Quote:
Originally Posted by stargazerf3a
Guys problem solved , one day I've accidentally removed the power from the mpguino before it saves to eprom and every configuration lost, so i've entered pulses per speed and micro sec per liter that and forgot configure vss delay that was 2ms by default  oooodd... Speed is now right except when i run over bumps and potholes (all the time Greek roads  ) , then speed goes instantaneously nuts... That maybe is not a big issue... |
It shouldn't be like that, with MPGuino going nuts over bumps. Check VSS cables, from the sensor to the dashboard and MPGuino. You've mentioned before that you gest VSS signal from ABS sensor, right? So you should check ABS cables then. But I don't think that plugging into ABS signal is a good idea. You can get some false signals and that can mess up your safety. It's better to fabricate VSS sensor by gluing a magnet to the drive shaft than mess up with ABS. IMHO
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