HDMI-CEC stopped working after May update on LG and Samsung TVs - Raspberry Pi - OSMC Forums
GitHub - floe/CEC: Arduino library for HDMI CEC communication
Control your TV from Kodi, or vice versa! USB - CEC Adapter
What is HDMI CEC?
Amazon.com: BlueRigger HDMI CEC Less Adapter (4K UHD, ARC, Ethernet, Male to Female CEC Blocker) - Compatible with HDTV, TV Stick, Chromecast, Nintendo Switch, Xbox, PS5, PC, Soundbar : Electronics