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  1. caesar

    Hi voltage without (hopefully) the meltdown

    7805 and LM117-317 will get so hot that they can melt the plastic box you use them in. Sadly a sink won't help much in such a tiny plastic box. You must look into PWM controlled MOSFET or step-down converters for this mission.
  2. caesar

    Modder's Printed Circuit Board

    I think mogur thought about using a MCP73831/73832 charger chip from Microchip (sot32 with 5 pins) http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1335&dDocName=en026250 They look very simple to implement. I can do a few single sided surface mount boards at home...
  3. caesar

    Lungs after switching

    Smoked for 15 years at least 1ppd. I had troubles using the stairs because I was loosing my breath, now I climb them 2 at once without a problem. I'm completely analog free for 61 days now and alternating between 0 nic juice and low.
  4. caesar

    Lets try to get this atomizer issue corrected.

    I drip, no carts for me, they are just a loss of time, 2 drops in the atty and I'm good to go. 2 drops are around 15 puffs and equals 1 cig for me, that way I could keep track if I ever felt the need. RN4081's are used with regular bought juice (PG based). I started with a RN4081 kit. It...
  5. caesar

    Modder's Printed Circuit Board

    This was the chip I found in my chargers: http://www.e-cigarette-forum.com/forum/e-cig-technical-issues/8852-li-ion-batteries-truth-6.html#post352578 It looks different from the one mogur found :confused:
  6. caesar

    Modder's Printed Circuit Board

    Just a quick Q: you intend to use the PIC to controll the batt charging? Because that would also require a voltage reference (internal is not good as it will fluctuate depending on USB voltage) otherwise it is just an expolosion waiting to happen.
  7. caesar

    My Bad ....*

    Nice! I've tried it myself with 4 attys but inconvenience was too big. Just as a sidenote, those two different batts are just trouble. Have a look into two Lithium batts powering two attys, should be much safer ;) (you can tie the positive separate and the negative through the switch)
  8. caesar

    GG apologies

    To keep ontopic, I just want to apologize for breaking Imeo's "yes" streak. Although tehnically he just stopped responding ;) Ei caesar, you stopped responding!!! Didnt you saw my answer about the mixxed metals resistance?
  9. caesar

    Oh no not another battery questions thread!

    Mamu, in theory there should be no difference but the best answer is from somebody that has tried it. I really hoped you would keep the yes answering streak :p No freebie for me then :rolleyes:
  10. caesar

    Oh no not another battery questions thread!

    I have to say it: could I have a free GG transformer pretty please :confused:
  11. caesar

    fair price for 30ml bottle

    Thanks truckdrivingmouse for taking the time to help us! You brought happiness in our lives. I just realized the hits your inbox must have got.
  12. caesar

    Question - end caps for GG = spring, metal plate, other?

    Well, please don't flame! There is a difference and I believe you. The explanation is also very simple. It has nothing to do with materials because at that thickness the resistance won't make any difference from a 22 gauge wire. But it has everything to do with attys. I have 901 attys from...
  13. caesar

    Question - end caps for GG = spring, metal plate, other?

    If no room left inside then there are 2 options: - either an atty adapter that sets voltage - or add another small piece to the transformer to put a disc in the disc would be more like 5-6mm then those 2-3mm wegster implied.
  14. caesar

    GG auto feeding system

    Gone smoking the direct feed GG :hubba: Now only if you can store at least 5ml in that round metallic pocket :p
  15. caesar

    GG auto feeding system

    No carts anymore? I think you'll have me as a customer, right after I get used with buttons. They say it's a girl :cool:
  16. caesar

    GG auto feeding system

    Nice daughter! Will have one myself in 2 months. Well, the GG is indestructible, and now vapes for a looong time, I had to refill twice while watching the video. I knew it, you're building a perpetuum mobile :D
  17. caesar

    Idea for multi pack, with style?

    If you really are looking into a multipack, then why not go for a 6000mAh pack? Li-po can be used in parallel if matched and 6Amps should keep a mad vaper for a week. SparkFun Electronics - Polymer Lithium Ion Batteries - 6Ah The size is roughly the same of 4 AA batteries so it should fit...
  18. caesar

    Drag sensor in batteries

    Today I took apart an auto USB passthrough and inspected 2 other batteries. 1st model: It seems that some are using some form of mechanical contraption to make a tiny contact that the microcontroller then uses to drive a mosfet transistor that powers the atty. These could be cleaned of juice...
  19. caesar

    901 battery LED question

    On the small round PCB there are 2 leds (or one depending on version) and an even smaller black thingy. That one is the resistor, so yes, you will need a resistor if you take out the LED or directly power the small PCB with the included resistor.
  20. caesar

    Atomizer No No

    I would not use that superglue added atty because of the cyanoacrilates. Very dangerous stuff to inhale!
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