Control NVIDIA Shield with Logitech Harmony and FLIRC
I wanted to control my NVIDIA Shield (2017) with my Harmony 650 IR remote control, but the shield doesn't have an IR receiver.
Purchased a FLIRC.
https://flirc.gitbooks.io/flirc-instructions/content/universal-remote-controls/logitech-harmony-remote-controls/nvidia-shield-tv.html
Problem solved! Harmony works a treat.