[TriLUG] OT: local source for logic ICs?

Steve Litt slitt at troubleshooters.com
Fri Jan 16 18:22:53 EST 2015


On Fri, 16 Jan 2015 17:20:32 -0500
"Peter Neilson" <neilson at windstream.net> wrote:

> On Fri, Jan 16, 2015 at 1:39 PM, Chris Merrill
> <chris at webperformance.com> wrote:
> 
> > flashing lights
> 
> My uncle built me a flashing light from three tiny 30-volt batteries,
> a resistor, a capacitor, and an NE-2 neon bulb. It makes an RC
> relaxation oscillator where the R slowly lets the voltage increase
> across the C until it gets to the neon's firing voltage, which is
> about 60 volts. I was like maybe 8 years old. Just what I needed.
> Uncle taught me to solder, as well. I am incapable of making a bad
> solder joint, and I'll bet a few of the other old-timers here can say
> that. too.

I took a 12 volt battery charger, put it into a flip flop circuit that
used TO3 transistors, put that into an ignition coil, and threw a
continuous 1/2 inch spark that would instantly flame paper you put in
the gap.

Sad thing was, I was 33 when I did that, LOL.

SteveT

Steve Litt                *  http://www.troubleshooters.com/
Troubleshooting Training  *  Human Performance



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