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| author | bnewbold <bnewbold@robocracy.org> | 2012-08-02 14:02:53 -0700 |
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| committer | bnewbold <bnewbold@robocracy.org> | 2012-08-02 14:02:53 -0700 |
| commit | 2ce2d07a7e1d824fa7cdef397028fd348ad84661 (patch) | |
| tree | bed2d7a69aadb71524275aa19ab223752ffeaf4d /electronics | |
| parent | 202db99f3d2a7c28f3d7138c9b6fae4418a55f0d (diff) | |
| download | knowledge-2ce2d07a7e1d824fa7cdef397028fd348ad84661.tar.gz knowledge-2ce2d07a7e1d824fa7cdef397028fd348ad84661.zip | |
backup various rough notes
Diffstat (limited to 'electronics')
| -rw-r--r-- | electronics/misc.page | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/electronics/misc.page b/electronics/misc.page index 6503b98..45071c5 100644 --- a/electronics/misc.page +++ b/electronics/misc.page @@ -21,9 +21,22 @@ Random Number Generators 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/ +- a bunch of resources: http://www.cs.berkeley.edu/~daw/rnd/ +- more: http://robertnz.net/rng_rep.htm +- one open design (as a shield): http://1010.co.uk/org/notes.html#45 +- IEEE article: http://spectrum.ieee.org/computing/hardware/behind-intels-new-randomnumber-generator/0 +- basic design: http://www.cryogenius.com/hardware/isarng/ http://www.cryogenius.com/hardware/rng/ + +Breakdown of the base-emitter junction of a 2N3904 happens at about 6v, +accoding to: http://sentex.ca/~mec1995/tutorial/xtor/xtor6/xtor6.html 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 +STM32 Toolchain Guides +------------------------- + +"STM32/ARM Cortex-M3 HOWTO: Development under Ubuntu (Debian)" (from +fun-tech.se: http://fun-tech.se/stm32/) |