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Threads 1 to 30 of 11105

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: 26,047
    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: 28,418
    pranam77
    21st August 2009, 09:14 Go to last post

  1. water flow detection in a pipe

    Started by hemnath, Yesterday 07:12
    • Replies: 6
    • Views: 203
    FvM
    Yesterday, 22:01 Go to last post

  2. Circuit with an integrated FLIP FLOP

    Started by tnnedaboard, 30th March 2020 14:31
    3 Attachment(s)
    • Replies: 9
    • Views: 464
    albbg
    1st April 2020, 11:54 Go to last post

  3. computer parallel port external relay control

    Started by ftbrady, 30th March 2020 19:35
    • Replies: 9
    • Views: 448
    srizbf
    31st March 2020, 14:55 Go to last post

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

    Started by TvK, 24th March 2020 20:13
    3 Attachment(s)
    • Replies: 14
    • Views: 920
    wwfeldman
    30th March 2020, 13:15 Go to last post

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

    Started by bhl3302, 27th March 2020 04:43
    1 Attachment(s)
    • Replies: 4
    • Views: 377
    FvM
    27th March 2020, 16:32 Go to last post

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

    Started by Gunshut20, 21st March 2020 11:00
    • Replies: 3
    • Views: 441
    KlausST
    23rd March 2020, 02:43 Go to last post

  7. 120 VAC Power Conditioner

    Started by Thayne, 17th March 2020 18:40
    8 Attachment(s)
    • Replies: 3
    • Views: 443
    Thayne
    18th March 2020, 16:13 Go to last post

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

    Started by RAV1965, 16th March 2020 17:37
    • Replies: 5
    • Views: 468
    d123
    17th March 2020, 21:35 Go to last post

  9. Dimmer Circuit with Switch Wiring Question

    Started by Thayne, 14th March 2020 17:06
    10 Attachment(s)
    • Replies: 9
    • Views: 652
    Thayne
    15th March 2020, 16:56 Go to last post

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

    Started by crysotyle, 9th February 2020 18:52
    4 Attachment(s)
    • Replies: 17
    • Views: 1,770
    betwixt
    14th March 2020, 23:00 Go to last post

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

    Started by edtruji, 13th March 2020 03:14
    • Replies: 0
    • Views: 193
    edtruji
    13th March 2020, 03:14 Go to last post

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

    Started by Wajiduddaim, 4th March 2020 15:22
    1 Attachment(s)
    • Replies: 3
    • Views: 454
    luben111
    9th March 2020, 07:28 Go to last post

  13. Need to make a auto disconnecting cicuit.

    Started by mariah1902, 7th March 2020 15:23
    • Replies: 1
    • Views: 287
    BradtheRad
    7th March 2020, 20:23 Go to last post

  14. Class D audio chip MIX2052

    Started by Liamjames192, 29th February 2020 06:09
    • Replies: 10
    • Views: 881
    Audioguru
    7th March 2020, 15:52 Go to last post

  15. Washing machine water pump wiring

    Started by HenryBenry, 5th March 2020 23:10
    8 Attachment(s)
    • Replies: 18
    • Views: 984
    betwixt
    7th March 2020, 09:42 Go to last post

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

    Started by treez, 29th February 2020 23:54
    3 Attachment(s)
    • Replies: 7
    • Views: 519
    treez
    1st March 2020, 20:42 Go to last post

  17. 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: 4,662
    mikaelmark
    25th February 2020, 15:02 Go to last post

  18. Converting a 433mhz transmitter to 315mhz

    Started by waldvogelmj, 24th February 2020 00:50
    1 Attachment(s)
    • Replies: 0
    • Views: 309
    waldvogelmj
    24th February 2020, 00:50 Go to last post

  19. load sensing circuit/relay

    Started by Wdnbob, 19th January 2020 19:05
    3 Attachment(s)
    • Replies: 10
    • Views: 1,363
    Wdnbob
    6th February 2020, 13:27 Go to last post

  20. how to measure the current consumption by dc motor

    Started by arunmosespaul, 4th February 2020 03:01
    1 Attachment(s)
    • Replies: 2
    • Views: 534
    Audioguru
    4th February 2020, 16:17 Go to last post

  21. Need help in using Arduino or Raspberry pi

    Started by mrshell, 1st February 2020 11:15
    • Replies: 3
    • Views: 619
    KlausST
    1st February 2020, 16:19 Go to last post

  22. 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: 763
    KlausST
    29th January 2020, 09:06 Go to last post

  23. very simple and short inverter circuit

    Started by gillani, 17th January 2020 20:38
    1 Attachment(s)
    • Replies: 3
    • Views: 673
    Audioguru
    26th January 2020, 23:26 Go to last post

  24. Looking for mini linear motor

    Started by BoopathiS, 25th January 2020 09:11
    • Replies: 1
    • Views: 506
    wwfeldman
    25th January 2020, 22:13 Go to last post

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

    Started by JuhaH, 23rd January 2020 08:56
    • Replies: 1
    • Views: 500
    JuhaH
    24th January 2020, 08:37 Go to last post

  26. 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: 1,097
    dattlara76
    20th January 2020, 18:31 Go to last post

  27. [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: 1,594
    wizman
    20th January 2020, 14:38 Go to last post

  28. Connecting pins to wires

    Started by shivasage, 16th January 2020 04:41
    • Replies: 4
    • Views: 709
    shivasage
    16th January 2020, 18:42 Go to last post

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

    Started by areddon, 14th January 2020 06:42
    2 Attachment(s)
    • Replies: 7
    • Views: 962
    Easy peasy
    15th January 2020, 05:26 Go to last post

  30. Bootstrapping board for programming the ESP32

    Started by DihydrogenMonoxide, 12th January 2020 00:05
    1 Attachment(s)
    • Replies: 6
    • Views: 843
    betwixt
    14th January 2020, 23:40 Go to last post
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