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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: 9,043
    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: 7,376
    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: 19,369
    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: 23,357
    pranam77
    21st August 2009, 09:14 Go to last post

  1. Feedback on LED cube circuit sought

    Started by boylesg, Today 18:03
    1 Attachment(s)
    • Replies: 1
    • Views: 33
    KlausST
    Today, 18:26 Go to last post

  2. Modifying an ATX power supply

    Started by boylesg, Yesterday 12:43
    • Replies: 4
    • Views: 173
    FvM
    Today, 06:53 Go to last post

  3. Accuracy glitch on analog stepped current load circuit

    Started by d123, 16th June 2018 13:52
    4 Attachment(s)
    • Replies: 1
    • Views: 134
    dick_freebird
    Yesterday, 06:20 Go to last post

  4. Inverter design problem

    Started by clicco89, 13th June 2018 07:41
    5 Attachment(s)
    • Replies: 6
    • Views: 320
    clicco89
    13th June 2018, 23:23 Go to last post

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

    Started by 9a3daa, 14th May 2018 20:10
    2 Attachment(s)
    • Replies: 6
    • Views: 714
    c_mitra
    7th June 2018, 15:20 Go to last post

  6. [SOLVED] How to control line voltage?

    Started by Kebabix, 8th May 2018 20:41
    6 Attachment(s)
    • Replies: 19
    • Views: 1,022
    Kebabix
    6th June 2018, 10:55 Go to last post

  7. Soldering paste....which one?

    Started by boylesg, 5th June 2018 12:25
    • Replies: 7
    • Views: 265
    c_mitra
    6th June 2018, 07:59 Go to last post

  8. WS2812B SMD RGB LED - bypass capacitor

    Started by boylesg, 4th June 2018 16:39
    • Replies: 7
    • Views: 261
    FvM
    5th June 2018, 06:12 Go to last post

  9. I need a short single "BEEP" circuit

    Started by yair-1, 23rd May 2018 08:20
    4 Attachment(s)
    • Replies: 17
    • Views: 922
    yair-1
    3rd June 2018, 15:35 Go to last post

  10. Problem with my car alarm system

    Started by mohsen 2012, 1st June 2018 04:40
    • Replies: 1
    • Views: 203
    BradtheRad
    1st June 2018, 05:34 Go to last post

  11. Question on test set up for BLDC motor

    Started by eeenginee, 30th May 2018 14:05
    • Replies: 7
    • Views: 338
    Kajunbee
    31st May 2018, 13:44 Go to last post

  12. Moved: Motors used in Braking systems in automotive

    Started by eeenginee, 30th May 2018 15:12
    •  
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  13. Nitrogen supply connection in Reflow Oven

    Started by expertengr, 29th May 2018 21:21
    • Replies: 1
    • Views: 243
    KlausST
    29th May 2018, 21:45 Go to last post

  14. Darlington Array IC with Enable Pin

    Started by AzharElectronics, 28th May 2018 07:15
    • Replies: 5
    • Views: 205
    KlausST
    28th May 2018, 11:49 Go to last post

  15. Hacking simple heater control to simple WIFI switch

    Started by Rebelrebel, 15th May 2018 08:23
    3 Attachment(s)
    • Replies: 7
    • Views: 506
    Rebelrebel
    27th May 2018, 13:22 Go to last post

  16. Transistor recommendation sought

    Started by boylesg, 24th May 2018 16:08
    2 Attachment(s)
    • Replies: 16
    • Views: 680
    FvM
    27th May 2018, 08:50 Go to last post

  17. Infrared heater control board

    Started by tkt0011, 24th May 2018 19:19
    2 Attachment(s)
    • Replies: 3
    • Views: 225
    Fragrance
    27th May 2018, 05:35 Go to last post

  18. Tiny Lights Sewn In Fabric

    Started by Thayne, 26th May 2018 19:59
    2 Attachment(s)
    • Replies: 3
    • Views: 188
    Thayne
    26th May 2018, 21:34 Go to last post

  19. Arduino based inductance meter - explanation?

    Started by boylesg, 21st May 2018 08:07
    4 Attachment(s)
    • Replies: 12
    • Views: 557
    boylesg
    24th May 2018, 15:53 Go to last post

  20. Re Flow Oven temperature and time

    Started by expertengr, 23rd May 2018 18:05
    • Replies: 2
    • Views: 172
    expertengr
    23rd May 2018, 20:00 Go to last post

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

    Started by expertengr, 22nd May 2018 21:28
    • Replies: 3
    • Views: 193
    FvM
    22nd May 2018, 22:03 Go to last post

  22. [SOLVED] Soldering SMD components - 403 package

    Started by expertengr, 22nd May 2018 11:50
    • Replies: 2
    • Views: 172
    FvM
    22nd May 2018, 14:26 Go to last post

  23. Led lighting project for displaying unicode characters.

    Started by Prashantakerkar, 18th May 2018 09:42
    • Replies: 6
    • Views: 383
    d123
    18th May 2018, 21:59 Go to last post

  24. Circuit to Protect Mobile

    Started by Thayne, 11th May 2018 15:06
    1 Attachment(s)
    • Replies: 5
    • Views: 302
    d123
    18th May 2018, 21:51 Go to last post

  25. Soldering Iron Powered By Phone Charger

    Started by Thayne, 4th May 2018 16:32
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 24
    • Views: 1,117
    d123
    18th May 2018, 21:31 Go to last post

  26. Read 24V with an Arduino

    Started by jelezarov, 12th May 2018 15:35
    1 Attachment(s)
    • Replies: 9
    • Views: 532
    bobTPH
    16th May 2018, 21:20 Go to last post

  27. 11/2 ohm 8 amp resister

    Started by Longtom, 14th May 2018 13:17
    • Replies: 3
    • Views: 215
    FvM
    14th May 2018, 15:53 Go to last post

  28. [SOLVED] Simple AM transmitter?

    Started by boylesg, 11th May 2018 08:52
    1 Attachment(s)
    • Replies: 14
    • Views: 760
    boylesg
    13th May 2018, 18:56 Go to last post

  29. Arduino analog input values are not stabilizing

    Started by sribangaram, 13th May 2018 14:00
    • Replies: 1
    • Views: 176
    andre_teprom
    13th May 2018, 14:22 Go to last post

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

    Started by Prashantakerkar, 10th May 2018 15:24
    • Replies: 5
    • Views: 422
    betwixt
    11th May 2018, 09:43 Go to last post
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