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  1. J

    Question: Ego/riva electronics AW battery

    yes you can.if you use protected batt it`s possible to not work with a series of ego electronics, but you can use unprotected.
  2. J

    WTH am I doing wrong... LM2596 VV Box not VV-ing

    where write In+ you in with voltage from that two battery series connected. On Out put voltmeter . between IC and trimer you have a SMD resistor, it`s ok or is broken? From your descriptions most likely not work feedback divider and have two resistor a SMD and trimmer.Check out the layout...
  3. J

    ACDC v2.1

    today his arrived a ptn04050C, free sample..:D.I don`t know if i build something with that module :laugh:, one of my friend was made a booster modd with this module, and at the first short circuit it have some "popcorn" in the modbox :D, the circuit was burned
  4. J

    ACDC v2.1

    that is so true :).Anyway for 1.5 ohm 3.8V - 4V it`s enough. With mp2307 (Kis33 module) at 1.25 ohmi the voltage limit is 5V :D, not vapping at that voltage, only for test :D
  5. J

    Mosfet circuit for micro switches....just 2 parts needed.

    replace 10K resistor with 1M or 10 M and have a sensitive switch ;) Also if you use a step down regulator IC, and this IC have enable pin you may command with mosfet this pin. (works with lower current).In this case you may use a fet channel P with Vgsts= 1 - 3V (-1 -3V) PS: It`s good if...
  6. J

    ..and my "Eraser"

    the tube (outher casing) was make by an metalworker friend of mine. I made only electronics stuff from 0 and build all in tube.
  7. J

    buck/boost circuit with LTC3113, 1.8V-5.5V max 3A ~96% effectivity

    lm2577 module is not a good solution for modd`s. have higher dropout voltage.
  8. J

    ..and my "Eraser"

    unfortunately i don`t have any pictures with charger circuit.i can say only i made a round pcb, with smd components and a charger IC from linear tehnology.
  9. J

    VVBox and VVpassthru

    when you buy try to info first. For modds the best is LED 1s-6s Lipo Battery Voltage Indicator Checker Tester | eBay. Only wire first two pin to + and GND an you have correct reading.
  10. J

    VVBox and VVpassthru

    like this. IN is in right and out left from your image
  11. J

    buck/boost circuit with LTC3113, 1.8V-5.5V max 3A ~96% effectivity

    :laugh: mosgets :D:laugh: for you, buy PTN04050C from Texas Instruments it`s the best way for newbies in electronics stuff
  12. J

    Schematic for the VV Mod board from MadVapes

    From madvapes you buy it a PCB and some electronic components? Or only components? If is a NCP630A i can draw a schematic for you :)
  13. J

    VVBox and VVpassthru

    ya you use a module.That is problem with module :), the best way is a custom PCB if you know some electronics ;).But is good what you have, it`s need to use a 3A switch.
  14. J

    VVBox and VVpassthru

    lm 2596 have a on/off pin.Use this pin to turn on or off the modd., it`s about of pin number 5.First pull up this pin to + with 220 -270 k resistor (off state), and switch from pin5 to ground to (turn on when press SW). I posted a schematic with lm2576/lm2596 somewhere here on forum.
  15. J

    ..and my "Eraser"

    i use a charging IC from linear tehnology, it`s for 8.4V. However this charger IC it`s a current regulator.Have a "safe" charging, trickle charge, when batt`s have around 4V each start trickle charge.At aproxim 4.2V each stop :). Anyway if someday, somethink is wrong i have 2 protected battery...
  16. J

    Question on a possible Fried NCP630

    how you succeeded this performance :).Sorry ..Next try switching regulators ;)
  17. J

    List of MOD coverters for newbs :)

    range is between 0 - 8.4V as a full charge of battery, and works with 2 battery connected in series. here you have schematics ImageShack® - Online Photo and Video Hosting
  18. J

    ..and my "Eraser"

    thank you all yep is a mini brass screw, voltage is set with a screwdrive, have a trimmer inside.one of image show the little hole where turn left-right the trimmer. it`s was possible to make with digital potentiometer, but increase length of tube. this tube have 125mm and 22 mm diameter.
  19. J

    ..and my "Eraser"

    thank`s is for charger (passtrough).the green is for power and red indicate charge status
  20. J

    ..and my "Eraser"

    ..and
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