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Old 07-09-2012   #10
ghlkal
 
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Join Date: Jan 2012
Location: Wisconsin
Posts: 885
Default Re: Here's how to do it ...

Quote:
Originally Posted by Paul Workman View Post
Good job!
Thanks! Yes, the calibration worked well. It looks like about 220K ohms will do the trick for me. I don't care if the tach is dead-on, but 70% error was weird. I need to learn how to drive again with the tach - before I was hitting 7K easily on the tach (which was really something less than 4K on the motor).

BTW, I measured resistance across pins 4 and 10 and got about 390K ohms. Since you have several IP's laying around - if any are good - what value do you get there?

Now, I need to get up the courage to pull the IP out again ... I wonder what code it will throw this time
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