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Calculating load requirements

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MonMotha:
TI has a free version of TINA (TINA-TI) on their website.  Probably sufficient for your use.  There's also LTSpice, which is what I usually use.

SavannahLion:
That's weird.... what happened to the last post?

SavannahLion:
Well  :censored:

Dunno what happened and I'm in no mood to recreate the post so here's the picture again.

I think I have an improved version in the works.

I tried to finish up this circuit but I discovered that I lack the key RC combo to make the whole damn thing work. I also ran out of 10k resistors. Checked Metro Electronics and they want $7 for 200 resistors. ugh..... :-\

MonMotha:
Sorry I never got around to looking at this.  I haven't had the time to actually determine if your circuit works, but at a quick glance, I wouldn't worry too much about the power consumption.  Probably no more than a few dozen mA.

SavannahLion:
No biggie. While at work, I get so bored that I created a new version of this circuit and created two others that don't use a 555. They seem to work OK in the simulator (though if I don't use a 555. there's always a delay on switch open I can't quite resolve) Now if I can find the time to actually put a RW circuit together and see just how accurate my simulations are, I'll be gold.

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