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A category for topics relating to power supplies, batteries, solar and other power related questions.

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  1. Thanduxolo

    Ups keeps tripping the CB

    Thanduxolo, Apr 27, 2020
    Replies:
    5
    Views:
    454
    Thanduxolo
    Apr 29, 2020
  2. abunaitwo

    Battery charger low output

    abunaitwo, Apr 26, 2020
    Replies:
    8
    Views:
    482
    abunaitwo
    Apr 28, 2020
  3. gazagold13

    i have an old problem exercise bike

    gazagold13, Apr 28, 2020
    Replies:
    2
    Views:
    315
    gazagold13
    Apr 28, 2020
  4. Diegodc

    Solenoid constant power supply

    Diegodc, Apr 25, 2020
    Replies:
    10
    Views:
    530
    Diegodc
    Apr 27, 2020
  5. meleghengersor

    Help with mixed signal circuit power supply

    meleghengersor, Apr 22, 2020
    Replies:
    3
    Views:
    414
    bertus
    Apr 25, 2020
  6. AJETRUE

    How can I bypass a switch on a humidifier?

    AJETRUE, Apr 21, 2020
    Replies:
    6
    Views:
    794
    AJETRUE
    Apr 24, 2020
  7. cadenabaldovin

    Why and how is PWM implemented in Field Oriented Control (FOC) ?

    cadenabaldovin, Apr 6, 2020
    Replies:
    2
    Views:
    379
    hevans1944
    Apr 23, 2020
  8. Lezlie

    Bearing found inside subwoofer! Does it go to it?

    Lezlie, Apr 19, 2020
    Replies:
    7
    Views:
    429
    hevans1944
    Apr 20, 2020
  9. Ed Sowell

    Extending output cable of auto battery charger/maintainer

    Ed Sowell, Apr 19, 2020
    Replies:
    7
    Views:
    404
    hevans1944
    Apr 20, 2020
  10. skenn_ie

    Puzzled, basic flyback converter

    skenn_ie, Apr 19, 2020
    Replies:
    1
    Views:
    308
    bertus
    Apr 19, 2020
  11. Goldhelmeth

    Relays

    Goldhelmeth, Apr 15, 2020 ... 2 3
    Replies:
    46
    Views:
    1,185
    hevans1944
    Apr 19, 2020
  12. power13

    Long pressed button, want to act as instant press

    power13, Apr 18, 2020
    Replies:
    1
    Views:
    306
    Bluejets
    Apr 19, 2020
  13. Nrose

    AV Receiver Power diagnosis help please

    Nrose, Apr 18, 2020
    Replies:
    5
    Views:
    317
    Bluejets
    Apr 19, 2020
  14. pieshower

    Why won't my Hitachi tv turn on?

    pieshower, Apr 18, 2020
    Replies:
    0
    Views:
    379
    pieshower
    Apr 18, 2020
  15. gamer87

    Question CR2032 battery

    gamer87, Apr 13, 2020
    Replies:
    15
    Views:
    993
    shrtrnd
    Apr 17, 2020
  16. abuhafss

    Wanptek Power Supply KPS305D - Out not stable

    abuhafss, Apr 15, 2020
    Replies:
    5
    Views:
    363
    abuhafss
    Apr 16, 2020
  17. aventy28

    Identifying a ceramic capacitor

    aventy28, Apr 16, 2020
    Replies:
    1
    Views:
    363
    Harald Kapp
    Apr 16, 2020
  18. Goldhelmeth

    Powering a linear actuator with a battery

    Goldhelmeth, Apr 8, 2020
    Replies:
    12
    Views:
    673
    hevans1944
    Apr 16, 2020
  19. Ftpsmb

    POWER MOSFET gate resistor

    Ftpsmb, Apr 13, 2020
    Replies:
    3
    Views:
    449
    Alec_t
    Apr 14, 2020
  20. dongtrien

    Find the circuit diagram of the main board Ricoh SP 150SUW multifunction printer

    dongtrien, Apr 14, 2020
    Replies:
    0
    Views:
    352
    dongtrien
    Apr 14, 2020
  21. MCB&O

    Vintage B&O 2400

    MCB&O, Apr 13, 2020
    Replies:
    0
    Views:
    330
    MCB&O
    Apr 13, 2020
  22. Bearlike

    12volt solar power cables

    Bearlike, Apr 7, 2020
    Replies:
    5
    Views:
    412
    dpuklicz
    Apr 11, 2020
  23. galantida

    Replace Photoresistor with Solar Cell

    galantida, Apr 6, 2020
    Replies:
    6
    Views:
    484
    (*steve*)
    Apr 10, 2020
  24. MannyJG

    Honda Insight battery trickle charge/discharge cycle control.

    MannyJG, Mar 7, 2020
    Replies:
    11
    Views:
    577
    MannyJG
    Apr 9, 2020
  25. Hopup

    Ebike battery

    Hopup, Apr 5, 2020 ... 2
    Replies:
    21
    Views:
    961
    bob.steel
    Apr 8, 2020
  26. aminemarref

    Help Testing if LED TV Power Board is Functional

    aminemarref, Apr 6, 2020
    Replies:
    1
    Views:
    313
    Bluejets
    Apr 7, 2020
  27. Benny7440

    What's the function(s) of the extra contacts on so many cellphone's batteries?

    Benny7440, Apr 6, 2020
    Replies:
    4
    Views:
    352
    bertus
    Apr 6, 2020
  28. dongtrien

    Find the value of the source resistance atx BM-650W ?

    dongtrien, Apr 5, 2020
    Replies:
    1
    Views:
    330
    ramussons
    Apr 6, 2020
  29. dongtrien

    Looking for schematic atx Jetek L480 power supply circuit ?

    dongtrien, Mar 23, 2020
    Replies:
    2
    Views:
    414
    dongtrien
    Apr 5, 2020
  30. Fish4Fun

    Back to Back Schottky Diodes

    Fish4Fun, Apr 3, 2020
    Replies:
    2
    Views:
    408
    Fish4Fun
    Apr 4, 2020
  31. Butters

    Need help with vacuum repair (TBT3V1P1)

    Butters, Apr 4, 2020
    Replies:
    4
    Views:
    362
    davenn
    Apr 4, 2020
  32. Mercury

    Problem with Treadmill

    Mercury, Mar 31, 2020
    Replies:
    0
    Views:
    390
    Mercury
    Mar 31, 2020
  33. alex ezorsky-lie

    What is the ic in this NPF970 lipo usb battery?

    alex ezorsky-lie, Mar 16, 2020
    Replies:
    3
    Views:
    439
    alex ezorsky-lie
    Mar 30, 2020
  34. el-3aba6i

    help in triac replacing

    el-3aba6i, Mar 27, 2020
    Replies:
    4
    Views:
    361
    el-3aba6i
    Mar 28, 2020
  35. Bearlike

    Help with solar power system.

    Bearlike, Mar 26, 2020
    Replies:
    8
    Views:
    340
    Bearlike
    Mar 27, 2020
  36. Wouldyoukindly

    Increase 12 VAC

    Wouldyoukindly, Mar 23, 2020
    Replies:
    12
    Views:
    571
    73's de Edd
    Mar 24, 2020
  37. czecht

    Tesla Coil Kit - help needed

    czecht, Mar 17, 2020
    Replies:
    12
    Views:
    623
    czecht
    Mar 19, 2020
  38. j4cobgarby

    What are these sections of this power supply?

    j4cobgarby, Sep 18, 2018 ... 2 3
    Replies:
    40
    Views:
    2,005
    VenomBallistics
    Mar 18, 2020
  39. gamer87

    Questions many hours for recharge battery lithium via USB cable connected in Hub USB

    gamer87, Mar 16, 2020 ... 2
    Replies:
    25
    Views:
    667
    Harald Kapp
    Mar 18, 2020
  40. Reddave101

    Capacitor Help

    Reddave101, Mar 10, 2020 ... 2
    Replies:
    23
    Views:
    739
    Ylli
    Mar 17, 2020
  41. mattlanni

    Double Potentiometer

    mattlanni, Mar 12, 2020
    Replies:
    6
    Views:
    352
    Alec_t
    Mar 13, 2020
  42. Lazt

    Power esp32 using lipo battery

    Lazt, Mar 9, 2020
    Replies:
    1
    Views:
    340
    Martaine2005
    Mar 12, 2020
  43. Fujipson

    How To Convert Dryer Motor To Generate Electricity

    Fujipson, Mar 11, 2020
    Replies:
    1
    Views:
    941
    Minder
    Mar 11, 2020
  44. tantric

    12 / 24 or 48v to 400V Boost Converter to charge electric car from solar panels

    tantric, Mar 8, 2020
    Replies:
    13
    Views:
    754
    WHONOES
    Mar 11, 2020
  45. hriosm

    AC power from solar installation into home wiring?

    hriosm, Feb 22, 2020
    Replies:
    4
    Views:
    435
    hevans1944
    Mar 9, 2020
  46. Lipucka

    Treadmill control board problem (no power)

    Lipucka, Oct 27, 2019
    Replies:
    2
    Views:
    588
    Minder
    Mar 5, 2020
  47. ak2030

    Strange television power issue.

    ak2030, Jun 24, 2019
    Replies:
    2
    Views:
    481
    veli
    Mar 5, 2020
  48. Stockleys

    3kw inverter repair

    Stockleys, Jun 18, 2019
    Replies:
    3
    Views:
    531
    veli
    Mar 5, 2020
  49. BinaryAssassin

    UPS VA question

    BinaryAssassin, Nov 5, 2019
    Replies:
    2
    Views:
    443
    veli
    Mar 5, 2020
  50. AdamHH

    Laptop Dual Screen

    AdamHH, Mar 3, 2020
    Replies:
    4
    Views:
    399
    Harald Kapp
    Mar 4, 2020
Showing threads 251 to 300 of 2,297

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