[vcf-midatlantic] A little electronics hack
sentrytv at yahoo.com
Sun Sep 29 14:13:09 EDT 2019
Yeah just put a penny in the fuse box
My extremely complicated, hand held electronic device.
> On Sep 29, 2019, at 1:55 PM, Mike Loewen via vcf-midatlantic <vcf-midatlantic at lists.vcfed.org> wrote:
>> On Sun, 29 Sep 2019, Evan Koblentz via vcf-midatlantic wrote:
>> Neville noticed something that I wouldn't have. The circuitry contains a
>> safety mechanism to shut off all power if the current jumps too high, such
>> as a kid inserting a paper clip. There's probably a technical name for that
>> but I do not know it. Anyway, for unknown reasons this circuit was kicking
>> in! He jumped it with an equal-length wire. :)
> It's called a 'crowbar' circuit. Prevents things from burning up.
> Mike Loewen mloewen at cpumagic.scol.pa.us
> Old Technology http://q7.neurotica.com/Oldtech/
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