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

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  1. kootni

    KTK Mentor Drive

    kootni, Oct 24, 2018
    Replies:
    2
    Views:
    315
    kootni
    Oct 24, 2018
  2. staylor97_

    Unified power source

    staylor97_, Oct 23, 2018
    Replies:
    3
    Views:
    370
    davenn
    Oct 24, 2018
  3. Tdp315

    Modifyling Electric Wheelchair Motor Control (H Bridge)

    Tdp315, Oct 18, 2018
    Replies:
    4
    Views:
    398
    BobK
    Oct 23, 2018
  4. Rixen

    Mosfet switching losses

    Rixen, Oct 21, 2018
    Replies:
    5
    Views:
    551
    Rixen
    Oct 22, 2018
  5. staylor97_

    Simple power supply that can be embedded in a wall socket

    staylor97_, Oct 18, 2018
    Replies:
    10
    Views:
    529
    Externet
    Oct 21, 2018
  6. RobinLeblond

    Swithching regulator (Buck Converter) with LTSpice question

    RobinLeblond, Oct 20, 2018
    Replies:
    1
    Views:
    484
    Harald Kapp
    Oct 21, 2018
  7. Ian Wallis

    Power cuts and my solar power?

    Ian Wallis, Oct 16, 2018
    Replies:
    15
    Views:
    392
    bushtech
    Oct 18, 2018
  8. Ian Wallis

    A few questions on small dual battery solar

    Ian Wallis, Sep 20, 2018
    Replies:
    13
    Views:
    509
    kellys_eye
    Oct 18, 2018
  9. m.reza

    problem in fluorescent lamp with electromagnetic ballast

    m.reza, Oct 13, 2018
    Replies:
    2
    Views:
    347
    73's de Edd
    Oct 13, 2018
  10. Kardo22

    polarity protection with diode between vcc and gnd

    Kardo22, Oct 10, 2018
    Replies:
    5
    Views:
    541
    HellasTechn
    Oct 12, 2018
  11. coopermc

    Has anyone repaired a power supply in a Panasonic FS200 VCR?

    coopermc, Oct 11, 2018
    Replies:
    5
    Views:
    511
    coopermc
    Oct 12, 2018
  12. stopfortheklopp

    Need help keeping a rigid mechanism in a 60ºC(140ºF) Incubator

    stopfortheklopp, Oct 11, 2018
    Replies:
    2
    Views:
    288
    duke37
    Oct 11, 2018
  13. stopfortheklopp

    Need help designing a 194.0 °F bioreactor for cell culture.

    stopfortheklopp, Oct 10, 2018
    Replies:
    1
    Views:
    371
    (*steve*)
    Oct 10, 2018
  14. Ligi Pham

    Power electronics textbook

    Ligi Pham, Oct 8, 2018
    Replies:
    2
    Views:
    345
    NMNeil
    Oct 8, 2018
  15. rashan

    Unknown circuit node error

    rashan, Oct 6, 2018
    Replies:
    2
    Views:
    977
    Harald Kapp
    Oct 7, 2018
  16. Sparky1221

    Triac Ramp Up & Down Circuit

    Sparky1221, Oct 3, 2018
    Replies:
    2
    Views:
    423
    Bluejets
    Oct 3, 2018
  17. Electromotive

    Voltage Reduction

    Electromotive, Oct 3, 2018
    Replies:
    10
    Views:
    383
    hevans1944
    Oct 3, 2018
  18. Lunes

    How is this hobby cannon made?

    Lunes, Oct 2, 2018
    Replies:
    6
    Views:
    473
    dave9
    Oct 3, 2018
  19. hecmac

    How to make -18v

    hecmac, Oct 3, 2018
    Replies:
    4
    Views:
    400
    Bluejets
    Oct 3, 2018
  20. Sich

    12v dc to 10v dc converter

    Sich, Oct 1, 2018
    Replies:
    14
    Views:
    427
    dave9
    Oct 2, 2018
  21. tedstruk

    Testing a PSU output.

    tedstruk, Oct 1, 2018
    Replies:
    2
    Views:
    289
    dave9
    Oct 1, 2018
  22. dchale

    I need input on how to build a voltage supply circuit for LEDs using wind power.

    dchale, Sep 30, 2018
    Replies:
    7
    Views:
    354
    dchale
    Oct 1, 2018
  23. Ghost314

    What type of battery is good for emergency power for blackouts?

    Ghost314, Sep 27, 2018 ... 2
    Replies:
    30
    Views:
    884
    primuspaul
    Oct 1, 2018
  24. H2814D

    Switched Mode Power Supply/Switching Power Supply (SMPS)

    H2814D, Sep 21, 2018 ... 2
    Replies:
    21
    Views:
    1,004
    kellys_eye
    Sep 28, 2018
  25. Lord_grezington

    Current Limiting

    Lord_grezington, Sep 27, 2018
    Replies:
    6
    Views:
    352
    dave9
    Sep 28, 2018
  26. Theovt

    Solar power 12 volt car windscreen washer pump (Time Adjustable)

    Theovt, Sep 26, 2018
    Replies:
    5
    Views:
    363
    MidNor
    Sep 27, 2018
  27. npomeroy

    24vAC to 9vDC: half wave regulator input?

    npomeroy, Sep 27, 2018
    Replies:
    3
    Views:
    384
    kellys_eye
    Sep 27, 2018
  28. ionman101

    Replace 6 AA with 9v 1~2 amp DC adapter

    ionman101, Sep 26, 2018
    Replies:
    7
    Views:
    327
    (*steve*)
    Sep 26, 2018
  29. Mywk

    Circuit not charging when the battery is below a certain voltage

    Mywk, Sep 25, 2018
    Replies:
    3
    Views:
    431
    Bluejets
    Sep 25, 2018
  30. j4cobgarby

    What are these sections of this power supply?

    j4cobgarby, Sep 18, 2018 ... 2
    Replies:
    25
    Views:
    821
    VenomBallistics
    Sep 25, 2018
  31. DivingDoug

    Need to replace batteries but want to switch type

    DivingDoug, Sep 23, 2018
    Replies:
    3
    Views:
    328
    DivingDoug
    Sep 23, 2018
  32. DarkArrow29

    Insufficient Power on my Load

    DarkArrow29, Sep 22, 2018
    Replies:
    9
    Views:
    381
    duke37
    Sep 23, 2018
  33. Sagar Chandurkar

    Spike Generation

    Sagar Chandurkar, Sep 11, 2018
    Replies:
    13
    Views:
    475
    Sagar Chandurkar
    Sep 17, 2018
  34. Rich Gold

    Newbie circuit board on battery question

    Rich Gold, May 1, 2016
    Replies:
    5
    Views:
    1,060
    Externet
    Sep 16, 2018
  35. Chan777

    Low Voltage Li-on battey 18650

    Chan777, Sep 12, 2018
    Replies:
    6
    Views:
    438
    HellasTechn
    Sep 15, 2018
  36. ParraMeister

    Quint Power Supply short

    ParraMeister, Sep 13, 2018
    Replies:
    4
    Views:
    430
    kellys_eye
    Sep 13, 2018
  37. optimistic realist

    Draw air from enclosure or push it in?

    optimistic realist, Sep 13, 2018
    Replies:
    2
    Views:
    418
    Bluejets
    Sep 13, 2018
  38. anistorian

    Smoothing output of a full bridge

    anistorian, Sep 12, 2018
    Replies:
    5
    Views:
    407
    davenn
    Sep 12, 2018
  39. fatman57

    Modify Doorbell Receiver to run off 5v supply

    fatman57, Sep 12, 2018
    Replies:
    2
    Views:
    320
    dave9
    Sep 12, 2018
  40. htidwell1970

    Hello Fellow Boardronauts + Question re: replacement power supply variance

    htidwell1970, Sep 11, 2018
    Replies:
    7
    Views:
    405
    73's de Edd
    Sep 12, 2018
  41. snm

    Bajaj induction cooker 2000w - fault finding

    snm, Sep 9, 2018
    Replies:
    4
    Views:
    352
    kellys_eye
    Sep 10, 2018
  42. TooFatGeorge

    Tiny power supply: buy or make my own?

    TooFatGeorge, Sep 9, 2018
    Replies:
    2
    Views:
    299
    TooFatGeorge
    Sep 9, 2018
  43. soroosh.tehrany

    ESP8266 regulator with 220v

    soroosh.tehrany, Aug 28, 2018
    Replies:
    4
    Views:
    363
    (*steve*)
    Sep 8, 2018
  44. jeremiah25

    Switching Polarity of Electro-magnet.

    jeremiah25, Sep 6, 2018
    Replies:
    5
    Views:
    475
    davenn
    Sep 7, 2018
  45. AGrimReaper

    Mains Voltage

    AGrimReaper, Sep 4, 2018
    Replies:
    7
    Views:
    646
    AGrimReaper
    Sep 6, 2018
  46. Michael Berg

    Modifying super capacity balancing boards

    Michael Berg, Sep 5, 2018
    Replies:
    1
    Views:
    271
    hevans1944
    Sep 6, 2018
  47. fishinghat

    DC to DC converter on wind turbine system.

    fishinghat, Sep 3, 2018
    Replies:
    4
    Views:
    380
    fishinghat
    Sep 4, 2018
  48. bonsia

    10v -14v input to 12v regulator circuit high current

    bonsia, Sep 3, 2018
    Replies:
    15
    Views:
    404
    Bluejets
    Sep 4, 2018
  49. VenomBallistics

    Need a little inspiration

    VenomBallistics, Sep 2, 2018
    Replies:
    10
    Views:
    453
    VenomBallistics
    Sep 3, 2018
  50. gnusmag45

    Power supply failure?

    gnusmag45, Sep 3, 2018
    Replies:
    3
    Views:
    375
    gnusmag45
    Sep 3, 2018
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