From 8b85eb300b63a80160d2f38be8b0f2a0816a93a1 Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@robocracy.org>
Date: Fri, 27 Jul 2012 14:38:27 -0700
Subject: misc tricks and notes

---
 electronics/misc.page | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'electronics')

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
 
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