![Control TV via CEC HDMI from LM4 | Logic Machine platform for KNX/EIB, EnOcean, Modbus, DALI, BacNet Control TV via CEC HDMI from LM4 | Logic Machine platform for KNX/EIB, EnOcean, Modbus, DALI, BacNet](https://openrb.com/wp-content/uploads/2014/11/cec_45-290x178.jpg)
Control TV via CEC HDMI from LM4 | Logic Machine platform for KNX/EIB, EnOcean, Modbus, DALI, BacNet
![Amazon.com: BlueRigger 4K HDMI CEC Less Adapter (4K, UHD, ARC, 1080p, Ethernet) - HDMI Male to Female Adapter - Compatible with HDTV, TV Stick, Game Consoles, Laptops, Soundbar : Electronics Amazon.com: BlueRigger 4K HDMI CEC Less Adapter (4K, UHD, ARC, 1080p, Ethernet) - HDMI Male to Female Adapter - Compatible with HDTV, TV Stick, Game Consoles, Laptops, Soundbar : Electronics](https://m.media-amazon.com/images/I/81vscWD4q6L.jpg)
Amazon.com: BlueRigger 4K HDMI CEC Less Adapter (4K, UHD, ARC, 1080p, Ethernet) - HDMI Male to Female Adapter - Compatible with HDTV, TV Stick, Game Consoles, Laptops, Soundbar : Electronics
![Can't figure out if there is a HDMI-CEC setting on tv. I have the Costco TCL 55S434 and plugged Roku Streambar Pro into the HDMI (ARC) and I can't power it on/off Can't figure out if there is a HDMI-CEC setting on tv. I have the Costco TCL 55S434 and plugged Roku Streambar Pro into the HDMI (ARC) and I can't power it on/off](https://preview.redd.it/n5eug7yq7c981.jpg?auto=webp&s=8ffa3372a543d11a8e0c452c6e917056ee12ec19)