Ambilight System for Every Input Connected to Your TV. WS2812B Arduino UNO Raspberry Pi HDMI (Updated 12.2019) : 12 Steps (with Pictures) - Instructables
DIY | Ambilight Using Arduino Nano - Very Easy! - YouTube
Trying to highjack hdmi data signal to create ambilight, anyone know if this would even work without using a raspberry pi? : r/arduino
Ambilight System for Every Input Connected to Your TV. WS2812B Arduino UNO Raspberry Pi HDMI (Updated 12.2019) : 12 Steps (with Pictures) - Instructables