LED accent lighting is very trendy right now, as it can add quite a lot of visual interest to a room without introducing clutter. But commercial products are often either very expensive or subpar in quality and capability. Fortunately for makers, this kind of project is perfect for a DIY weekend build. One great option is Nancy’s HEXA LEDs, which are gorgeous, affordable, and controllable via Bluetooth®.
https://blog.arduino.cc/2023/03/09/hexa-leds-make-bluetooth-controlled-accent-lighting-affordable/
https://www.instructables.com/HEXA-LEDs-Bluetooth-Controlled-Glowing-Hexagons/