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Raspberry Pi HAT with random noise and number generator circuits

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Name		Name	Last commit message	Last commit date
Latest commit History 71 Commits
comms		comms
dieharder		dieharder
rng		rng
schematic		schematic
.gitmodules		.gitmodules
Makefile		Makefile
README.md		README.md
a.out		a.out
cli.c		cli.c
main.c		main.c

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rng_piHAT

Pi HAT with randon noise and number generators

Design

PCB

Schematic

Hardware Random Number Generators

Some notes for potential use

Potential entropy sources (with a combination of other parts):

one of the many amps or comparators I have
PC817 optocoupler
CD4047 CMOS monostable/astable multivibrator
NE555 timer
PT2399 digital delay echo audio processor
Linear Feedback Shift Register

Avalanche noise generator

The avalanche noise generator circuit consists of:

2x 4.7k resistors
1x 10k resistor
1x 1m resistor
3x 3904 NPN transistors
10uf capacitor
0.1uf capacitor

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Raspberry Pi HAT with random noise and number generator circuits

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