The all-new El ...... Mini Touch (mouth activated)...

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Scubabatdan

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Dan - the proximity touch circuit you describe would provide an off/on function to the atty, but it wouldn't provide the power to fire the atty up would it? My query was more about whether the human body can provide the function of the existing negative wire in the circuit - so that it can be eliminated. I expect this is impossible.

I would love to have a proximity switch - but building one is beyond my still level at the moment.

Ummmm yes it is designed to fire the atty. Te atmel chip picks up the static in your body and sends a small 1ma charge to the mosfet switch collapsing the gate that completes the circuit to the atty turning it on. It would work perfectly in this senario.
Dan
 

Scubabatdan

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But the body acts as the negative side of the circuit in this description, not the gate trigger. Please don't try this.

Please dont try this?? I already have, when I touch the two wires the gate closes and powers the atty direct from the battery negitive side. The pos is direct active. The body does not act as the neg side of the circuit. There is a smal amount of power going to the mesh, so when the field change is sensed the atmel chip send the power to the mosfet closing the gate. the circuit is then complete and. It does not run though you to the mosfet. The atty circuit is a diferent circuit than the sense circuit.
Dan

Added, now you have me thinking, I need to go back and look at the atmel chips circuitry and see what comes out of pin mumber 3.

39494d1305922480-tired-manual-switches-simple-touch-switch-pass-thru-under-15-00-prox-circuit.jpg
 
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asdaq

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Dan - the proximity touch circuit you describe would provide an off/on function to the atty, but it wouldn't provide the power to fire the atty up would it? My query was more about whether the human body can provide the function of the existing negative wire in the circuit - so that it can be eliminated. I expect this is impossible.

I would love to have a proximity switch - but building one is beyond my skill level at the moment.

My query was more about whether the human body can provide the function of the existing negative wire in the circuit - so that it can be eliminated.

Dan, you have something different.
 

jimbalny

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I've been zapped by way more than 5 volts and I'm still here. Well it is amperage that kills you. Under the right conditions it only takes a couple of milli amps though. I've gotten zapped with 270 volts hugging a waste pipe while standing on the top of a ladder. I've since practiced proper ladder safety needless to say. Heart palpitations for the rest of the day BAD ... :)
 

Dalton63841

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I've been zapped by way more than 5 volts and I'm still here. Well it is amperage that kills you. Under the right conditions it only takes a couple of milli amps though. I've gotten zapped with 270 volts hugging a waste pipe while standing on the top of a ladder. I've since practiced proper ladder safety needless to say. Heart palpitations for the rest of the day BAD ... :)

Ouch...never happened to me, but I've seen it happen and have a very healthy(okay, somewhat obsessive) respect for electricity. When me and my now ex-wife moved into our first home, the central H/A did not work. After some diagnosis I came to the conclusion that the breaker must be off, so we go looking for the box. Well she found the fuse, which was a huge blade type. So she figured the box must be close to where it was sitting. Now I was in another room at the time, and she was only 4'10" tall. She started feeling around on top of a shelf about a foot over her head, and wouldn't you know...stuck her hand right on the fuse box terminals. Knocked her back against the opposite wall, and her whole arm was numb the rest of the day. Of course me being me, I made sure she was okay...And then I laughed my *** off, cuz I walked in just in time to see it happen.
 

jimbalny

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Its a very small amount of power going through the sensor, dude. 1000 ohm resistor right before it. 0.02 Watts or something like that? Considering an atomizer is usually just over 2 ohms, its not like your lips are completing the circuit to the atty, first of all even with wet lips its still too much resistance to fire that atomizer even at 5 volts. Ill even try it myself! Ill put it on youtube, but nothing will happen.

Its like this, same way almost everything works in your car. All those little buttons cant take all the amperage whatever they control uses so instead they send a signal to a relay. "YO RELAY!!" relay in turn completes the OTHER circuit. "Alright button, u little bastid ill turn the damn switch on" the end
 

perlionsmitnick

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I've been zapped by way more than 5 volts and I'm still here. Well it is amperage that kills you. Under the right conditions it only takes a couple of milli amps though. I've gotten zapped with 270 volts hugging a waste pipe while standing on the top of a ladder. I've since practiced proper ladder safety needless to say. Heart palpitations for the rest of the day BAD ... :)

Damn Right. Heart palpitations kinda mess up the afternoon. LOL
 
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