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Threads 1 to 30 of 11104

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: 26,020
    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: 28,389
    pranam77
    21st August 2009, 09:14 Go to last post

  1. computer parallel port external relay control

    Started by ftbrady, Yesterday 19:35
    • Replies: 7
    • Views: 143
    BradtheRad
    Today, 01:08 Go to last post

  2. Circuit with an integrated FLIP FLOP

    Started by tnnedaboard, Yesterday 14:31
    • Replies: 2
    • Views: 110
    KlausST
    Yesterday, 17:02 Go to last post

  3. Help needed; Check of PCB and some other questions

    Started by TvK, 24th March 2020 20:13
    3 Attachment(s)
    • Replies: 14
    • Views: 784
    wwfeldman
    Yesterday, 13:15 Go to last post

  4. Looking for an non-invasive sensor for a fitness machine

    Started by bhl3302, 27th March 2020 04:43
    1 Attachment(s)
    • Replies: 4
    • Views: 348
    FvM
    27th March 2020, 16:32 Go to last post

  5. Please group help me with dsPIC30f2010 inverter circuit diagram and hex file

    Started by Gunshut20, 21st March 2020 11:00
    • Replies: 3
    • Views: 425
    KlausST
    23rd March 2020, 02:43 Go to last post

  6. 120 VAC Power Conditioner

    Started by Thayne, 17th March 2020 18:40
    8 Attachment(s)
    • Replies: 3
    • Views: 430
    Thayne
    18th March 2020, 16:13 Go to last post

  7. Missing schematic can anyone solve this? (hot air soldering station)

    Started by RAV1965, 16th March 2020 17:37
    • Replies: 5
    • Views: 463
    d123
    17th March 2020, 21:35 Go to last post

  8. Dimmer Circuit with Switch Wiring Question

    Started by Thayne, 14th March 2020 17:06
    10 Attachment(s)
    • Replies: 9
    • Views: 646
    Thayne
    15th March 2020, 16:56 Go to last post

  9. Old capacitor needs replacing not sure what to replace with.

    Started by crysotyle, 9th February 2020 18:52
    4 Attachment(s)
    • Replies: 17
    • Views: 1,761
    betwixt
    14th March 2020, 23:00 Go to last post

  10. Replacement for remote control system featuring KeeLoq code hopping?

    Started by edtruji, 13th March 2020 03:14
    • Replies: 0
    • Views: 187
    edtruji
    13th March 2020, 03:14 Go to last post

  11. [SOLVED] How to connect GSM UART with two different devices

    Started by Wajiduddaim, 4th March 2020 15:22
    1 Attachment(s)
    • Replies: 3
    • Views: 447
    luben111
    9th March 2020, 07:28 Go to last post

  12. Need to make a auto disconnecting cicuit.

    Started by mariah1902, 7th March 2020 15:23
    • Replies: 1
    • Views: 282
    BradtheRad
    7th March 2020, 20:23 Go to last post

  13. Class D audio chip MIX2052

    Started by Liamjames192, 29th February 2020 06:09
    • Replies: 10
    • Views: 860
    Audioguru
    7th March 2020, 15:52 Go to last post

  14. Washing machine water pump wiring

    Started by HenryBenry, 5th March 2020 23:10
    8 Attachment(s)
    • Replies: 18
    • Views: 958
    betwixt
    7th March 2020, 09:42 Go to last post

  15. Off-the-shelf tube needed for dummy load bank

    Started by treez, 29th February 2020 23:54
    3 Attachment(s)
    • Replies: 7
    • Views: 511
    treez
    1st March 2020, 20:42 Go to last post

  16. Rectifier diodes with bypass cap´s & gounding speaker basket´s

    Started by mikaelmark, 16th November 2019 12:31
    3 Pages •
    1 2 3
    8 Attachment(s)
    • Replies: 43
    • Views: 4,647
    mikaelmark
    25th February 2020, 15:02 Go to last post

  17. Converting a 433mhz transmitter to 315mhz

    Started by waldvogelmj, 24th February 2020 00:50
    1 Attachment(s)
    • Replies: 0
    • Views: 302
    waldvogelmj
    24th February 2020, 00:50 Go to last post

  18. load sensing circuit/relay

    Started by Wdnbob, 19th January 2020 19:05
    3 Attachment(s)
    • Replies: 10
    • Views: 1,357
    Wdnbob
    6th February 2020, 13:27 Go to last post

  19. how to measure the current consumption by dc motor

    Started by arunmosespaul, 4th February 2020 03:01
    1 Attachment(s)
    • Replies: 2
    • Views: 524
    Audioguru
    4th February 2020, 16:17 Go to last post

  20. Need help in using Arduino or Raspberry pi

    Started by mrshell, 1st February 2020 11:15
    • Replies: 3
    • Views: 601
    KlausST
    1st February 2020, 16:19 Go to last post

  21. I have some beginner-level questions about this ESP-WROOM-32 schematic.

    Started by seanmchugh513, 25th January 2020 18:58
    1 Attachment(s)
    • Replies: 3
    • Views: 756
    KlausST
    29th January 2020, 09:06 Go to last post

  22. very simple and short inverter circuit

    Started by gillani, 17th January 2020 20:38
    1 Attachment(s)
    • Replies: 3
    • Views: 665
    Audioguru
    26th January 2020, 23:26 Go to last post

  23. Looking for mini linear motor

    Started by BoopathiS, 25th January 2020 09:11
    • Replies: 1
    • Views: 503
    wwfeldman
    25th January 2020, 22:13 Go to last post

  24. Maestro GPS module A2235-H UART data halted after 135 seconds ??

    Started by JuhaH, 23rd January 2020 08:56
    • Replies: 1
    • Views: 495
    JuhaH
    24th January 2020, 08:37 Go to last post

  25. Motor pump starter connection with two relay to operate manual and auto

    Started by dattlara76, 15th January 2020 12:00
    1 Attachment(s)
    • Replies: 9
    • Views: 1,085
    dattlara76
    20th January 2020, 18:31 Go to last post

  26. [SOLVED] Inflatable Hard Drive - transferal of data between three devices via USB

    Started by wizman, 3rd January 2020 14:58
    4 Attachment(s)
    • Replies: 11
    • Views: 1,585
    wizman
    20th January 2020, 14:38 Go to last post

  27. Connecting pins to wires

    Started by shivasage, 16th January 2020 04:41
    • Replies: 4
    • Views: 701
    shivasage
    16th January 2020, 18:42 Go to last post

  28. [SOLVED] Need very basic R-C "delay off" circuit

    Started by areddon, 14th January 2020 06:42
    2 Attachment(s)
    • Replies: 7
    • Views: 956
    Easy peasy
    15th January 2020, 05:26 Go to last post

  29. Bootstrapping board for programming the ESP32

    Started by DihydrogenMonoxide, 12th January 2020 00:05
    1 Attachment(s)
    • Replies: 6
    • Views: 836
    betwixt
    14th January 2020, 23:40 Go to last post

  30. [SOLVED] Trouble with frying 74LS11N AND Gate

    Started by areddon, 13th January 2020 00:19
    1 Attachment(s)
    • Replies: 7
    • Views: 917
    areddon
    14th January 2020, 05:04 Go to last post
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