Anti-Static -------------- Great video about static disipative and static shielding bagies from EEVblog: Summary: "pink" bags and tubes just prevent static buildup (regular bubble or plastic wrap can generate hundreds or thousands of volts pretty easily just by rubbing; non-conductive foam is pretty nasty too). Silver/metalic baggies actually prevent external discharges or shocks from harming ICs inside. If you use a shielding bag, you still need to make sure all the materials inside will not build up a charge. Random Number Generators ---------------------------- - `Wikipedia overview `_ - `Wikipedia comparison of devices `_ - `Entropy Key `_: 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/ - 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/)