Suppliers

Aliexpress

https://www.aliexpress.com/

ESP32-S3 smart display capacitive touch LVGL 4.0 inch 480 * 480

https://www.aliexpress.com/item/1005008214872438.html?spm=a2g0o.order_list.order_list_main.68.30491802Ofqw4q

Aqara Door/Window Sensor Zigbee

https://www.aliexpress.com/item/1005006508846585.html?spm=a2g0o.order_list.order_list_main.73.30491802Ofqw4q

https://www.elecrow.com

Zigbee Controller/Router

ZigStar UZG-01 - Universal Zigbee Gateway

https://www.elecrow.com/zigstar-uzg-01-universal-zigbee-gateway.html