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A comment on Ask HN: Hourly freelancers, what do you do when you can't figure something out?. Parent comment

Re:Ask HN: Hourly freelancers, what do you do when you can't... by mikejmoffitt on Monday February 27, 2017 @02:05AM (#13742437)
* ADC enable register? * Reference level set? * Giving it ample time for a signal to settle? * Are you testing with a known input source? I would test first with a variable PSU and verify with a voltmeter externally to eliminate a possible second confusion.
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