https://www.esphome.io/components/max6956/
MAX6956 I/O Expander - ESPHome - Smart Home Made Simple
Instructions for setting up MAX6956 port expanders in ESPHome.
expander esphomemade simple
https://www.esphome.io/components/pca9554/
PCA9554 I/O Expander - ESPHome - Smart Home Made Simple
Instructions for setting up PCA9554, PCA9554A, PCA9536 digital port expanders in ESPHome.
expander esphomemade simple