As a followup of the discussion in this thread , I decided to look at the frequency distribution of values you get by using analogRead() on a floating (unconnected) analog pin. Background A "good" random number generator should have a "flat" frequency distribution (equal probability of getting any …

Using analogRead() on floating pin for random number generator seeding/generator

system April 26, 2012, 7:03pm 2

But what if you build your seed from the LSBs of 32 consecutive reads?

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