[sdiy] Fun with LFSRs and such

[blacet at blacet.com]

---Interesting. What voltage are running that on?

If that violet LED is one of the new ones, it may be very bright with a 1K
resistor!

> A linear feedback shift register (LFSR) can be used as a pseudo-random
> noise source, as has been well documented here, there, everywhere.
>
> But it becomes more interesting when it's used as a LF gate, and gets
> even more interesting when the taps are chosen with "good" noise
> not in mind. Long sequences of '1' or '0' intermingled with bursts
> of more random behaviour = golden!
>
> So I present to you a circuit. I've got an LFSR which gates a NAND
> synth. Have a look at the schematic:
>
> http://www.meccanion.com/circuits/LFSR_NAND_synth_Rev_C.pdf
>
> No sounds uploaded yet, but imagine armaggedon taking place in a
> 1980s video arcade.....
>
> - Colin
>
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