Reading a pulse from an alternator

geekoftheweek

Joined Oct 6, 2013
1,183
The stator connections used to drive tachometers are actually AC signals to begin with that are connected before the rectifier and will take more than a simple voltage divider. It never really seemed to get answered in that thread. The charging output is DC of course. Besides that little bit there are a number of other reasons to use an optocoupler.
 
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