Recent content by thunder1

  1. thunder1

    rechargeable battries

    so what if i leave them uncharged for long time??
  2. thunder1

    rechargeable battries

    plz give me some guide lines abt rechargable battries (dry cells) to improve thier life as long as possible
  3. thunder1

    4 bit binary counter

    hi there, here i've a binary counter whichs connections are shown in attachment , plz check if there is any thing wrong with it. it's no is :74193  4 bits programmable binary counter its clock signal is from shaft encoder the problem is not counting at all or count like this:13579  .  the...
  4. thunder1

    Shaft encoder

    Hello all i sent asking about how to make my counter works properly well now the matter became so horrible i'll tell u what i did & need anyone to tell me comment & guide me coz this is my first practical work, im working lonely too, no team plz dont laugh at me i got an optocoupler...
  5. thunder1

    PCB Design

    Hello all can anyone teach me how to use the program Eagle to make a design on a board?? im saying eagle coz this is the program i have but if anyone else of u have any other program for PCB design & can send it to me & teach me how to use it, i'd b really very grateful & thank u...
  6. thunder1

    hot air gun

    high kasa miko, look !  tell me how should be the position of the heat gun , should i start from the corner of chipset or apply it to all sides? and the other question is till wut tempreture the ic can resist? thanks!!!!!!!!!!!!!!!!!!!!!
  7. thunder1

    hot air gun

    hi thanks Mp for your guidance i just wanted to know about the tools which are commonly used for desoldering. about my device it's made in china and there is no doubt that this has been made at home ,so no manifacture's name and address , 
  8. thunder1

    hot air gun

    i've bought a hot air gun mashin '"i don't know really wut terminolgy is used for dis mashin but i name it hot gun'' 4 desolding smd chips but i don't know how to use it  , it has 2 variable controles one is for air pressure and d other is 4 heater so any one can help me abt dat wut tempreture...
  9. thunder1

    deawoo

    any one give me this tv's service manual deawoo model:DTC-2072
  10. thunder1

    tape recorder

    a tabe recorder which works on 120vac has been connected to 220vac when i checked it just the fuse was blown and the transformer was ok.but when i changed the fuse its on standby and do not be on  plz tell me where should i check. in wut may be the problem?
  11. thunder1

    latest list of vcd players ic's Rf pin number

    i want the list of cd players ic pin number for Rf out put some samples of ic's are as following: ks9282 cxd1167q lc760n saa7310 hd49233afs..... ............................... i've these ic's pin number i want the new list of ic's
  12. thunder1

    if invert a sound wave

    if sound wave is inverted will it be understadable or not?or it will not effect on the sound
  13. thunder1

    plane motors

    hmmm.and about the servo motors?
  14. thunder1

    plane motors

    how to increase armatur current?
  15. thunder1

    plane motors

    dc motors which are used in palnes(toy) does they are different from common dc motors.or there is a circuit to speed up them?
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