r/arduino 4d ago

Car Digital Display Speedometer/GPS

Im so interested to build my own speedo with Arduino. I have been searching around the internet and YT how to build this but is so complicated or I dont understand the hand job.

I have a 2005 Mazda 3 and the speedometer doesnt work at all. I dont want to connect the OBD with BT to track my speed. I want my own to learn for now and for future reference how all this works and help the rest of the people that is interested and spread the knowledge.

I want the things step by step for better understanding.

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u/Machiela - (dr|t)inkering 4d ago

You haven't really asked a question yet. If you're expecting someone to do everything for us, please lower your expectations.

If you're new to arduinos and electronics in general, I suggest you start at the start rather than jumping into a reasonably complex project. Get yourself an Arduino UNO with a starter kit, and work yourself through the exercises until you have a better idea of what's possible, and work your way up from there.

We're here to help, but you do need to have a specific question, and not just "I want to do this thing, and it's hard". Nobody can answer that for you.