Originally posted by **greymda** July 11, 2021
basically, is it possible to have output inverted, for HUD projection on windshield?
something like this, but without using smartphone.
![sygic-hud-1](https://user-images.githubusercontent.com/9991596/125203747-8599b100-e282-11eb-9d9c-ae39fbc9610b.jpeg)
Discussed in https://github.com/alexanderlavrushko/BLE-HUD-navigation-ESP32/discussions/6