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| author | bnewbold <bnewbold@robocracy.org> | 2012-07-27 14:38:27 -0700 |
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| committer | bnewbold <bnewbold@robocracy.org> | 2012-07-27 14:38:27 -0700 |
| commit | 8b85eb300b63a80160d2f38be8b0f2a0816a93a1 (patch) | |
| tree | 7ed0e85632d9079c267d3783b507c40af473400a /electronics | |
| parent | 78d14ca99ddc7b4d1727d330b1aaed4e6502294c (diff) | |
| download | knowledge-8b85eb300b63a80160d2f38be8b0f2a0816a93a1.tar.gz knowledge-8b85eb300b63a80160d2f38be8b0f2a0816a93a1.zip | |
misc tricks and notes
Diffstat (limited to 'electronics')
| -rw-r--r-- | electronics/misc.page | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/electronics/misc.page b/electronics/misc.page index d092bb5..6503b98 100644 --- a/electronics/misc.page +++ b/electronics/misc.page @@ -19,4 +19,11 @@ Random Number Generators - `Wikipedia comparison of devices <http://en.wikipedia.org/wiki/Comparison_of_hardware_random_number_generators>`_ - `Entropy Key <http://www.entropykey.co.uk>`_: a $50 USB key using avalanche noise from two P-N junctions; lots of support and features. +- Overview of cheap avalanche technique: http://web.jfet.org/hw-rng.html +- whirlygig CPLD-based source: http://warmcat.com/_wp/whirlygig-rng/ + +See also: + +- http://en.wikipedia.org/wiki/A_Million_Random_Digits_with_100,000_Normal_Deviates +- http://en.wikipedia.org/wiki/Nothing_up_my_sleeve_number |