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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
    • Replies: 1
    • Views: 11,886
    22nd November 2016, 22:02 Go to last post
    • Replies: 4
    • Views: 21,740
    2nd August 2014, 19:26 Go to last post
  2. Sticky Thread Sticky: Read this before posting.

    Started by pranam77, 21st August 2009 09:14
    • Replies: 0
    • Views: 24,718
    21st August 2009, 09:14 Go to last post
  1. Hand soldering a 6x6mm QFN (28pin)

    Started by treez, 19th July 2019 06:29
    • Replies: 10
    • Views: 232
    Today, 11:19 Go to last post
  2. NodeMCU ESP-32S pitch

    Started by brunofunchas, 19th July 2019 16:39
    • Replies: 3
    • Views: 165
    19th July 2019, 21:31 Go to last post
  3. Every few Hours clock running fast rtc1307

    Started by sajsaj220, 24th June 2019 19:30
    • Replies: 6
    • Views: 340
    19th July 2019, 19:31 Go to last post
  4. Problem with my echo circuit using PT2399

    Started by anandhuskumar, 18th July 2019 14:18
    • Replies: 3
    • Views: 170
    19th July 2019, 09:44 Go to last post
  5. Source of resistors without buying bulk

    Started by cosmarchy, 18th July 2019 21:53
    • Replies: 2
    • Views: 100
    19th July 2019, 03:47 Go to last post
  6. Wireless door bell Sender not working

    Started by fixit7, 11th July 2019 13:50
    • Replies: 8
    • Views: 425
    18th July 2019, 08:35 Go to last post
  7. Applications I can work On

    Started by electronicsman, 6th July 2019 15:55
    • Replies: 3
    • Views: 683
    8th July 2019, 14:22 Go to last post
    • Replies: 4
    • Views: 421
    5th July 2019, 18:58 Go to last post
  8. AD8619 Vol Measurement

    Started by chandlerbing65nm, 4th July 2019 11:49
    • Replies: 1
    • Views: 187
    4th July 2019, 12:12 Go to last post
  9. [SOLVED] driving a relay (5v supply)

    Started by Javid.zare.s, 2nd July 2019 09:19
    • Replies: 4
    • Views: 311
    2nd July 2019, 19:01 Go to last post
  10. PC based Oscilloscopes

    Started by electronicsman, 30th June 2019 12:31
    • Replies: 4
    • Views: 328
    1st July 2019, 07:50 Go to last post
    • Replies: 6
    • Views: 348
    30th June 2019, 09:34 Go to last post
    • Replies: 21
    • Views: 953
    27th June 2019, 07:12 Go to last post
  11. [SOLVED] Tip41c/42c arrangement problem

    Started by Javid.zare.s, 8th June 2019 10:56
    2 Pages
    1 2
    • Replies: 38
    • Views: 1,531
    26th June 2019, 20:23 Go to last post
  12. Display segment issue

    Started by Kick, 20th June 2019 07:47
    • Replies: 2
    • Views: 258
    20th June 2019, 10:33 Go to last post
  13. Current Transducer Test Rig - Doubts

    Started by japasetelagoas, 19th June 2019 00:42
    • Replies: 1
    • Views: 200
    19th June 2019, 02:38 Go to last post
  14. How to move metal elements via magnetic waves?

    Started by mowpsi, 6th June 2019 23:20
    • Replies: 8
    • Views: 547
    17th June 2019, 21:46 Go to last post
  15. Help required for ST7920 GLCD with Arduino GLCD

    Started by chi239, 17th June 2019 07:52
    • Replies: 0
    • Views: 181
    17th June 2019, 07:52 Go to last post
  16. Led project. Led on at nightime.

    Started by Wynge, 9th June 2019 20:14
    • Replies: 14
    • Views: 920
    16th June 2019, 05:35 Go to last post
    • Replies: 2
    • Views: 387
    14th June 2019, 01:10 Go to last post
  17. heat shrink tubing over heat shrink tubing

    Started by csdave, 13th June 2019 14:58
    • Replies: 7
    • Views: 415
    13th June 2019, 19:16 Go to last post
    • Replies: 2
    • Views: 236
    13th June 2019, 18:22 Go to last post
    • Replies: 9
    • Views: 613
    13th June 2019, 08:28 Go to last post
  18. O/P not Extected in CAMMON ANODE 7-SEGMENTS

    Started by sajsaj220, 12th June 2019 08:02
    • Replies: 6
    • Views: 360
    12th June 2019, 21:37 Go to last post
  19. whats the waveform icon on multi-meter

    Started by Javid.zare.s, 5th June 2019 22:44
    • Replies: 6
    • Views: 465
    8th June 2019, 04:10 Go to last post
  20. [moved] connector / terminal block

    Started by michael1834, 7th June 2019 14:25
    • Replies: 1
    • Views: 171
    7th June 2019, 14:48 Go to last post
  21. simple proximity sensor, help needed

    Started by Javid.zare.s, 4th June 2019 23:51
    • Replies: 5
    • Views: 428
    6th June 2019, 08:55 Go to last post
  22. Driving a buzzer using a transistor

    Started by hobbyiclearner, 16th May 2019 19:44
    2 Pages
    1 2
    • Replies: 32
    • Views: 4,856
    3rd June 2019, 16:09 Go to last post
  23. Differential pressure sensor

    Started by hemnath, 24th May 2019 13:49
    • Replies: 5
    • Views: 689
    25th May 2019, 09:54 Go to last post