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WTB: Voltmeter Display

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deception

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Nov 12, 2011
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its quite small, just bigger than my thumbnail. have to cut a nice window out of the box and solder it in after the trimpot... epoxy in place... et voila....... my box is a 4 batt box...

I see. I'm thinking I might include a switch to switch between the voltage directly off the connector and directly off the batts. I have a lot of ideas but I need to build the power supply regulator first before installing any add ons.
 

circuitsucka

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Sep 27, 2011
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With the trim pot and constant voltage reading, should not need a regulator.... My vv mod is just for me to slack and play around with attys or vape at my desk. Otherwise I am always holding on to me gg or using the Don in mini mode to stealth vape in public


Sent from my iPhone
SS GGTS #308 & #1028, UFS, Megalodon, Xhaler, SuperTanker
 
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deception

Senior Member
ECF Veteran
Verified Member
Nov 12, 2011
159
11
Singapore
With the trim pot and constant voltage reading, should not need a regulator.... My vv mod is just for me to slack and play around with attys or Vape at my desk. Otherwise I am always holding on to me gg or using the Don in mini mode to stealth Vape in public


Sent from my iPhone
SS GGTS #308 & #1028, UFS, Megalodon, Xhaler, SuperTanker

Ya I know. But if I link the pot in series it will severely limit the current going to the atty. And if I parallel the current will be not consistent due to divider rule. Besides. I'm stacking the batts to a 7.4v.

I'm building one so that my colleagues will benefit too. Too much a risk nowadays to bring in.
 

Domtine

Lim Peh
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Oct 19, 2011
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u can try lm1085-50 as alternative. Vin(min) is 6.5V though. I've got it lying around in my house and I'm in for 2 days of nagging if my wife fiddling with PVs and she's on maternity leave.... I'm in for a long wait.

Check out the data sheet on RS. I can singpost to u if u want it. I got 2 pcs lying around and it's BNIB
 

circuitsucka

Super Member
ECF Veteran
Sep 27, 2011
337
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Tin Hill
There is another good use for the mini display, I just made a mini voltmeter like so


Sent from my iPhone
SS GGTS #308 & #1028, UFS, Megalodon, Xhaler, SuperTanker
 

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