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  1. pharaon

    measuring output current circuit ?

    why would i need that since current draw is determined by the appliance? all what i want is to figure out how to make the phone draw out of that model higher current rate. the original charger doesn't give any voltage on the D+ , D- to be able to measure the drain current from the main...
  2. pharaon

    measuring output current circuit ?

    i measured across D+ and D- on the original charger and it was shorted, then i measured the drained current from the charger and it was 0.85 A.." main charger" then i connect the module to my car cigarette plug the output for charging were 0.06 A, but when i accidentally +5v and D+ the charging...
  3. pharaon

    Help needed to understanding why only the left-hand part of a remote control works.

    can you put pictures it will help
  4. pharaon

    Help needed to understanding why only the left-hand part of a remote control works.

    since the left-hand part is working then the remote is working here's my suggestion and it will work like charm little foil paper "aluminum" under the rubber button, stick it to the rubber button with little of super fast glue , and that will make it work fine for any stop responding button and...
  5. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    yes so it can make cold air movement inside the fridge i dont't have such one in my city
  6. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    ok but can i ask how can the output 12v dc cause shock? isn't it just 12v?
  7. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    have you tried it before?
  8. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    any other transform-less way?
  9. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    this size also EBMpapst and etri does not exist in my country and if it does it will be expensive
  10. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    i want something small to put inside a fridge
  11. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    do you mean the DC 12V output leads?
  12. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    i don't want to use transformer
  13. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    pi stands for? F = farad C stand for? what is e-6? so which one of those should i use? also what should be the AC voltage when connect the capacitor in series ?
  14. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    thanks for your post, and yes i'm still learning can you explain this in numbers, for example what is C
  15. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    why?
  16. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    small board to solder the component and then heat shrink
  17. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    i'm gonna use 12 dc fan one of those like pc fan inside my old fridge to make good coolant , and will connect it to the thermostat to run and stop as the fridge work so i need something small
  18. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    i wonder how to calculate the voltage after the ceramic capacitor
  19. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    That's can be controlled by the zener diode Sure I'll isolate it Can you give me link for such one The one that used ia ceramic capacitor 400V that run on 220 ac source
  20. pharaon

    advantage and disadvatnge of AC to DC converter circuit

    i would like to know what is the advantage and disadvantage of such circuit if it will be used to power on 12v fan
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