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  1. B

    Electrocompaniet EMC 1UP won't recognize disc

    .............maybe but....goto #2.
  2. B

    2hp motor hums and not turning

    Then there is this to consider....I'll stick with my original assessment.
  3. B

    2hp motor hums and not turning

    Can be ....if indeed it has a cent sw. Many do not.
  4. B

    Hello, I want to reduce 12 volts to 7 volts, how many ohms do I need using a resistor?

    Save youself a lot of bother and use a $2 buck ( down) converter.
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    I want to ask a few questions. Can I control a 380 DC motor using Arduino with a driver card? And I want to ask another question. Can I calculate the

    I think you will find the Op wants to use the same Arduino to play sound...and drive the motor....English sadly suffers these days.
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    Planetary Gearbox

    Same same worm drive......
  7. B

    Planetary Gearbox

    A 2m arm might be better driven by a worm reduction drive and a series motor.
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    Is it possible to play music with an mp3 card without Aurdino with a 27 MHz remote control?

    No worries, can be certain I'll keep an eye peeled for any similar and give you a nudge if you miss it. Op may want to think along lines of a car radio with mp3 read option then. One with a remote naturally.
  9. B

    Is it possible to play music with an mp3 card without Aurdino with a 27 MHz remote control?

    Only thing I could think of so shoot me
  10. B

    Is it possible to play music with an mp3 card without Aurdino with a 27 MHz remote control?

    Windows 10 pc perhaps....:rolleyes:
  11. B

    Blown amplifier part.

    You have problems deeper down in the circuit. Forget the capacitor, giving the fuse too much amps is just a load of hogwash.
  12. B

    Help to fix a broken hydroponic

    So you have reverse engineered the circuit or have obtained a circuit diagram....either way, show what you have.
  13. B

    Rewindind motor stators ?

    Chances of any success will be approx 1 in 10,000. Besides, armature and field coils are in series so nay excess current damage to the field will naturally occur in the armature as well.
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    Help to fix a broken hydroponic

    Shouldn't it have water in it...? Only guessing as it does not seem to have been shown.
  15. B

    Help to fix a broken hydroponic

    You didn't by any chance decide to "clean" the button contacts or pads shown in photo 3 by any chance. Doing so would have rendered them inoperable most likely forever.
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    Electrolux fridge three way

    Usually called the "ignitor". There is more to it that just the electric ignitor. Down below at the rear will be the gas lines and the jet, latter probably blocked if you have good gas supply. Not the kind of thing one should be playing with if in the beginning you have no understanding of the...
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    Error to connect ST-Link/v2 to microcontroller

    Usb driver incorrect???....try zadig
  18. B

    Lenovo Ideapad 5 15ARE05 startup issue

    Sounds like some program is still running. Maybe logged off or in some sleep mode.
  19. B

    I want to ask a few questions. Can I control a 380 DC motor using Arduino with a driver card? And I want to ask another question. Can I calculate the

    I think the 380 is the motor size not the voltage.ie dc series probably around 7.5v originally. Use a mosfet and pwm .
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    Would anybody help with a basic circuit design and spec please

    The voltage at your existing LEDs is more than enough, only need to light the opto internal LED via a resistor. After that, the open collector of the opto will drive your relay from whatever additional supply you require to match your relay. You quoted 12v, I assume DC.
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