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Thread: how fast is the analogRead on 3.5 and 3.6?

  1. #1
    Junior Member
    Join Date
    Jan 2018

    how fast is the analogRead on 3.5 and 3.6?

    I don't have an oscilloscope with me so can't do the experiment. Just wonder how long does this take. So I can have the right timing for the loop.


  2. #2

  3. #3
    Senior Member+ defragster's Avatar
    Join Date
    Feb 2015
    It can be timed in a loop as shown here:

    Some results there ... that is post #5 that thread - be sure to see p#1 for averaging usage - also indicated on the usage page

  4. #4
    Senior Member
    Join Date
    Mar 2013
    Its dependent on what frequency your running and what settings your using...
    At 96Mhz with the default settings per ADC you can see anywhere from 4.08uS to 5.5uS depending on the resolution for the ADC you select.

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