- [OUTDATED Snips is dead!] Voice Control - How to use Snips AI and MQTT 2.4
- Using Sonoff Power Switches with Tasmota firmware and openHAB2 MQTT2 binding - #3 by tsvsj
- ESP8266 with OpenHAB using MQTT
- Getting shelly / shellies announce data via MQTT 2.4 - #11 by rlkoshak
- Integrate Shelly RGBW2 with MQTT in openHab
- Set up mqtt2 from scratch on linux
- My MQTT 1.x to 2.x Migration Experiences
I could go on.