Double HDMI cable for Raspberry Pi 3B+/3B/2B board
Use any HDMI device as Video-in for Yodeck – Yodeck
Amazon.com: Miuzei Case for Raspberry Pi 4 with Fan, 3A USB-C Power Supply, 1.5M Micro HDMI Cable, HDMI-Micro HDMI Adapter, 4 Aluminum Heat Sinks, USB Card Reader (Raspberry Pi 4 Not Included :