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

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  1. abdellwahed1

    desktop power supply computer troubleshooting

    abdellwahed1, Dec 21, 2018
    Replies:
    3
    Views:
    354
    Harald Kapp
    Dec 21, 2018
  2. nguyenhuuphuoc

    Three-phase inverter for Induction motor.

    nguyenhuuphuoc, Dec 19, 2018
    Replies:
    3
    Views:
    345
    Harald Kapp
    Dec 20, 2018
  3. JayJoe

    BMS for charging 1s 10p 18650 battery pack?

    JayJoe, Dec 16, 2018
    Replies:
    3
    Views:
    507
    BobK
    Dec 18, 2018
  4. supraman215

    Issue with 18650 charging circuit

    supraman215, Dec 13, 2018
    Replies:
    6
    Views:
    400
    Harald Kapp
    Dec 15, 2018
  5. Cosmin3

    maximize efficiency of a solar panel charging a Li-Ion battery

    Cosmin3, Nov 4, 2018 ... 2
    Replies:
    23
    Views:
    913
    Cosmin3
    Dec 15, 2018
  6. seanspotatobusiness

    Modifying 4.5 V (alkaline) lamp to run brighter with 3.6 V (NiMH)

    seanspotatobusiness, Nov 26, 2018
    Replies:
    11
    Views:
    496
    BobK
    Dec 13, 2018
  7. **Rafael**

    7MBR25SA120-50 vs. 7MBR25SA120 Fuji IGBT modules

    **Rafael**, Dec 10, 2018
    Replies:
    7
    Views:
    397
    **Rafael**
    Dec 11, 2018
  8. Michael/5of9

    Philips (Black Tulip) N5748 HI-FI Cassette Deck Power Outage

    Michael/5of9, Dec 11, 2018
    Replies:
    0
    Views:
    260
    Michael/5of9
    Dec 11, 2018
  9. Christopher Alexandre

    Light dimmer

    Christopher Alexandre, Dec 6, 2018
    Replies:
    11
    Views:
    436
    Bluejets
    Dec 10, 2018
  10. Loosewire

    Dual supply power board +/- 25v

    Loosewire, Dec 9, 2018
    Replies:
    3
    Views:
    359
    Bluejets
    Dec 9, 2018
  11. tomadom

    Smoothing a charging current for a phone?

    tomadom, Nov 24, 2018 ... 2
    Replies:
    26
    Views:
    962
    tomadom
    Dec 9, 2018
  12. tomadom

    Power inverter for car?

    tomadom, Dec 3, 2018
    Replies:
    13
    Views:
    513
    tomadom
    Dec 9, 2018
  13. Cindy K

    What Is a Potentiometer, and How to Choose the Correct Potentiometer?

    Cindy K, Dec 5, 2018
    Replies:
    8
    Views:
    479
    (*steve*)
    Dec 7, 2018
  14. supraman215

    18650 charging question

    supraman215, Nov 6, 2018
    Replies:
    2
    Views:
    434
    Cirkit
    Dec 5, 2018
  15. vkurapati

    high side mosfet offset voltage in Phase shifted full bridge converter

    vkurapati, Nov 20, 2018
    Replies:
    1
    Views:
    374
    CircuitMaster
    Dec 5, 2018
  16. R791945

    heated jacket power bank

    R791945, Nov 23, 2018
    Replies:
    11
    Views:
    3,256
    R791945
    Dec 4, 2018
  17. adamq

    TRIAC Heat Generation & Dissipation

    adamq, Oct 4, 2018
    Replies:
    4
    Views:
    979
    cat o strafic
    Dec 3, 2018
  18. yeshu137

    Query on online UPS supply

    yeshu137, Nov 30, 2018
    Replies:
    6
    Views:
    378
    73's de Edd
    Nov 30, 2018
  19. Trainman

    Inspired Inspiron Modification

    Trainman, Nov 13, 2018
    Replies:
    4
    Views:
    371
    Trainman
    Nov 30, 2018
  20. arkaprava

    query on variable frequency conversion

    arkaprava, Nov 28, 2018
    Replies:
    4
    Views:
    395
    Harald Kapp
    Nov 29, 2018
  21. ATO Automation

    Check the phase sequence of 3-phase electricity with multimeter

    ATO Automation, Nov 28, 2018
    Replies:
    4
    Views:
    383
    Bluejets
    Nov 28, 2018
  22. steve_venkat

    Detect AC Power supply

    steve_venkat, Nov 8, 2018
    Replies:
    9
    Views:
    500
    (*steve*)
    Nov 25, 2018
  23. MrAtkinson

    Power a Raspberry Pi from a computer monitor power supply.

    MrAtkinson, Nov 23, 2018
    Replies:
    5
    Views:
    397
    MrAtkinson
    Nov 24, 2018
  24. tomadom

    Powerbank battery level meter?

    tomadom, Nov 20, 2018
    Replies:
    10
    Views:
    490
    tomadom
    Nov 24, 2018
  25. wyred451

    Determine Power Supply Requirements for Simple Circuit

    wyred451, Nov 23, 2018
    Replies:
    3
    Views:
    305
    kellys_eye
    Nov 23, 2018
  26. DavidV

    Looking to power a peltier with <9V

    DavidV, Nov 21, 2018
    Replies:
    4
    Views:
    882
    (*steve*)
    Nov 22, 2018
  27. Functional Artist

    Proper switches circuit breakers & fuses for a 60VDC system

    Functional Artist, Nov 11, 2018
    Replies:
    10
    Views:
    648
    (*steve*)
    Nov 21, 2018
  28. Lurch180

    RC 3 wire battery charging

    Lurch180, Nov 20, 2018
    Replies:
    2
    Views:
    950
    Lurch180
    Nov 21, 2018
  29. Greenlite

    Blocking DC voltage on an AC circuit

    Greenlite, Nov 19, 2018
    Replies:
    7
    Views:
    423
    Frankchie
    Nov 21, 2018
  30. MrAtkinson

    Led resistor types

    MrAtkinson, Nov 17, 2018
    Replies:
    3
    Views:
    410
    MrAtkinson
    Nov 18, 2018
  31. Afzal

    Tower electric fan starts and stops continuously

    Afzal, Nov 6, 2018 ... 2
    Replies:
    20
    Views:
    711
    kellys_eye
    Nov 15, 2018
  32. brian hughes

    Boost converter- thinking big.

    brian hughes, Nov 12, 2018
    Replies:
    1
    Views:
    357
    kellys_eye
    Nov 12, 2018
  33. Skywalker77

    Arcade Conversion... Dollars to Nickles

    Skywalker77, Nov 10, 2018
    Replies:
    1
    Views:
    354
    kellys_eye
    Nov 10, 2018
  34. Srdaro

    I need help to make sure the devices are good to go.

    Srdaro, Nov 8, 2018
    Replies:
    5
    Views:
    356
    kellys_eye
    Nov 9, 2018
  35. f123

    Buck or boost for charging a battery

    f123, Nov 6, 2018
    Replies:
    9
    Views:
    430
    f123
    Nov 9, 2018
  36. f123

    Inductor and capacitor in DC-DC converters

    f123, Nov 6, 2018
    Replies:
    1
    Views:
    367
    kellys_eye
    Nov 6, 2018
  37. supraman215

    Question about how to wire this power

    supraman215, Nov 5, 2018
    Replies:
    7
    Views:
    443
    Harald Kapp
    Nov 6, 2018
  38. Successdude

    How To Get Pure Sine Wave

    Successdude, Nov 1, 2018
    Replies:
    2
    Views:
    388
    Harald Kapp
    Nov 2, 2018
  39. Farukh Khan

    RLC Filter for Power Decoupling and Current Sensing

    Farukh Khan, Oct 28, 2018
    Replies:
    14
    Views:
    530
    Farukh Khan
    Nov 2, 2018
  40. f123

    mppt charge controller

    f123, Oct 26, 2018
    Replies:
    12
    Views:
    489
    BobK
    Nov 1, 2018
  41. hwhh

    What connector is this?

    hwhh, Nov 1, 2018
    Replies:
    7
    Views:
    440
    dave9
    Nov 1, 2018
  42. ric.dealban

    parallel cellphone chargers

    ric.dealban, Oct 31, 2018
    Replies:
    3
    Views:
    330
    kellys_eye
    Nov 1, 2018
  43. Anard

    Charging NiMh battery pack with BQ2004

    Anard, Feb 21, 2018 ... 2
    Replies:
    20
    Views:
    1,845
    Anard
    Oct 31, 2018
  44. Ardy123

    DIY Macbook Battery

    Ardy123, Oct 31, 2018
    Replies:
    0
    Views:
    507
    Ardy123
    Oct 31, 2018
  45. steve_venkat

    PC817 circuit not working with relay

    steve_venkat, Oct 29, 2018
    Replies:
    9
    Views:
    763
    Harald Kapp
    Oct 31, 2018
  46. steve_venkat

    Measuring Current using Resistor

    steve_venkat, Oct 30, 2018
    Replies:
    3
    Views:
    376
    kellys_eye
    Oct 30, 2018
  47. patkim

    Does mAh rating of a battery affect the device at the same rated voltage?

    patkim, Oct 23, 2018
    Replies:
    8
    Views:
    536
    ChosunOne
    Oct 27, 2018
  48. Guru

    Transformer - Core area and number of turns?

    Guru, Oct 25, 2018
    Replies:
    1
    Views:
    343
    kellys_eye
    Oct 25, 2018
  49. lisa_25

    Power supply for 1960s movie projector

    lisa_25, Oct 25, 2018
    Replies:
    8
    Views:
    379
    dave9
    Oct 25, 2018
  50. kootni

    KTK Mentor Drive

    kootni, Oct 24, 2018
    Replies:
    2
    Views:
    339
    kootni
    Oct 24, 2018
Showing threads 251 to 300 of 2,020

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