Digital Speedometer, Tachometer & Engine Temperature Display

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This project is so complex :)

1- LED tachometer (right one)
2- LED speedometer (left one)
3- Digital (seven segment) display for Speed, RPM & engine temerature. I'm switching between the 3 inputs using one of the car's original rotary switches.

Full instructable here

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    4 Discussions

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    Khaled_sabry

    8 years ago on Introduction

    good work
    ya Abo Hosny
    it's nice to publish your work , not only in Nilemotors ;)
    waiting for the completed circuit

    1 reply
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    abo_hosniKhaled_sabry

    Reply 8 years ago on Introduction

    corolla man :)

    here is the whole experience
    https://www.instructables.com/id/Digital-multimeter-for-your-car/