Hi, I´m trying to understand about how to use an analog speedometer with arduino, so far as I have study the analog speedometers use a wire that moves a magnet and it creates a current depending on how fast it moves. Now I´m not working on it at any special speedometer, just would like to understan…

Useing Analog Speedometer with Arduino

holmes4 May 1, 2018, 9:46pm 6

Are you trying to read the speedo or make the speedo work as some kind of prop or something (eg steampunk).

If the second then you will be using PWM and a transistor.

Mark

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