AC DC converted and regulated

161

02:32:06

First attempt

Firstly, I'm pretty much new to this, so any pointers on bad practice would be great!

How do I prevent 'noise' affecting my circuit?

published 11 years ago

Elieder

11 years ago

NAND gates works like NOR gates when the two inputs are equals (0 NOR/NAND 0 = 1, 1 NOR/NAND 1 = 0). The diference appers when the bits are different, NOR will give 0 and NAND will give 1. Set the green led on and blue off then see the result.

Elieder

11 years ago

You are using a 15v AC, for this circuit this is ok, but in a real circuit if your AC voltage are higher (like 115v), it's a good idea use a transformer to make a separation of your high voltage circuit side from low voltage side. So, you protect the circuit from an accidental short that can easily hurt or kill depending of use. See USB chargers security and risks on net for more details

trotsky2017

11 years ago

Cheers for the feedback Elieder! I'll take that on board!

Sine_eyed

11 years ago

Looks to me like you have a fair idea of what's going on. Thank goodness lol! Ok so with digital logic gates, understand that they only deal in binary. The inputs want a signal at all times- and in binary, that signal should be high, or low. See how you have switches tied to the gates? Well you're on the right track, but with SPSTs if they're open there's no signal. No high, no low- no good. I'm thinking you can solve your little problem here so I'll leave you to it, and not lead you through it. Keep in mind that binary means high or low, not on or off. One more clue: DPST

trotsky2017

11 years ago

Thanks Sine_eyed.. That makes sense to me! I appreciate the nudge in the right direction.. Ive gotta say, I am enjoying this app so far!

Sine_eyed

11 years ago

X^) Ha, I knew you'd figure it out! Nicely done. And welcome to EC. There's lots to learn here, and it's even possible to have fun while you're doing it lol. As you've just found out, the program likes to have certain criteria met to give a solid simulation. Really not too many of these wtf's to learn though. But if you do have any questions, don't be shy..

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