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Threads 1 to 30 of 11024

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: Read this before posting.

    Started by pranam77, 21st August 2009 09:14
    • Replies: 0
    • Views: 25,115
    21st August 2009, 09:14 Go to last post
    • Replies: 1
    • Views: 1,373
    13th May 2003, 20:28 Go to last post
  1. I search for analog scheme, simulator sound of frog

    Started by , 6th June 2003 16:48
    • Replies: 0
    • Views: 1,086
    6th June 2003, 16:48 Go to last post
  2. Closed: Guys help!!! We need for our removal!!! Tt

    Started by 'Ash Amantiad, 4th April 2014 17:14
    • Replies: 2
    • Views: 1,834
    5th April 2014, 21:33 Go to last post
  3. Closed: Mobile phone signal detector

    Started by *zilot*, 28th March 2004 14:00
    • Replies: 4
    • Views: 2,026
    1st April 2004, 13:14 Go to last post
  4. Closed: Looking for a Digital ESR Capacitor Meter Schematic

    Started by -DVB-, 28th March 2003 09:23
    • Replies: 14
    • Views: 21,596
    16th April 2008, 18:45 Go to last post
  5. Closed: Bond Paper Vending Machine Schematic

    Started by -jps-, 21st August 2009 12:47
    • Replies: 0
    • Views: 3,484
    21st August 2009, 12:47 Go to last post
  6. Closed: Vp30 (smart card reader/writer)

    Started by .K, 6th October 2003 19:57
    • Replies: 3
    • Views: 5,965
    25th April 2010, 08:29 Go to last post
  7. Closed: how to make a simple wireless computer network system.

    Started by 001, 1st October 2004 18:25
    • Replies: 3
    • Views: 5,231
    7th August 2006, 07:01 Go to last post
  8. Closed: I need help on a project urgently.

    Started by 001, 13th October 2004 11:26
    • Replies: 9
    • Views: 2,323
    17th April 2005, 17:52 Go to last post
  9. Closed: water tank measurement using ultrasound waves

    Started by 007elil, 11th June 2011 15:21
    • Replies: 1
    • Views: 2,300
    11th June 2011, 19:54 Go to last post
    • Replies: 0
    • Views: 1,653
    22nd April 2011, 12:14 Go to last post
  10. Closed: A 13.8-V, 40-A Switching Power Supply

    Started by 0levanhoc, 11th February 2003 11:03
    • Replies: 1
    • Views: 4,423
    16th November 2006, 06:35 Go to last post
  11. Closed: 200W ATX PC POWER SUPPLY

    Started by 0levanhoc, 11th February 2003 11:05
    • Replies: 2
    • Views: 3,222
    18th March 2003, 23:50 Go to last post
  12. Closed: Russian atx-powr - file to download

    Started by 0levanhoc, 11th February 2003 11:09
    • Replies: 0
    • Views: 1,964
    11th February 2003, 11:09 Go to last post
  13. Closed: DC-DC BUCK CONVERTER PROJECT 1

    Started by 0levanhoc, 11th February 2003 11:16
    • Replies: 0
    • Views: 3,149
    11th February 2003, 11:16 Go to last post
  14. Closed: DC-DC BUCK CONVERTER PROJECT 2

    Started by 0levanhoc, 11th February 2003 11:17
    • Replies: 0
    • Views: 2,018
    11th February 2003, 11:17 Go to last post
  15. Closed: H-bridge Implementation help using HIP4082IP by Intersil

    Started by 0x0F, 12th January 2010 00:51
    • Replies: 2
    • Views: 2,055
    13th January 2010, 05:21 Go to last post
  16. Closed: How to develop a single-board computer with a simple processor

    Started by 0xc, 28th January 2012 22:07
    • Replies: 0
    • Views: 1,277
    28th January 2012, 22:07 Go to last post
  17. [SOLVED]Closed: Getting frustrated on a project

    Started by 1-3-2-4, 18th January 2012 23:29
    • Replies: 4
    • Views: 1,421
    19th January 2012, 17:36 Go to last post
  18. [SOLVED]Closed: Solution for LED strip fade in/fade out

    Started by 1-3-2-4, 27th March 2012 02:06
    • Replies: 11
    • Views: 9,909
    31st March 2012, 23:23 Go to last post
  19. [SOLVED]Closed: replacing LCD display in control pod

    Started by 1-3-2-4, 12th June 2012 14:38
    • Replies: 0
    • Views: 1,268
    12th June 2012, 14:38 Go to last post
  20. Closed: driving optocoupler 4n35 using 8051

    Started by 100k, 16th June 2012 15:06
    • Replies: 11
    • Views: 4,763
    19th June 2012, 06:51 Go to last post
  21. Closed: what is seperation of grounds?

    Started by 100k, 18th June 2012 16:20
    • Replies: 2
    • Views: 1,086
    19th June 2012, 11:44 Go to last post
  22. Closed: 12 Chanel Linear controller / pulse counter schematic needed.

    Started by 10p6, 11th December 2010 02:54
    • Replies: 9
    • Views: 2,509
    12th December 2010, 14:49 Go to last post
  23. Closed: small timer (not mechanical)

    Started by 121ano, 24th July 2017 20:15
    • Replies: 6
    • Views: 3,735
    27th July 2017, 20:36 Go to last post
  24. Closed: Power adaptor for battery charger compatability

    Started by 12strings, 3rd March 2019 04:26
    • Replies: 4
    • Views: 739
    4th March 2019, 02:20 Go to last post
  25. Closed: Haiti - Need help designing lifesaving circuit

    Started by 13.Jess, 25th January 2010 01:34
    • Replies: 1
    • Views: 1,788
    25th January 2010, 02:36 Go to last post
  26. Closed: 12v DC to 24v DC converter @ 7A - Please help

    Started by 1503, 4th June 2009 05:51
    • Replies: 0
    • Views: 2,614
    4th June 2009, 05:51 Go to last post
  27. Closed: FT323R advanced connection problem

    Started by 1icarus1, 26th September 2007 06:03
    • Replies: 7
    • Views: 3,892
    28th September 2007, 01:42 Go to last post
  28. Closed: Schematic for a omnidirectional transmitter and receiver

    Started by 1_C_E_M_A_N, 12th August 2005 02:53
    • Replies: 4
    • Views: 2,027
    16th August 2005, 06:19 Go to last post