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  1. ante1

    LCD Panel Meter Making Me Very Mad!

    Sounds like cheap low grade quality!
  2. ante1

    Mitsubishi ECU circuit diagram

    Hi roger, Welcome to our forum. These things can be very tricky to get your hands on, unless you know somebody on the inside. May I ask what the purpose is; a mod, repair, tuning or just curiosity?
  3. ante1

    circuit diagrams for a fire and gas detection system/using a 2oo3 voting system?

    An assignment no doubt! At least you did not put this in the wrong place like your class mate did!  8)
  4. ante1

    gating signal for six MOSFETS or SCRS

    An induction motor is not easy to regulate.
  5. ante1

    LCD Panel Meter Making Me Very Mad!

    Hi, Some of these meters has a working voltage of 5.0V, have you checked its datasheet? You might have killed it!  :o
  6. ante1

    etching time

    I agree, that’s good advise!
  7. ante1

    Need help identifying part

    I suppose you don’t have any circuit diagram or a picture to show where this part is located relative other things in the circuit?! That might give some ideas of what this part is doing in its environment.
  8. ante1

    voltage reducer

    Hi hangwaiter, Welcome to our forum. Is this an assignment? 8) Well, if you got DC from your “electronic transformer” you can use a PWM circuit to produce any light intensity between 0 an 100%. This can be a fixed pulse width selected by a switch, as you required. There is really not much...
  9. ante1

    Reducing 6.4V 2,700mah for a pda (ext battery)

    Hi explorador, Don’t forget to put a fuse in there somewhere to protect from disaster! ;)
  10. ante1

    slow moving DC motor

    A small RC servo can be run from a simple 555 circuit.
  11. ante1

    Convert 0-30V 3A PSU to 5A or more

    Hi Niksun, The PSU is not any good for charging alkalines! The DC is much too good! You should use only a half wave rectifier and no smoothing cap for best results!
  12. ante1

    I think I cooked my A/V Transmitter

    Yeah, that was pretty stupid! ;D  To pinpoint which parts can be expected to be dead we could use a schematic! If you are very lucky only a few parts are toast.
  13. ante1

    TIG Inverter

    Well, IGBTs are a kind of power transistors (Google IGBT) and you have to have some basic knowledge to be able to test them properly. You will find them on the heatsinks (if the manufacturer use this kind of transistors) they come in many shapes so I don’t know exactly what they looks like in...
  14. ante1

    4-20mA panel mount calibrator

    Hi jryan, Welcome to our forum. The Martel calibrator looks expensive; you are obviously looking for a simpler solution. I had a similar question not long ago here: http://www.electronics-lab.com/forum/index.php?topic=8260.0 This might be a start. ;)
  15. ante1

    Forumla for rectified and filtered voltage

    Hi defaced, This should be helpful I hope!
  16. ante1

    etching time

    Impossible to answer! Too many factors like percentage of area to be etched away, the type of pcb foil (20, 35, 70u), the solution you use, temperature and more.
  17. ante1

    TIG Inverter

    Hi alkv, I don’t recognize the model of your TIG, I guess it’s not a US or EU made one? The fact that it shuts down just after power up suggests that it performs a self test which fails. If the fan has been broken the odds are that something has died from overheating, have you checked the IGBTs...
  18. ante1

    Sound Level Indicator

    Does this sound level indicator have an echo too?  ;D
  19. ante1

    monostable-astable

    Hi monoman, Welcome to our forum. A circuit which converts DC to AC is usually called an inverter are you sure this is what the circuit does? Can you post the schematic so we can see what you have built?
  20. ante1

    Need help identifying part

    Hi boschman, Why did you remove it form your cars instrument cluster? Do you suspect there is something wrong with it? What are the symptoms? I do not recommend replacing it with a jumper, this can turn out to be a very expensive test! I still believe it is a capacitor, have you measured it?
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