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  1. M

    Need Help with a USB Passthrough

    Try higher mAh - the RS one I listed above should work, and it's cheap
  2. M

    Need Help with a USB Passthrough

    Not that anyone has found, yet. Belkin and others make USB wall chargers, but they all seem to be 500mAh or so.
  3. M

    Need Help with a USB Passthrough

    Radio Shack has a 4.5v, 1600mAh wall adapter, here. Edit: You'd have to cut the end off and make a connection for your passthrough. I bought a long USB extension cable (male and female ends) and wired it up that way.
  4. M

    5V Regulator or DC Booster: Which is better?

    If you look at the "package/pins" column, the EUU models have the pins and the EUV models have the solder balls.
  5. M

    Need Help with a USB Passthrough

    any way to open it up so you can check the voltage when you're actually vaping on it?
  6. M

    Need Help with a USB Passthrough

    If you're getting 5v, I wouldn't *think* it was defective. It's possible you could be having some sag from small-gauge wiring - I know that with my passthrough, I have to have the AC adapter set at 6.5v to get an actual 5v at the atomizer.
  7. M

    Need Help with a USB Passthrough

    do you have a multimeter? if so, take the atomizer off the passthrough, set the multimeter to DC volts and hold the leads on the atomizer connector (center and outside, being careful to not short them together) and hit the button - you should see 5v. let us know what you get.
  8. M

    Need Help with a USB Passthrough

    Most USB ports will provide at least .5A, some will provide more (newer computers). Some people have killed the USB ports on their computer, some haven't. Safest bet is to use an AC adapter of some sort - it's best if it supplies over 1A (1000mAh), and over 1.5A is even better.
  9. M

    Has anyone found where to buy 2.5 Volt battery's

    Maybe just a little bit, yeah.... :p
  10. M

    5V Regulator or DC Booster: Which is better?

    smonomo - When my parts make it in, I'll see what I can do about a walkthrough. Connecting the capacitors together isn't hard, but it's fiddly - if you bend the legs of the 22uf capacitors, then you can solder the leg and a wire to the pad of the 100uf capacitor at the same time - that's the...
  11. M

    Has anyone found where to buy 2.5 Volt battery's

    As stated above, the battery chemistry doesn't support it. So, the choice is up to you; CR123 lithiums with a resistor/regulator, or *FOUR* AA/AAA 1.2v lithiums - both get you right at 5v.
  12. M

    Has anyone found where to buy 2.5 Volt battery's

    If you thought shorting out a lithium ion battery was bad, try it with a supercap. I've seen screwdriver tips (the tool, not the pv) blown completely off shorting a capacitor.
  13. M

    Has anyone found where to buy 2.5 Volt battery's

    Ok - you can use a small resistor or a voltage regulator to pull the voltage down to 5v.
  14. M

    Has anyone found where to buy 2.5 Volt battery's

    IIRC, there's only 3v and 3.7v lithium batteries - I could be mistaken, though. The 3v batteries run about 3.2v at full charge. The 3.7v run about 4.2v fully charged.
  15. M

    Has anyone found where to buy 2.5 Volt battery's

    I don't think there's a 2.5v battery out there, unless it's maybe in some sort of pack. If so, it's probably going to be rare and expensive. What are you trying to do, if I may ask? Maybe there's an easier workaround.
  16. M

    5V Regulator or DC Booster: Which is better?

    You have to 'stack' the capacitors, one of each between ground and Vin, and ground and Vout. Digi-Key - 445-2882-ND (Manufacturer - FK26Y5V1A226Z) Digi-Key - 495-1529-1-ND (Manufacturer - B45197A2107K409) I bent the legs on the 22uf caps and soldered them to the pads on the 100uf caps along...
  17. M

    Unprotected CR2 Batteries in My Mod?- How I make them safer, please read if your making yourself one.

    Yes, you're absolutely right to tell him that - he's risking blowing up his batts with the dissimilar voltages.
  18. M

    5V Regulator or DC Booster: Which is better?

    I'm waiting for some more parts to finish a booster build. youfill - it's the PTN04050C boost converter from TI - warm up your samples account! NB: several people that have used them (Nuck and others) recommend the capacitors to smooth out the ripple and make it more stable so that it...
  19. M

    have a few mod questions

    I'm overseas, so I bought all my parts online. If you decide to use 'normal' AA sized batteries for a future mod, I definitely add my recommendation to Nicowolf's in regard to the AA box with on/off switch mentioned in her thread. I've built 2-battery series and parallel nicosticks using a...
  20. M

    have a few mod questions

    BE112 is the equivalent of an 801.
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