Arduino Car HUD!

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This is a scratch built, Arduino-based car Heads Up Display (HUD) that displays your vehicle's speed and rpm in real time! It's also open source - all of the code, PCB files, and 3D printable enclosure files are all free to download.

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It's fast. The speedometer on the HUD updates faster than the original built-in one!

nismoskys
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I really love this idea of making your own... however, for safety, it should really be focused at a distance of about 8-12 feet away so you don't have to refocus your eyes to see it. You can do that by using a curved lens or magnifier between the combiner (the lens) and the LEDs light path. Also. if you can do dual color... red at night and green during the day is perfect. (Red doesn't night blind you... green is very visible.)

williamsteele
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you can try switching to esp32s3 N16R8 and use lcd colour display(or oled).

danilka
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Software is great, but you should find a smaller shell

sasino
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Sir hc05 connected success but myelm327. Status instruction not complie shoes emllm327. Status no such file what to do sir

technicalfundadharuhera
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Hi I am currently working on a similar hud for a school project. Do you mind sharing a link to your build and design?

jaytschoepe
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can it read honda motorcycle data via elm too?

endremurti
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How to gather speed and rpm information

PRIYACAASPIRANT
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are you concerned with glue melting on the dash on a hot day if you were to have it in a hot car?

anonemoose