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Threads 3001 to 3030 of 11035

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. Closed: how to define maximum switching frequency for inductor

    Started by szhighstar, 20th July 2012 14:37
    • Replies: 4
    • Views: 2,200
    7th September 2012, 09:21 Go to last post
  2. Closed: Problem with USB to rs 232 converter

    Started by pradeep23, 21st August 2012 12:26
    • Replies: 10
    • Views: 1,691
    7th September 2012, 07:37 Go to last post
  3. Closed: 8051 interfaced with lcd problem......

    Started by gagandiep, 6th September 2012 21:27
    • Replies: 1
    • Views: 1,131
    7th September 2012, 00:25 Go to last post
  4. [SOLVED]Closed: Do I need resistors for Intersi's HIN232 (MAX232 alternative)?

    Started by elPresidente, 6th September 2012 02:58
    • Replies: 1
    • Views: 1,295
    6th September 2012, 09:38 Go to last post
  5. Closed: FET Battery backup switching

    Started by tmd_63, 7th March 2012 11:08
    • Replies: 5
    • Views: 3,459
    6th September 2012, 00:36 Go to last post
  6. Closed: vga or hdmi switching device

    Started by polarized, 4th September 2012 18:02
    • Replies: 2
    • Views: 1,184
    5th September 2012, 17:11 Go to last post
  7. Closed: how's the pin configuration of the dc jack?

    Started by MyMelon, 5th September 2012 14:08
    • Replies: 2
    • Views: 11,158
    5th September 2012, 14:26 Go to last post
  8. Closed: Idea for a protoyping board

    Started by boylesg, 3rd September 2012 17:11
    • Replies: 3
    • Views: 1,064
    4th September 2012, 02:23 Go to last post
  9. Closed: Help me fix mistakes in an ultrasonic range meter

    Started by mlodyfn, 28th August 2012 21:21
    • Replies: 11
    • Views: 1,810
    3rd September 2012, 22:07 Go to last post
  10. Closed: measuring the long tail of a transient decay

    Started by eigenroot, 2nd September 2012 05:54
    • Replies: 7
    • Views: 1,336
    3rd September 2012, 20:43 Go to last post
  11. Closed: Laser driver with 500mA current

    Started by AVRrajan, 6th March 2012 12:27
    • Replies: 16
    • Views: 7,214
    3rd September 2012, 20:39 Go to last post
  12. Closed: Interference latchup problem

    Started by Zedman, 31st August 2012 15:56
    • Replies: 3
    • Views: 1,291
    3rd September 2012, 20:16 Go to last post
  13. Closed: Simple bluetooth circuit to design

    Started by aghahusain, 3rd September 2012 12:24
    • Replies: 3
    • Views: 2,184
    3rd September 2012, 18:55 Go to last post
  14. [SOLVED]Closed: Why did I get the slow sine curves when measuring clock signal ?

    Started by talking, 2nd September 2012 09:58
    • Replies: 6
    • Views: 1,383
    3rd September 2012, 10:28 Go to last post
  15. [SOLVED]Closed: How to make an RF Signal Harvesters

    Started by peterjohn0000, 2nd September 2012 08:31
    • Replies: 3
    • Views: 1,049
    2nd September 2012, 10:47 Go to last post
  16. Closed: Problem to invert Infrared signal

    Started by savannahlexus, 27th August 2012 22:20
    • Replies: 4
    • Views: 3,492
    2nd September 2012, 04:38 Go to last post
  17. Closed: Farnell labels will fade out within a year!

    Started by sky_123, 30th August 2012 23:52
    • Replies: 1
    • Views: 978
    31st August 2012, 19:49 Go to last post
  18. Closed: 1000 watt pure sine wave inverter

    Started by reynier1223, 19th June 2012 06:17
    5 Pages
    1 2 3 ... 5
    • Replies: 81
    • Views: 29,178
    31st August 2012, 11:47 Go to last post
  19. Closed: What IC Sockets for prototyping boards?

    Started by louarnold, 29th August 2012 22:33
    • Replies: 7
    • Views: 3,068
    31st August 2012, 02:19 Go to last post
  20. Closed: Rotating solar panel powered clock - circuit design help!

    Started by xeroshady, 30th August 2012 20:11
    • Replies: 2
    • Views: 1,305
    30th August 2012, 21:59 Go to last post
  21. [SOLVED]Closed: BJT inverter with high base to emitter resistance

    Started by Y.li, 28th August 2012 11:17
    • Replies: 4
    • Views: 1,501
    30th August 2012, 11:32 Go to last post
  22. Closed: Datasheet for 5*7 LED dot matrix

    Started by Gupsh, 30th August 2012 09:20
    • Replies: 2
    • Views: 1,374
    30th August 2012, 10:46 Go to last post
  23. Closed: 1500W Inverter Full Schematics And Pcb

    Started by cae20452, 28th February 2006 17:19
    4 Pages
    1 2 3 ... 4
    • Replies: 79
    • Views: 145,910
    30th August 2012, 07:44 Go to last post
  24. Closed: Personal and components safety in a home lab

    Started by Ricewind, 29th August 2012 18:14
    • Replies: 2
    • Views: 1,073
    29th August 2012, 20:44 Go to last post
  25. Closed: Project on Water Level Indicator

    Started by K2DGR8, 28th August 2012 22:24
    • Replies: 4
    • Views: 1,891
    29th August 2012, 15:39 Go to last post
  26. Closed: "Starting when shaking/falling" device, for hardware system

    Started by chromatik, 29th August 2012 13:47
    • Replies: 3
    • Views: 987
    29th August 2012, 14:27 Go to last post
  27. Closed: Need help with mt8870DE in myanmar

    Started by ramza038, 5th January 2012 06:55
    • Replies: 2
    • Views: 1,599
    28th August 2012, 11:52 Go to last post
  28. Closed: Temperature sensor to measure upto -100 degree Centegrade

    Started by santoshhiremani, 28th August 2012 07:38
    • Replies: 3
    • Views: 1,412
    28th August 2012, 08:34 Go to last post
  29. Closed: Transistor astable multivibrator calculations

    Started by boylesg, 24th August 2012 18:41
    • Replies: 6
    • Views: 7,730
    25th August 2012, 17:07 Go to last post
  30. Closed: DTMF decoder HT9170D is not detecting tones properly

    Started by shivakumar.r, 23rd August 2012 09:51
    • Replies: 4
    • Views: 1,847
    25th August 2012, 08:07 Go to last post