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  1. thunder1

    rechargeable battries

    plz give me some guide lines abt rechargable battries (dry cells) to improve thier life as long as possible
  2. 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...
  3. 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...
  4. 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...
  5. thunder1

    deawoo

    any one give me this tv's service manual deawoo model:DTC-2072
  6. 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?
  7. 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
  8. 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
  9. 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?
  10. thunder1

    tvscope

    hi i have this circuit which is to make an occiloscope by tv but i havn't test is my self and i don't know how active is this.plz see this and tell me wut u get!
  11. thunder1

    TELEPHONE blaster

    is there is any way to distroy some ones telephone kit while he is calling u? plz hlp me :-[ bcuz someone is disturbing me thanx :)
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