hi. does anybody have wiring diagram(like on photo) for saab 900 ng (mk II) gauge for arduino? i would like to do it with this gauge like people do. and is this even possible? 68747470733a2f2f692e696d6775722e636f6d2f6e6c46306f71412e6a7067.jpeg-1|690x448
Welcome! As your frizzy pictures shows it will not work, expect to replace a lot of Arduinos. Posting a schematic showing all connections including power and ground would help. Also post links to "Technical" information on each of the hardware items. I would suggest you study the technical information published on the arduino. Also if this is going into the car that is a lot more you have to design for. Automotive is NOT simply 12V it is possibly the nastiest environments for electronics. Do not give up you have a lot more to go.
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