atomic_fungus (atomic_fungus) wrote,
atomic_fungus
atomic_fungus

#5128: Necessity is the mother of invention!

So, last night--

Mrs. Fungus wanted tacos. I thought that was a good idea, and had to stop at the store for Pepsi anyway, so I got an avocado and some tamales and some ground beef. I splurged on the latter, paying a premium for a pound and a half of 85% lean. Leftovers FTW!!

Got home, made a delicious dinner...and forgot to turn the stove off. When I went to bed around 2:30 AM, the leftover taco meat--about 0.8 pounds' worth--was taco meat jerky.

*sigh*

Anyway, today on my way to work I realized that I could do something about this. I only need a reminder, something to jog the old noodle when fatigue and hunger dull the edge. It occurred to me that the stove uses indicator lights to show which burners are hot, and further there's another indicator which shows whether anything is on or not.

I could, I reasoned, tap into the voltage on that light, and use it to trip a 555 timer. When the "cooktop on" light goes on, that would tell a 555 timer to start counting, and if it reached 1.5 hours before the light went off (because the stove was shut off) an alarm would sound. For those very rare occasions when I need to cook something longer (such as when I make corned beef) a single reset button would reset the timer and it would go off after another 1.5 hours.

There is one minor issue: I don't know if you can get a 1.5 hour interval out of a 555 timer in one-shot mode, at least not reliably; I may need a different kind of timer to do it. That's not a show stopper or a deal breaker; I just go right to the 555 timer because it's versatile and useful, and I have probably half a dozen of them in my electronics kit downstairs. If the 555 won't do it, I can find any number of other one-shot timers that would--and probably not for more than a finski, shipped.

"Power"? I can build a small power supply that'll take power from the AC input; that's not a problem. (Just one phase, though. I don't need 240v.) But the circuit is a simple one and I don't need anything like a microcontroller to do this; I just need a timer and a beeper and some miscellanious components.

So I'm gonna hack my stove!! Pity I threw out the prototype board last year. *sigh*

* * *

Related stories:

Obama says he's going to finish ISIS off before the end of his term. That's January 20, by the way, of next year.

Lockheed is ramping up production of laser-guided bombs. Because Obama was going to bring all the troops home, remember?

* * *

Number 39,235 in the "we're in a frickin' DEPRESSION" file.

* * *

"It’s been warm, and it’s been cold. Believe me, warm is better." We will never get to the runaway state the warmistas fear, but we can easily get runaway cold because it's happened dozens of times in Earth's history. These periods of runaway global cooling are referred to as ice ages and they cover about 70% of the world's surface--not just the land but the surface--with ice, miles thick.

I'd much rather have warming than cooling.

* * *

The Trumpening is exactly the same as the Rabid Puppies vs Hugo awards. Exactly the same, and for exactly the same reasons.

Strength isn't endurance. A bodybuilder can lift a lot of weight, but he's not going to do it very much before he can't lift any longer. This has ramifications for politics.

* * *

It's very very big. Thanks to Og, I have this. It's emphatically NOT SAFE FOR WORK but it's hilarious.

"My dick's so big it lives next door." Words to live by. Or something.
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