Ceiling Light: B.K. Licht and Home Assistant - 2025 Upgrade

Huh? What?

…so, this post is a follow-up to the original Ceiling Light: B.K. Licht and Home Assistant blog post from 2023.

So, over the years of use, I noticed a minor issue with the original wiring: Whenever the light is turned off, the transistors controlling the individual color channels are unable to fully turn off the outputs. This leads to a small current flowing through the LEDs, which in turn causes them to glow faintly red, even when turned off.

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Ceiling Light: B.K. Licht and Home Assistant

Leadup

Everything started as I bought the “LED Panel, Colour Temperature Fully Adjustable […]” by “B.K. Licht” off Amazon. It worked great with the also shipped remote control and it was only a little bit inconvenient to never have the remote when needed. It is a 15W LED panel with RGB/WW/CW and therefore 5 channels. I chose it because the pictures in the reviews indicated a modular power supply and also showed some minor information about the wattage and ratings. Furthermore, the manufacturer (or at least distributor) was also located in Germany, so I hoped for easier communication.

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