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I want to make a speed limiter for my motorcycle

danadak

Feb 19, 2021
714
Joined
Feb 19, 2021
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714
You cannot switch the coil directly with Uno.

Post the wiring diagram you have for the bike, and its maintenance manual if you
have that.

You can consider coding using block programming. mBlock takes your block configuration
and generates Arduino code from that.

1688488856392.png

The above code is basic, should work. But I would add hysteresis to it. If code trips
at 5000 then ignition comes bak on at. say, 4900 RPM, 100 RPM is the hysteresis.
That helps with noise issues from RPM sensor. Easy to code and add.

Here is code it generated that you program into part using Arduino IDE :

1688488927063.png

Your interface to the RPM sensor has to meet logic levels allowed into Arduino. Do
you have an oscilloscope ?

Regards, Dana.
 
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