we have design this ESP32 512 GPIOs board (KC868-A256) for home assistant. It use by ESP32-WROOM-32E, 256CH digial input ports + 256CH MOSFET output ports + 4CH analog input ports + RS485 + Ethernet.
support by ESPHome using home assistant.

forum link:
https://www.kincony.com/forum/forumdi...

order link:
https://www.aliexpress.us/item/325680...

visit for more:
KinCony's website: https://www.kincony.com
Aliexpress Online Store: https://kincony.aliexpress.com
Facebook:   / kincony.smarthome  
Twitter:   / kincony