I'm going to build a HUD system for my car. I will take 2 approaches:
1) Projector, I will use the following schematic to project the LCD image to either a white screen or the windshield. This one will work only at night per sure.
I have done it before for my bedroom and I know finding a strong light source is the bigger problem. The most the power, the most the heat to dissipate.
I will use my carpenter skills and build it as compact as possible. I do have pretty much everything on hand to give it a try this weekend.
2) Professionally install my LCD in one side of the dashboard. (I never thought in this option before!). I will hide all the electronics and encapsulate the LCD only. I am working right now in building a PCB with a processor where I can store up to 250 images. So emulating the one in the picture below will be possible.
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