Amazon.com: MOES ZigBee 3.0 & Bluetooth & Mesh Hub Only Support Tuya Device Work with Smart Life App, Intelligent Bridge Wired Smart Home Gateway Voice Control via Alexa, Google Home, 2.4GHz WiFi :
Zigbee Tutorial – IoT-Point
Zigbee® Products—MCU Modules and SoCs | Microchip Technology
Mesh Networks for Lighting Control Applications – Advanced Lighting Technologies Asia