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Threads 1501 to 1530 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. [SOLVED]Closed: New circuit with timer ic 555

    Started by pgr2002, 22nd July 2014 11:45
    • Replies: 2
    • Views: 716
    22nd July 2014, 13:09 Go to last post
  2. Closed: Single button startup-shutdown in MCP1640 circuit?

    Started by aetosa, 21st July 2014 15:24
    • Replies: 0
    • Views: 976
    21st July 2014, 15:24 Go to last post
  3. Closed: LED working in unusual way!

    Started by Mrunal Ahirrao, 18th July 2014 07:38
    • Replies: 3
    • Views: 951
    20th July 2014, 04:16 Go to last post
  4. Closed: unipolar stepper motor driver issues

    Started by malik_zohaib, 8th July 2014 12:10
    • Replies: 5
    • Views: 1,470
    16th July 2014, 06:00 Go to last post
  5. Closed: lm 386 new sample for earphone amp.

    Started by rajaram04, 9th July 2014 07:40
    • Replies: 16
    • Views: 1,691
    14th July 2014, 10:38 Go to last post
  6. Closed: Charging Time for a 6V 7Ah Battery

    Started by tutul1717, 13th July 2014 07:54
    • Replies: 2
    • Views: 6,700
    14th July 2014, 02:32 Go to last post
  7. Closed: Need help for Toy Remote Control Car Circuit

    Started by Circuit Maker, 9th July 2014 01:27
    • Replies: 5
    • Views: 1,428
    11th July 2014, 16:03 Go to last post
  8. Closed: AC main and power supply common reference

    Started by olvine, 9th July 2014 05:39
    • Replies: 6
    • Views: 1,117
    11th July 2014, 10:17 Go to last post
  9. Closed: Logic level converter IC

    Started by jerryvdk, 10th July 2014 12:05
    • Replies: 5
    • Views: 753
    10th July 2014, 16:21 Go to last post
  10. Closed: dc/ac inverter with SG3525 with pure sine wave output

    Started by john120, 14th October 2011 06:39
    2 Pages
    1 2
    • Replies: 34
    • Views: 34,021
    9th July 2014, 13:51 Go to last post
  11. Closed: Need help with IR Circuit

    Started by Circuit Maker, 8th July 2014 15:10
    • Replies: 4
    • Views: 868
    8th July 2014, 18:10 Go to last post
  12. Closed: Looking for a diy capacitance meter ( wide range )

    Started by Jade Leo, 8th July 2014 01:14
    • Replies: 2
    • Views: 721
    8th July 2014, 03:04 Go to last post
  13. Closed: Circuit analysis for vehicle detector in another way

    Started by rajaram04, 27th June 2014 23:25
    • Replies: 13
    • Views: 1,784
    7th July 2014, 17:17 Go to last post
  14. [SOLVED]Closed: where can i find miniature led lights for pcb

    Started by mcf1lmnfs, 2nd July 2014 18:33
    • Replies: 4
    • Views: 976
    7th July 2014, 02:41 Go to last post
  15. [SOLVED]Closed: suitable lamp for uv pcb curing machine

    Started by adnan_merter, 5th July 2014 22:36
    • Replies: 6
    • Views: 2,682
    7th July 2014, 00:58 Go to last post
  16. Closed: new circuit design with Opto coupler

    Started by prabhukaran3, 3rd July 2014 15:12
    • Replies: 4
    • Views: 886
    6th July 2014, 09:57 Go to last post
  17. Closed: 1/2 hp Brushless Servo Motor Driver Question

    Started by Dexter'sLab, 6th July 2014 02:47
    • Replies: 2
    • Views: 796
    6th July 2014, 08:33 Go to last post
  18. Closed: Battery monitors with a system of my own designing

    Started by rajaram04, 26th June 2014 20:49
    • Replies: 15
    • Views: 1,203
    5th July 2014, 13:57 Go to last post
  19. Closed: Opening and closing a line when another has been opened

    Started by zookopf, 3rd July 2014 16:43
    • Replies: 0
    • Views: 638
    3rd July 2014, 16:43 Go to last post
  20. Closed: How to Control any devices using Android Apps

    Started by Mithun_K_Das, 2nd July 2014 06:03
    • Replies: 2
    • Views: 765
    3rd July 2014, 12:00 Go to last post
    • Replies: 3
    • Views: 1,050
    2nd July 2014, 02:01 Go to last post
  21. Closed: photoplethysmography circuit schematic

    Started by ohioo, 1st July 2014 13:46
    • Replies: 0
    • Views: 756
    1st July 2014, 13:46 Go to last post
  22. Closed: Scratched Circuit Board, how to fix?

    Started by hifidiaries, 30th June 2014 22:35
    • Replies: 3
    • Views: 2,283
    1st July 2014, 02:13 Go to last post
  23. Closed: power calculation for diy incubator

    Started by yamato96, 30th June 2014 01:15
    • Replies: 2
    • Views: 899
    30th June 2014, 20:41 Go to last post
  24. Closed: Talking Energy meter

    Started by Mithun_K_Das, 29th June 2014 06:28
    • Replies: 4
    • Views: 1,238
    29th June 2014, 10:52 Go to last post
  25. Closed: Bosch CCD Camera flickering Problem

    Started by shb264, 27th June 2014 12:57
    • Replies: 1
    • Views: 1,108
    29th June 2014, 08:37 Go to last post
  26. Closed: Lead acid battery charger circuit require

    Started by P1981, 8th January 2013 05:30
    2 Pages
    1 2
    • Replies: 31
    • Views: 5,550
    29th June 2014, 06:15 Go to last post
  27. Closed: How to connect a dual coil relay ?

    Started by stregoi, 7th June 2014 12:29
    • Replies: 6
    • Views: 1,628
    29th June 2014, 01:12 Go to last post
  28. Closed: Rotary Laser Leveller

    Started by slaich2000, 22nd June 2014 13:39
    • Replies: 4
    • Views: 1,126
    27th June 2014, 08:47 Go to last post