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

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  1. Gil Torres

    AC inverter beeps

    Gil Torres, Nov 2, 2019
    Replies:
    2
    Views:
    371
    Gil Torres
    Nov 3, 2019
  2. john2k

    12V to 5V 3A converter

    john2k, Nov 2, 2019
    Replies:
    6
    Views:
    411
    BobK
    Nov 2, 2019
  3. Rustknot

    Obsolete Dual Diode Specs

    Rustknot, Oct 24, 2019
    Replies:
    4
    Views:
    380
    hevans1944
    Oct 24, 2019
  4. rahulb

    Help me in calculating base resistance for transistor

    rahulb, Oct 20, 2019 ... 2
    Replies:
    23
    Views:
    915
    rahulb
    Oct 24, 2019
  5. Hasan2019

    "Current" control is a big issue using ClassD ?

    Hasan2019, Oct 22, 2019
    Replies:
    0
    Views:
    281
    Hasan2019
    Oct 22, 2019
  6. MikeGray

    Solar charging a LiFePO4 Battery (advice welcome!)

    MikeGray, May 6, 2017 ... 2
    Replies:
    22
    Views:
    4,092
    MikeGray
    Oct 21, 2019
  7. Pexy

    12V and 5v(USB) battery pack build. help.

    Pexy, Jun 13, 2019
    Replies:
    7
    Views:
    640
    hevans1944
    Oct 20, 2019
  8. tonydizzle

    AC Laptop Adapter -> How to make 19v output into 5v?

    tonydizzle, Oct 13, 2019
    Replies:
    18
    Views:
    1,204
    hevans1944
    Oct 20, 2019
  9. Ali baloch

    Convert 24vdc charger into 125vdc charger

    Ali baloch, Oct 18, 2019
    Replies:
    4
    Views:
    314
    BobK
    Oct 19, 2019
  10. AprilSteel

    Inverter fan always running now.

    AprilSteel, Oct 12, 2019
    Replies:
    3
    Views:
    1,256
    thedoc298
    Oct 17, 2019
  11. AprilSteel

    Trying to make a circuit diagram from this

    AprilSteel, Oct 12, 2019
    Replies:
    8
    Views:
    532
    hevans1944
    Oct 17, 2019
  12. manolete

    Voltage converter for Samsung Ru8000 TV

    manolete, Oct 14, 2019
    Replies:
    5
    Views:
    458
    manolete
    Oct 17, 2019
  13. Sailboy42

    How do you install a power dimmer on a foam cutter tool?

    Sailboy42, Oct 14, 2019
    Replies:
    5
    Views:
    391
    Bluejets
    Oct 15, 2019
  14. eigiman

    Help with repairing a Samsung HT-BD8200 Soundbar SMPS

    eigiman, Oct 10, 2019
    Replies:
    4
    Views:
    404
    eigiman
    Oct 14, 2019
  15. Aidan67676767

    Will this charger work?

    Aidan67676767, Dec 2, 2017
    Replies:
    9
    Views:
    755
    AprilSteel
    Oct 13, 2019
  16. Platima

    Charging / Battery Circuit, Trying to figure out if this will work

    Platima, Aug 2, 2009
    Replies:
    7
    Views:
    3,270
    AprilSteel
    Oct 13, 2019
  17. AprilSteel

    How does a Battery management board work?

    AprilSteel, Jul 24, 2018 ... 2
    Replies:
    25
    Views:
    2,383
    davenn
    Oct 12, 2019
  18. (*steve*)

    filtering a 3000V power supply output.

    (*steve*), Oct 11, 2019
    Replies:
    6
    Views:
    361
    (*steve*)
    Oct 12, 2019
  19. AprilSteel

    BMS for Lithium Iron phosphate battery bank LiFePo4

    AprilSteel, Jun 20, 2018 ... 2
    Replies:
    27
    Views:
    1,947
    AprilSteel
    Oct 12, 2019
  20. Rajesh1268

    Problem with farward converter

    Rajesh1268, Oct 10, 2019
    Replies:
    4
    Views:
    303
    WHONOES
    Oct 11, 2019
  21. H2814D

    Capacitor Substitution

    H2814D, Aug 24, 2019 ... 2
    Replies:
    26
    Views:
    931
    WHONOES
    Oct 11, 2019
  22. m_alizd

    AC Polarity swapping circuit

    m_alizd, Oct 2, 2019 ... 2
    Replies:
    38
    Views:
    1,113
    davenn
    Oct 9, 2019
  23. patkim

    Is it safe to replace B10 MCB with C10?

    patkim, Oct 7, 2019
    Replies:
    3
    Views:
    521
    Bluejets
    Oct 8, 2019
  24. fatman57

    Zener Voltage Regulator to power Arduino

    fatman57, Sep 26, 2019
    Replies:
    10
    Views:
    457
    fatman57
    Oct 6, 2019
  25. Roflsandwich

    Amp repair

    Roflsandwich, Sep 28, 2019
    Replies:
    9
    Views:
    457
    WHONOES
    Oct 6, 2019
  26. tasty

    electronic load

    tasty, Sep 14, 2019 ... 2 3
    Replies:
    42
    Views:
    1,550
    hevans1944
    Oct 5, 2019
  27. jameswi

    Momentary power supply for doorbell

    jameswi, Oct 4, 2019
    Replies:
    3
    Views:
    302
    Bluejets
    Oct 5, 2019
  28. Orion96

    Budget solar charger

    Orion96, Oct 1, 2019
    Replies:
    1
    Views:
    352
    WHONOES
    Oct 2, 2019
  29. sazml

    battery switch over help?

    sazml, Sep 27, 2019
    Replies:
    5
    Views:
    318
    Audioguru
    Oct 2, 2019
  30. Youritgames

    220volt (EU socket) drill on 12 volt

    Youritgames, Sep 25, 2019
    Replies:
    5
    Views:
    340
    duke37
    Sep 27, 2019
  31. Farukh Khan

    SuperCap Charging and Delivery System using Solar Panels

    Farukh Khan, Jul 23, 2019 ... 2
    Replies:
    22
    Views:
    1,085
    Farukh Khan
    Sep 27, 2019
  32. Docria

    I need a electronic circuts for 2 v dc to 5 volt3 ampere out put

    Docria, Sep 25, 2019
    Replies:
    7
    Views:
    350
    Tha fios agaibh
    Sep 26, 2019
  33. Bernat Feixas

    Oscillations in the gate signal with IXFN 150N65X2 transistors

    Bernat Feixas, Sep 20, 2019
    Replies:
    8
    Views:
    429
    WHONOES
    Sep 24, 2019
  34. CommanderLake

    Car power to constant current 3.6A 50v boost converter

    CommanderLake, Mar 14, 2019 ... 2 3
    Replies:
    49
    Views:
    2,388
    CommanderLake
    Sep 23, 2019
  35. Gizmotix Co.

    Electromagnetic Propulsion: Where To Start

    Gizmotix Co., Sep 23, 2019
    Replies:
    1
    Views:
    282
    Harald Kapp
    Sep 23, 2019
  36. Gizmotix Co.

    RailGun: Where To Start

    Gizmotix Co., Sep 22, 2019
    Replies:
    1
    Views:
    307
    davenn
    Sep 22, 2019
  37. Docria

    High current dc dc boost module circuits

    Docria, Sep 21, 2019
    Replies:
    1
    Views:
    269
    dave9
    Sep 21, 2019
  38. Pharaday

    What are these?

    Pharaday, Sep 11, 2019
    Replies:
    12
    Views:
    506
    Pharaday
    Sep 21, 2019
  39. **Rafael**

    Chassis mount 10W resistor value

    **Rafael**, Sep 12, 2019
    Replies:
    4
    Views:
    274
    **Rafael**
    Sep 13, 2019
  40. wiwiwi

    Drive a sharp LCD by TOSHIBA chip

    wiwiwi, Aug 29, 2019
    Replies:
    1
    Views:
    290
    wiwiwi
    Sep 11, 2019
  41. Farukh Khan

    Zener diodes for combining different power source?

    Farukh Khan, Sep 10, 2019
    Replies:
    13
    Views:
    383
    Farukh Khan
    Sep 11, 2019
  42. Hasan2019

    Looking for a suitable DC -DC buck conveter topology

    Hasan2019, Sep 11, 2019
    Replies:
    0
    Views:
    257
    Hasan2019
    Sep 11, 2019
  43. Farukh Khan

    What is the proper way to use 1 cell lipo batteries in parallel?

    Farukh Khan, Sep 8, 2019
    Replies:
    5
    Views:
    333
    Audioguru
    Sep 10, 2019
  44. davsmedhot

    Auto radio keeps restarting when theres no key on ignition

    davsmedhot, Sep 8, 2019
    Replies:
    8
    Views:
    371
    dave9
    Sep 10, 2019
  45. seanspotatobusiness

    Fluorescent lamps in series using electronic control gear?

    seanspotatobusiness, Sep 8, 2019
    Replies:
    4
    Views:
    271
    seanspotatobusiness
    Sep 9, 2019
  46. bushtech

    Chinese Hiland 0-30V/Audioguru PSU build (down the rabbit hole)

    bushtech, Oct 27, 2017 ... 15 16 17
    Replies:
    336
    Views:
    20,480
    m3vuv
    Sep 8, 2019
  47. Golden Lion

    Power supply for Apogee AD16x audio converter

    Golden Lion, Sep 8, 2019
    Replies:
    3
    Views:
    421
    dave9
    Sep 8, 2019
  48. Rob glasd

    Trace swca

    Rob glasd, Sep 7, 2019
    Replies:
    1
    Views:
    279
    Rob glasd
    Sep 7, 2019
  49. sowlaki

    LLC Transformer (Resonant) Winding Question

    sowlaki, Sep 6, 2019
    Replies:
    0
    Views:
    268
    sowlaki
    Sep 6, 2019
  50. Pineapple32

    Dodgy Dishwasher Controller

    Pineapple32, Aug 29, 2019
    Replies:
    7
    Views:
    348
    73's de Edd
    Aug 31, 2019
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