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Threads 1 to 30 of 11148

Forum: Hobby Circuits and Small Projects Problems

Hobby Electronics Circuits, circuits samples, electronics in house and in cars, amplifiers, subwoofers, trasmitters, receivers, generators, meters.

  1. Sticky Thread Sticky: Everything you wanted to know about soldering and desoldering but were afraid to ask

    Started by E-design, 2nd July 2013 08:01
    • Replies: 4
    • Views: 26,742
    Rattanee
    2nd August 2014, 19:26 Go to last post

  2. Sticky Thread Sticky: Read this before posting.

    Started by pranam77, 21st August 2009 09:14
    • Replies: 0
    • Views: 28,995
    pranam77
    21st August 2009, 09:14 Go to last post

  1. Simple question bts432e2 instillation

    Started by emersonrainey, Yesterday 00:32
    2 Attachment(s)
    • Replies: 4
    • Views: 214
    emersonrainey
    Yesterday, 10:46 Go to last post

  2. Photodiode SFH205FA in PSpice

    Started by aryaa99, 31st May 2020 07:52
    • Replies: 1
    • Views: 228
    FvM
    31st May 2020, 10:54 Go to last post

  3. Circuit don't work in Microcap (555-based class-D)

    Started by nast, 22nd May 2020 16:01
    6 Attachment(s)
    • Replies: 7
    • Views: 651
    BradtheRad
    30th May 2020, 20:24 Go to last post

  4. Guitar effects circuit and noise from timing I.C's

    Started by Ducados, 28th May 2020 10:51
    • Replies: 5
    • Views: 337
    Audioguru
    28th May 2020, 20:58 Go to last post

  5. water tornado device

    Started by rajaram04, 26th May 2020 15:22
    • Replies: 3
    • Views: 355
    betwixt
    28th May 2020, 14:46 Go to last post

  6. Yes-Circuit: Misunderstood or malfunction

    Started by Ed8ElectronicDe, 27th May 2020 09:54
    7 Attachment(s)
    • Replies: 4
    • Views: 322
    betwixt
    28th May 2020, 09:04 Go to last post

  7. Question about RL RC natural response

    Started by Herion, 26th May 2020 22:39
    1 Attachment(s)
    • Replies: 3
    • Views: 332
    wwfeldman
    27th May 2020, 20:44 Go to last post

  8. Most efficient method of smoke extraction

    Started by dexterbot80, 25th May 2020 00:40
    • Replies: 3
    • Views: 346
    dexterbot80
    25th May 2020, 18:53 Go to last post

  9. Class C amplifier biasing.

    Started by paulmdrdo, 23rd May 2020 12:44
    1 Attachment(s)
    • Replies: 5
    • Views: 527
    albbg
    24th May 2020, 21:53 Go to last post

  10. Will a filter block this waveform?

    Started by dl09, 22nd May 2020 15:01
    2 Pages •
    1 2
    6 Attachment(s)
    • Replies: 25
    • Views: 977
    FvM
    23rd May 2020, 17:16 Go to last post

  11. Bias clamper for class C amplifier

    Started by paulmdrdo, 23rd May 2020 07:27
    1 Attachment(s)
    • Replies: 3
    • Views: 316
    KlausST
    23rd May 2020, 12:09 Go to last post

  12. Problem with current loss with increasing length of wire

    Started by rajaram04, 20th May 2020 18:03
    • Replies: 7
    • Views: 763
    rajaram04
    21st May 2020, 22:43 Go to last post

  13. Help identifying some parts

    Started by cabinfourus, 19th May 2020 17:04
    4 Attachment(s)
    • Replies: 7
    • Views: 418
    Akanimo
    20th May 2020, 12:20 Go to last post

  14. Foldback current protection for sink circuit

    Started by seyyah, 18th May 2020 16:40
    3 Attachment(s)
    • Replies: 9
    • Views: 514
    seyyah
    19th May 2020, 22:00 Go to last post

  15. A "separated double pole switch with a single throw" ( two separate switched ccts)

    Started by treez, 18th May 2020 19:50
    • Replies: 4
    • Views: 352
    KlausST
    19th May 2020, 06:26 Go to last post

  16. 100uA analogue meter conversion to 1A?

    Started by neazoi, 17th May 2020 23:44
    • Replies: 16
    • Views: 935
    dick_freebird
    19th May 2020, 02:45 Go to last post

  17. DC Motor with variable speed project

    Started by CharlN, 16th May 2020 18:52
    • Replies: 3
    • Views: 330
    d123
    17th May 2020, 06:59 Go to last post

  18. Want to make a small device to detect when a single LED is lit -- Feasible?

    Started by ptwego, 15th May 2020 21:27
    1 Attachment(s)
    • Replies: 6
    • Views: 409
    danadakk
    16th May 2020, 13:46 Go to last post

  19. Safe distance device RF or BLE or other?

    Started by paulteo84, 15th May 2020 12:59
    • Replies: 1
    • Views: 240
    srizbf
    15th May 2020, 15:50 Go to last post

  20. Help needed, what is this component used for? Mark:95H6ZI

    Started by detail2mix, 13th May 2020 08:15
    2 Attachment(s)
    • Replies: 11
    • Views: 687
    detail2mix
    13th May 2020, 14:47 Go to last post

  21. An old exam problem related to an amplifier

    Started by Wow_01, 12th May 2020 09:54
    2 Attachment(s)
    • Replies: 8
    • Views: 568
    albbg
    13th May 2020, 07:02 Go to last post

  22. separate case fan control

    Started by second_decimal, 5th May 2020 21:09
    4 Attachment(s)
    • Replies: 2
    • Views: 1,563
    second_decimal
    6th May 2020, 01:23 Go to last post

  23. help needed to repair toy quadcopter

    Started by fm101, 17th April 2020 10:44
    1 Attachment(s)
    • Replies: 5
    • Views: 764
    i200yrs
    3rd May 2020, 07:13 Go to last post

  24. Electric pump to dispense the hand sanitizer gel

    Started by tnnedaboard, 20th April 2020 13:21
    1 Attachment(s)
    • Replies: 5
    • Views: 666
    BradtheRad
    1st May 2020, 08:34 Go to last post

  25. Simple a.m modulator output not what I expect?

    Started by voxmagna, 19th April 2020 16:52
    6 Attachment(s)
    • Replies: 11
    • Views: 930
    voxmagna
    30th April 2020, 18:22 Go to last post

  26. Working of a FM receiver

    Started by garvind25, 27th April 2020 21:05
    1 Attachment(s)
    • Replies: 6
    • Views: 1,331
    Audioguru
    29th April 2020, 00:23 Go to last post

  27. Gel disinfectant distributor circuit

    Started by tnnedaboard, 28th April 2020 09:22
    1 Attachment(s)
    • Replies: 7
    • Views: 1,210
    stenzer
    28th April 2020, 15:01 Go to last post

  28. level-shifting I2C bus when VCC1 is +3.3V, and VCC2 is varying between +2.8V and +4.2

    Started by kender, 27th April 2020 17:01
    1 Attachment(s)
    • Replies: 7
    • Views: 628
    KlausST
    28th April 2020, 14:04 Go to last post

  29. Small DC motor / switch project

    Started by Vollmer, 24th April 2020 00:38
    1 Attachment(s)
    • Replies: 9
    • Views: 969
    betwixt
    26th April 2020, 21:14 Go to last post

  30. How to make 3 different voltages in a circuit?

    Started by q1212, 24th April 2020 20:20
    • Replies: 3
    • Views: 537
    d123
    26th April 2020, 07:47 Go to last post
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