EverCool Variable Voltage Mod
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tlocke, No problem... I love the new ideas; this thread has come a long way since I started it.
CapeCAD, since I am the one that started this thread I thought it would be ok to comment to one of the original posters WillyB ....how far this thread has come. If you read something else into my post .
It's all good, I'm just trying to keep the information flowing and help everyone understand the details and advantages of a switching converter over a linear regulator.
Would like to use a 4pos dip switch in place of pot, to make it easier to change volts.
If starting with a 357 resistor for 3.9volts and having 4pos dipswitch paralleled with a
12k resistor pos 1 to change output approx .1volt
6k in position 2 changing output approx .2volts and
3k in pos 3 & 4 should change output .4volts ea.
This should give you 12 different settings from 3.9 to 5volts
in .1 volt increments by varying the position of dip switches
I would like to use small 1/8 watt resistors and a switch like
Digi-Key - 450-1358-ND (Manufacturer - ADF0404)
This should work any thoughts
If starting with a 357 resistor for 3.9volts and having 4pos dipswitch paralleled with a
12k resistor pos 1 to change output approx .1volt
6k in position 2 changing output approx .2volts and
3k in pos 3 & 4 should change output .4volts ea.
This should give you 12 different settings from 3.9 to 5volts
in .1 volt increments by varying the position of dip switches
I would like to use small 1/8 watt resistors and a switch like
Digi-Key - 450-1358-ND (Manufacturer - ADF0404)
This should work any thoughts
Madvapes is great!! Just got in my order and did some heavy duty soldering and got my PTR08100 done with a 50 ohm resister + 330 ohm resister total 0f 382 omh and a white 3 AA battery box with black 3A switch. It vapes well at 3.72v and its good looking too. but i did not add the 100uF 16v caps because i ran out last week and my order was delayed from freaking E-gay. Here some pics of snow white.
ooh and the black little rectangular thingy is a rubber stopper if i so happen to leave the switch on and the rubber peace helps it from not getting pressed in my pocket
ooh and the black little rectangular thingy is a rubber stopper if i so happen to leave the switch on and the rubber peace helps it from not getting pressed in my pocket
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The white one looks very sharp.... I like the idea of the stopper too.
For me It's not the color, but how thick and sturdy the top piece (holding the connector) looks compared to my Jameco boxes.
Bah, a 2 mths old VV box went intermittent on me because the juice somehow made its way into my switch. the contacts seems screwed. cant change the switch because i drowned it with epoxy. pffft. Gonna dismantle the chip and redo a new one.
Ouch. That's why I never epoxy my switch. Use the nut to keep in there....just in case.
Cr123 are 17mm round the 14500 used in this are 14 mm round. Cr123 are shorter by about 15 mm. So i guess you could make a shorter but fatter mod with cr123's
Well thats basically what the infinity is from notcigs, a nicely machined evercool in a tube.
I have seen a VV mod built in a 2AA box using w cr2's, so I'd say it could be done in a tube. Breaktru built a VV copper tube mod. Post pics when you're done
Just wanted to thank you guys for this thread. I made my first vv mod and its awesome. Couldnt of done it with out you.
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