Amazon.com: HiLetgo 1PC ESP8266 NodeMCU CP2102 ESP-12E Development Board Open Source Serial Module Works Great for Arduino IDE/Micropython (Small) : Electronics
Arduino HDMI Shield: bridging the gap between small MCUs and Full HD Monitors - Electronics-Lab.com
HDTV PS3 1080P MINI Switcher definition video 3 Port HDMI Switch Splitter NEW | eBay
Modding a 3 port hdmi switch to simulate button press with arduino remotely : r/arduino