TTL homebrew CPUs
mcguire at neurotica.com
Mon Jul 9 17:45:52 CDT 2007
On Jul 9, 2007, at 5:51 PM, Tony Duell wrote:
>> recycled industry application notes), that required some special
>> only available at their or associated stores. Having seen the nth PIC
>> application that basically blinks a LED - what my generation built
>> 2 transistors, 2 capacitors, 4 resistors - is lame.
> You're making me feel very old. When I was a kid, I used to make a
> bulb blink using one resistor and one capacitor.
Relaxation oscillators are fun. I like the UJT version as well,
though UJTs are getting harder to find than they once were. I have
two or three 2N2646 UJTs left.
Port Charlotte, FL
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