
• Hardware polarity inversion support (inputs)
• Interrupt-driven inputs (active-low INT pin)
• Efficient cached GPIO expander
• Polling fallback mode
• Compatible with ESP32 (including C3/C5/C6), ESP8266, etc.

Installation

1. Download or clone this component into your ESPHome project:

   mkdir -p custom_components
   cp -r TCA6408/custom_components/tca6408 custom_components/