Quote:
Originally Posted by i_am_socket
From the latest on the Wiki:
At that point, if you know how to build something to pick up serial data and only display the MPG, it should be simpler and cheaper than a full second MPGuino. That's a big "if" though.
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SparkFun Electronics - Breakout Board for MAX7456 On Screen Display will superimpose spi data over a composite video signal. Not exactly HUD but if the video is from a camera (rear view?) on your car...
Another idea could be a persistence of view projector to get a much brighter image to reflect off the screen