If you prefer a stacked monitor setup, check out the Duex Float monitor extender that can extend your laptop screen ...

so he decided to reverse engineer an IP HDMI extender. After connecting a DVD player and TV, he fired up Wireshark and started sniffing the packets. The device was using IP multicast on two ports.

A $40 “HDMI extender” turns out to actually be an HDMI-to-RTP converter under the hood. He’d done work previously on a similar extender that turned out to use a quirky method to send the ...