Hi Ron! Thank you. I remember you as my first opponent here, in this forum...

• 

 

Hi Ron! Thank you. I remember you as my first opponent here, in this forum...

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Opponent? Oh wait, that was my evil twin.

Ron

 

...I remember you as my first opponent here, in this forum...

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Because that's what forums are all about.

 

Opponent? Oh wait, that was my evil twin.

Really? And I can not differentiate all of you? I will pay attention next times... Thanks, you inform me.

 

Opponent? Oh wait, that was my evil twin.

Ron

mano e mano, closed cage match? Why didn't I see tickets up for sale? I am very disappointed.

 

Because that's what forums are all about.

After visit here, layers of my brain become screwed in different directions, as Rubik's cube. And I long time can not return them in right positions.

 

After visit here, layers of my brain become screwed in different directions, as Rubik's cube. And I long time can not return them in right positions.

I know an 8-year-old who can help.

 

After visit here, layers of my brain become screwed in different directions, as Rubik's cube. And I long time can not return them in right positions.

After reading posts like this one, I agree.

 

I know an 8-year-old who can help.

I very appreciate your advice.

 

After reading posts like this one, I agree.

Thank you for consensus...
=======================
To all:
Lunchtime finished!
Sorry...

 

You say AC, but how does the switch see this AC if it has no reference to zero volts? You could supply a 2v sine wave sitting on a 5v DC level and the switch won't know any different. The theory you refer to doesn't really work at low voltages, it's a more "high voltage" thing, in all likelihood the issue you mention would be easily solved by dripping in some contact cleaner.

What tends to happen with these microswitches, is they get dirty, then the user presses harder and harder trying to get it to work and eventually breaks the switch.

My existing code uses a software sr latch with each +click -click state bound to its specific switch contact. I assume that when the ac goes high the microcontroller would change the state appropriately. That is why I made the thread, to ask about appropriate frequencies of operation. circuit breakers work fine on this principle at 50hz but the response time would be a bit low.

1000hz would be fast enough, except it could be audible. it would be neat if the ac would be +-5v but since the power cord lacks that say 2.5v +- 2v could do.
The other posters have dissuaded me though as ac would not break through the oxides as easily, so the idea could be doomed from the start.