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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: Can anyone ID these chips?

    Started by lteschler, 22nd November 2016 15:08
    2 Attachment(s)
    • Replies: 1
    • Views: 8,833
    d123
    22nd November 2016, 22:02 Go to last post

  2. Sticky Thread Sticky: Featured Reference Designs

    Started by mmatheson, 1st September 2016 23:36
    • Replies: 0
    • Views: 7,332
    mmatheson
    1st September 2016, 23:36 Go to last post

  3. 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: 19,275
    Rattanee
    2nd August 2014, 19:26 Go to last post

  4. Sticky Thread Sticky: Read this before posting.

    Started by pranam77, 21st August 2009 09:14
    • Replies: 0
    • Views: 23,315
    pranam77
    21st August 2009, 09:14 Go to last post

  1. Hacking simple heater control to simple WIFI switch

    Started by Rebelrebel, 15th May 2018 08:23
    3 Attachment(s)
    • Replies: 7
    • Views: 336
    Rebelrebel
    Yesterday, 13:22 Go to last post

  2. Transistor recommendation sought

    Started by boylesg, 24th May 2018 16:08
    2 Attachment(s)
    • Replies: 16
    • Views: 303
    FvM
    Yesterday, 08:50 Go to last post

  3. I need a short single "BEEP" circuit

    Started by yair-1, 23rd May 2018 08:20
    1 Attachment(s)
    • Replies: 7
    • Views: 226
    yair-1
    Yesterday, 06:33 Go to last post

  4. Infrared heater control board

    Started by tkt0011, 24th May 2018 19:19
    2 Attachment(s)
    • Replies: 3
    • Views: 118
    Fragrance
    Yesterday, 05:35 Go to last post

  5. Tiny Lights Sewn In Fabric

    Started by Thayne, 26th May 2018 19:59
    2 Attachment(s)
    • Replies: 3
    • Views: 73
    Thayne
    26th May 2018, 21:34 Go to last post

  6. Arduino based inductance meter - explanation?

    Started by boylesg, 21st May 2018 08:07
    4 Attachment(s)
    • Replies: 12
    • Views: 291
    boylesg
    24th May 2018, 15:53 Go to last post

  7. Re Flow Oven temperature and time

    Started by expertengr, 23rd May 2018 18:05
    • Replies: 2
    • Views: 83
    expertengr
    23rd May 2018, 20:00 Go to last post

  8. [SOLVED] Soldering of components on single sided PCB using Oven

    Started by expertengr, 22nd May 2018 21:28
    • Replies: 3
    • Views: 83
    FvM
    22nd May 2018, 22:03 Go to last post

  9. [SOLVED] Soldering SMD components - 403 package

    Started by expertengr, 22nd May 2018 11:50
    • Replies: 2
    • Views: 91
    FvM
    22nd May 2018, 14:26 Go to last post

  10. Led lighting project for displaying unicode characters.

    Started by Prashantakerkar, 18th May 2018 09:42
    • Replies: 6
    • Views: 243
    d123
    18th May 2018, 21:59 Go to last post

  11. Circuit to Protect Mobile

    Started by Thayne, 11th May 2018 15:06
    1 Attachment(s)
    • Replies: 5
    • Views: 177
    d123
    18th May 2018, 21:51 Go to last post

  12. Soldering Iron Powered By Phone Charger

    Started by Thayne, 4th May 2018 16:32
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 24
    • Views: 816
    d123
    18th May 2018, 21:31 Go to last post

  13. How to control line voltage?

    Started by Kebabix, 8th May 2018 20:41
    6 Attachment(s)
    • Replies: 16
    • Views: 583
    KlausST
    17th May 2018, 15:33 Go to last post

  14. Read 24V with an Arduino

    Started by jelezarov, 12th May 2018 15:35
    1 Attachment(s)
    • Replies: 9
    • Views: 345
    bobTPH
    16th May 2018, 21:20 Go to last post

  15. Xenon flash lamp (to excite DYE in LASER)

    Started by 9a3daa, 14th May 2018 20:10
    2 Attachment(s)
    • Replies: 4
    • Views: 262
    FvM
    15th May 2018, 14:49 Go to last post

  16. 11/2 ohm 8 amp resister

    Started by Longtom, 14th May 2018 13:17
    • Replies: 3
    • Views: 115
    FvM
    14th May 2018, 15:53 Go to last post

  17. [SOLVED] Simple AM transmitter?

    Started by boylesg, 11th May 2018 08:52
    1 Attachment(s)
    • Replies: 14
    • Views: 493
    boylesg
    13th May 2018, 18:56 Go to last post

  18. Arduino analog input values are not stabilizing

    Started by sribangaram, 13th May 2018 14:00
    • Replies: 1
    • Views: 107
    andre_teprom
    13th May 2018, 14:22 Go to last post

  19. [Moved] Remote control to set Ringtones for Door Bell

    Started by Prashantakerkar, 10th May 2018 15:24
    • Replies: 5
    • Views: 272
    betwixt
    11th May 2018, 09:43 Go to last post

  20. Extremely high zener current in oscillator

    Started by Zak28, 7th May 2018 03:30
    2 Pages •
    1 2
    5 Attachment(s)
    • Replies: 26
    • Views: 799
    c_mitra
    10th May 2018, 10:24 Go to last post

  21. Digitally adjustable LV2576 - not working

    Started by boylesg, 6th May 2018 11:04
    2 Pages •
    1 2
    5 Attachment(s)
    • Replies: 20
    • Views: 543
    KlausST
    9th May 2018, 14:40 Go to last post

  22. How do I achieve symmetry thru load

    Started by Zak28, 9th May 2018 05:51
    1 Attachment(s)
    • Replies: 3
    • Views: 153
    Zak28
    9th May 2018, 07:29 Go to last post

  23. Moved: Let's try this a different way - vary voltage to EL control circuit using an Arduino

    Started by boylesg, 6th May 2018 18:31
    •  
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  24. Remove AC hum from FM transmitter power supply

    Started by boylesg, 25th April 2018 15:13
    3 Pages •
    1 2 3
    3 Attachment(s)
    • Replies: 54
    • Views: 1,632
    AbleMan
    5th May 2018, 20:12 Go to last post

  25. Marble flooring Lighting Project.

    Started by Prashantakerkar, 4th May 2018 06:49
    • Replies: 3
    • Views: 239
    Thayne
    4th May 2018, 16:19 Go to last post

  26. [SOLVED] Laptop Webcam to Micro USB

    Started by Thayne, 28th April 2018 22:41
    4 Attachment(s)
    • Replies: 9
    • Views: 462
    Thayne
    4th May 2018, 16:12 Go to last post

  27. ATX main mother board plug...what is pitch of these?

    Started by boylesg, 3rd May 2018 02:34
    • Replies: 2
    • Views: 164
    KlausST
    3rd May 2018, 08:01 Go to last post

  28. Need help in choosing right SCR

    Started by clicco89, 30th April 2018 12:06
    1 Attachment(s)
    • Replies: 7
    • Views: 364
    clicco89
    1st May 2018, 11:29 Go to last post

  29. Chipped Inductor Repair

    Started by Thayne, 29th April 2018 18:55
    1 Attachment(s)
    • Replies: 7
    • Views: 314
    Thayne
    1st May 2018, 04:07 Go to last post

  30. TLC5940 based current source - suggestions sought

    Started by boylesg, 27th April 2018 19:39
    • Replies: 3
    • Views: 194
    FvM
    28th April 2018, 16:03 Go to last post
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