From 2ce2d07a7e1d824fa7cdef397028fd348ad84661 Mon Sep 17 00:00:00 2001 From: bnewbold Date: Thu, 2 Aug 2012 14:02:53 -0700 Subject: backup various rough notes --- electronics/misc.page | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'electronics') 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/) -- cgit v1.2.3