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

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  1. avlmaker

    Watt Minutes Meter for Small Electronics

    avlmaker, Oct 6, 2020
    Replies:
    6
    Views:
    773
    hevans1944
    Oct 7, 2020
  2. aksnis

    UC3825A based smps troubleshoot

    aksnis, Oct 6, 2020
    Replies:
    1
    Views:
    461
    Bluejets
    Oct 6, 2020
  3. Reino

    Help current mode control and flipflops

    Reino, Oct 3, 2020
    Replies:
    11
    Views:
    621
    Reino
    Oct 4, 2020
  4. Brandmark

    LED Power supply?

    Brandmark, Oct 3, 2020
    Replies:
    4
    Views:
    461
    Brandmark
    Oct 3, 2020
  5. Ultra

    need 12v from 56v

    Ultra, Oct 3, 2020
    Replies:
    3
    Views:
    579
    dave9
    Oct 3, 2020
  6. electronicsLearner77

    Stator Windings Clarification

    electronicsLearner77, Oct 1, 2020
    Replies:
    7
    Views:
    578
    electronicsLearner77
    Oct 2, 2020
  7. vari21

    ESR tester repair

    vari21, Sep 23, 2020
    Replies:
    1
    Views:
    602
    Bluejets
    Sep 24, 2020
  8. epsolutions

    Can Batteries Exhibit Resonance at Particular Frequencies?

    epsolutions, Sep 22, 2020
    Replies:
    8
    Views:
    560
    Nanren888
    Sep 23, 2020
  9. Dustin Smith

    12v Charged from 24V

    Dustin Smith, Sep 20, 2020
    Replies:
    2
    Views:
    520
    Dustin Smith
    Sep 20, 2020
  10. max_torch

    Free software and libraries to simulate electrical system?

    max_torch, Sep 18, 2020
    Replies:
    1
    Views:
    472
    Alec_t
    Sep 18, 2020
  11. jgauthier

    Looking for a power supply recommendation

    jgauthier, Sep 15, 2020
    Replies:
    4
    Views:
    524
    hevans1944
    Sep 16, 2020
  12. Journey11

    Question about SMPS repair

    Journey11, Sep 3, 2020 ... 2
    Replies:
    20
    Views:
    1,449
    Martaine2005
    Sep 13, 2020
  13. jbear909

    HELP!! What the hell is this piece?

    jbear909, Sep 11, 2020
    Replies:
    7
    Views:
    630
    jbear909
    Sep 11, 2020
  14. Udoma

    Over voltage at 1000w ups

    Udoma, Sep 11, 2020
    Replies:
    2
    Views:
    456
    Udoma
    Sep 11, 2020
  15. Goldhelmeth

    High power voltage

    Goldhelmeth, Sep 10, 2020
    Replies:
    1
    Views:
    507
    davenn
    Sep 11, 2020
  16. Epiconix

    ZVS 1000W/2000W draws only 3V

    Epiconix, Sep 10, 2020
    Replies:
    2
    Views:
    473
    bertus
    Sep 10, 2020
  17. kellogs

    Led driver of constant current - is it really constant ?

    kellogs, Jul 25, 2020 ... 2
    Replies:
    24
    Views:
    1,978
    Sunnysky
    Sep 7, 2020
  18. Woosh24

    Novice circuit design/construction

    Woosh24, Sep 5, 2020
    Replies:
    1
    Views:
    439
    Harald Kapp
    Sep 5, 2020
  19. orcuns91

    PSpice boost converter output voltage problem

    orcuns91, Aug 31, 2020
    Replies:
    4
    Views:
    821
    orcuns91
    Sep 1, 2020
  20. pepi

    Battery charger/battery type NMH

    pepi, Aug 29, 2020
    Replies:
    6
    Views:
    714
    pepi
    Sep 1, 2020
  21. juntjoo

    Anyone familiar with this USB charging cable?

    juntjoo, Aug 5, 2020
    Replies:
    7
    Views:
    883
    Martaine2005
    Aug 31, 2020
  22. DickA0537

    My Li-Ion Battery Charger Circuit Is Not Working As Expected

    DickA0537, Aug 21, 2020
    Replies:
    19
    Views:
    1,155
    DickA0537
    Aug 30, 2020
  23. Doghouse

    Adjustable Power Supply Question

    Doghouse, Aug 26, 2020
    Replies:
    6
    Views:
    655
    Doghouse
    Aug 30, 2020
  24. Barry Klein

    CTX-3030 Metal Detector Battery Fault - BQ20Z70

    Barry Klein, Aug 30, 2020
    Replies:
    6
    Views:
    597
    Martaine2005
    Aug 30, 2020
  25. Yeah Boi

    Win Enterprises PL-10000-0 (computer) need power supply

    Yeah Boi, Aug 28, 2020
    Replies:
    2
    Views:
    536
    Martaine2005
    Aug 29, 2020
  26. johnmullins

    Doubts electrolytic capacitors

    johnmullins, Aug 27, 2020
    Replies:
    4
    Views:
    707
    johnmullins
    Aug 29, 2020
  27. johnmullins

    tantalus capacitor doubt

    johnmullins, Aug 27, 2020
    Replies:
    2
    Views:
    599
    Martaine2005
    Aug 28, 2020
  28. kellogs

    tens of years battery life ?

    kellogs, Aug 23, 2020
    Replies:
    7
    Views:
    734
    Audioguru
    Aug 25, 2020
  29. DanielG

    45 amp Battery looking to prevent arc flash.

    DanielG, Aug 16, 2020
    Replies:
    8
    Views:
    803
    Bluejets
    Aug 18, 2020
  30. Jeanguypataterubberboot

    Variac question

    Jeanguypataterubberboot, Aug 14, 2020
    Replies:
    2
    Views:
    622
    Jeanguypataterubberboot
    Aug 15, 2020
  31. perseverance

    Vintron ( blue power) inverter repair

    perseverance, Aug 13, 2020
    Replies:
    0
    Views:
    587
    perseverance
    Aug 13, 2020
  32. Jonathan Ames

    Noob timer question

    Jonathan Ames, Aug 5, 2020
    Replies:
    1
    Views:
    574
    Bluejets
    Aug 5, 2020
  33. Andrewxxd1

    single-phase motor speed control

    Andrewxxd1, Jul 30, 2020
    Replies:
    3
    Views:
    768
    Minder
    Aug 4, 2020
  34. max_torch

    Questions about three-phase four-wire distribution system

    max_torch, Jun 22, 2020
    Replies:
    8
    Views:
    1,466
    max_torch
    Aug 3, 2020
  35. magtec

    irf9640 p-chan mosfet switching buck converter blows without load, whats wrong

    magtec, Jul 29, 2020
    Replies:
    10
    Views:
    1,037
    magtec
    Aug 2, 2020
  36. partyanimallighting

    Help to identify fan terminal type

    partyanimallighting, Jul 31, 2020
    Replies:
    6
    Views:
    733
    partyanimallighting
    Aug 1, 2020
  37. malie

    Strength master Treadmill showing error AC 6

    malie, Jul 30, 2020
    Replies:
    6
    Views:
    1,372
    malie
    Aug 1, 2020
  38. Switchy Cat

    How to protect battery from a power adapter?

    Switchy Cat, Jul 26, 2020
    Replies:
    4
    Views:
    678
    kpatz
    Jul 26, 2020
  39. Paulws1953

    New here and looking for advice about a PIR activated stepper motor and audio source.

    Paulws1953, Jul 24, 2020
    Replies:
    5
    Views:
    678
    ChosunOne
    Jul 25, 2020
  40. Pharaday

    Battery ruined by diode and LED

    Pharaday, Jul 20, 2020 ... 2
    Replies:
    20
    Views:
    1,408
    mr fixit
    Jul 23, 2020
  41. lvslezak

    Unusual Touchscreen Monitor Power Supply - Never saw before

    lvslezak, Jul 20, 2020
    Replies:
    5
    Views:
    614
    Martaine2005
    Jul 21, 2020
  42. partyanimallighting

    Voltage Regulator Problem on Moving Head mainboard

    partyanimallighting, Jul 18, 2020
    Replies:
    11
    Views:
    850
    partyanimallighting
    Jul 21, 2020
  43. Kain6622

    DC voltage blocker - Blocking AC too?

    Kain6622, Jul 14, 2020
    Replies:
    14
    Views:
    898
    Alec_t
    Jul 16, 2020
  44. NVZN

    How to clean oxidized USB plug?

    NVZN, Jun 16, 2020
    Replies:
    7
    Views:
    979
    dave9
    Jul 14, 2020
  45. anditechnovire

    Transistor series voltage regulator

    anditechnovire, Jun 24, 2020
    Replies:
    14
    Views:
    1,080
    (*steve*)
    Jul 11, 2020
  46. doubledipsoon

    Alternator Field Winding Question

    doubledipsoon, Jul 2, 2020
    Replies:
    2
    Views:
    793
    skenn_ie
    Jul 8, 2020
  47. Behzadd

    Fly back converter

    Behzadd, Jul 5, 2020
    Replies:
    2
    Views:
    628
    Behzadd
    Jul 5, 2020
  48. Robbo1313

    Trying to find right size PPCT

    Robbo1313, Jul 3, 2020
    Replies:
    3
    Views:
    571
    Martaine2005
    Jul 4, 2020
  49. Dannycobb1

    I have a Sa-HE200 and it powers up but no sound from speakers after overload kicked couple times.

    Dannycobb1, Jun 26, 2020
    Replies:
    3
    Views:
    671
    duke37
    Jul 3, 2020
  50. PowerSet

    Voltage Regulation

    PowerSet, Jun 27, 2020
    Replies:
    4
    Views:
    601
    PowerSet
    Jun 28, 2020
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