This is my first Arduino project. An Arduino powered digital RPM and speedometer. I still haven't completed this 100%, but I thought of sharing what I have done with you guys.
Please note that some of the codes of this project I have taken from internet. So credits for them go to those developers.
You can watch my working solution: https://www.youtube.com/watch?v=l1aM1aSg-58
RPM codes: http://jonduino.weebly.com/shift-light.html http://kokoraskostas.blogspot.co.nz/2013/12/arduino-inductive-spark-plug-sensor.html
Special thanks to Jon here for helping me out with some information. https://www.youtube.com/watch?v=NpSHLSeQ0Hs