I’ve been having some troubles with Zigbee. Yes, at our airbnb we have a rather big dining room where I’ve put 7 Zigbee RGBWW Smart bulbs. The problem is that each time I try to turn all 7 on or off there’s either a lag or some of them just won’t switch on or off. The controller is a Sonoff Zigbee 3.0 USB dongle, yes the one with the antenna. But between these bulbs and the controller is a fairly big distance, one concreete and one stone wall.

You’re probably going to tell me that if I put some other non battery operated devices in between the problem should solve itself. Believe me I tried, I have an IKEA TRADFRI LED driver, an Aqara Smart Plug and a SilverCrest Smart Plug between the controller and the devices and the problem persists.

So I decided to go back to what I knew and works better, WiFi. And so I ordered a bunch of smart bulbs on AliExpress, on the cheap side. I know these bulbs come with a proprietary firmware that wants...