In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Coriolis wrote:

[quote="Electronegativity"]

  

With the comparator hooked up to nothing it actually generates pretty random bits, but it seems to favor 0 a little over 1.

 
[/quote]Sounds like a job for a binomial stochastic transform. If you can plot the density function of the numbers produced to see what the probability of p and q are (the likelyhood of it being a 0 or 1 respectively), you can do several things to get it to be p=q=0.5, the easiest is the rejection method. Say p=0.75 and q=0.25, if you throw away every 3rd 0 you obtain (don't use and get a new value instead), p and q will become 0.5.

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