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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: 9,493
    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: 7,513
    1st September 2016, 23:36 Go to last post
    • Replies: 4
    • Views: 19,631
    2nd August 2014, 19:26 Go to last post
  3. Sticky Thread Sticky: Read this before posting.

    Started by pranam77, 21st August 2009 09:14
    • Replies: 0
    • Views: 23,441
    21st August 2009, 09:14 Go to last post
  1. Varing Alphanumeric LCD contrast

    Started by NewbeeAVR, Today 18:08
    • Replies: 1
    • Views: 62
    Today, 18:40 Go to last post
  2. 555 motor PWM speed controller

    Started by boylesg, Yesterday 17:21
    • Replies: 4
    • Views: 120
    Today, 12:09 Go to last post
  3. Resistance to resistance converter with dual output

    Started by realspido, 13th August 2018 04:00
    • Replies: 10
    • Views: 465
    Today, 07:08 Go to last post
  4. Type B HDMI connector

    Started by yura717, Yesterday 01:35
    • Replies: 1
    • Views: 126
    Yesterday, 21:16 Go to last post
  5. 4 Pin plug with cable

    Started by yura717, 19th August 2018 05:39
    • Replies: 3
    • Views: 187
    19th August 2018, 22:58 Go to last post
  6. Averaging and totalling two voltages

    Started by loadlover, 17th August 2018 21:35
    • Replies: 2
    • Views: 232
    19th August 2018, 03:59 Go to last post
  7. SIM900 - signal problem

    Started by mglowinski93, 5th August 2018 22:30
    • Replies: 1
    • Views: 153
    19th August 2018, 02:21 Go to last post
  8. What is the name of this connector?

    Started by frdm90, 14th August 2018 13:55
    • Replies: 1
    • Views: 154
    14th August 2018, 15:09 Go to last post
  9. Cascaded Current Loop in Motor Control

    Started by PPhil, 10th August 2018 07:04
    • Replies: 12
    • Views: 431
    13th August 2018, 15:04 Go to last post
    • Replies: 1
    • Views: 208
    10th August 2018, 11:10 Go to last post
    • Replies: 2
    • Views: 208
    10th August 2018, 00:00 Go to last post
  10. ultrasonic generators

    Started by Undergraduatepowerelecs, 9th July 2018 17:48
    2 Pages
    1 2
    • Replies: 20
    • Views: 994
    9th August 2018, 16:01 Go to last post
  11. Fuse led reset function

    Started by Tinkerer12, 7th August 2018 13:35
    • Replies: 12
    • Views: 425
    9th August 2018, 04:11 Go to last post
  12. Darlington Array IC with Enable Pin

    Started by AzharElectronics, 28th May 2018 07:15
    • Replies: 9
    • Views: 505
    7th August 2018, 13:22 Go to last post
  13. [SOLVED] Using TX-S DPDT Latch type relay

    Started by shashy.br, 6th August 2018 13:42
    • Replies: 4
    • Views: 174
    7th August 2018, 05:08 Go to last post
  14. dc motor speed controller

    Started by m.pinarbasi, 5th August 2018 10:25
    • Replies: 5
    • Views: 303
    6th August 2018, 01:03 Go to last post
    • Replies: 4
    • Views: 357
    4th August 2018, 10:18 Go to last post
  15. Broken 240/120 switch on Transformer

    Started by Thayne, 23rd July 2018 20:31
    • Replies: 9
    • Views: 685
    30th July 2018, 17:00 Go to last post
  16. gsm noise on tsop1738

    Started by m3r, 29th July 2018 18:59
    • Replies: 6
    • Views: 318
    30th July 2018, 09:53 Go to last post
  17. Signal that driver stepper motor

    Started by jjzai123, 30th July 2018 05:55
    • Replies: 1
    • Views: 148
    30th July 2018, 07:33 Go to last post
  18. Safety of specific LEDs

    Started by nonlocality, 27th July 2018 05:09
    • Replies: 3
    • Views: 295
    27th July 2018, 21:24 Go to last post
  19. need a siren circuit

    Started by mohsen 2012, 26th July 2018 20:02
    • Replies: 6
    • Views: 312
    27th July 2018, 20:50 Go to last post
  20. Layer explanation in Altium

    Started by P_C_B, 23rd July 2018 18:12
    • Replies: 7
    • Views: 324
    25th July 2018, 02:08 Go to last post
  21. Amplify 17Hz sine wave from a 555

    Started by boylesg, 20th July 2018 04:12
    2 Pages
    1 2
    • Replies: 26
    • Views: 986
    22nd July 2018, 05:06 Go to last post
  22. How does 2N4401 drive 59mA stepper motor

    Started by Kynix, 21st July 2018 03:54
    • Replies: 1
    • Views: 165
    21st July 2018, 08:07 Go to last post
  23. Simple 120VAC to 12VDC Project

    Started by Thayne, 19th July 2018 15:57
    • Replies: 5
    • Views: 328
    20th July 2018, 14:03 Go to last post
  24. Driver for steppermotor using Arduino doesn't work

    Started by Art24, 17th July 2018 20:36
    • Replies: 8
    • Views: 476
    19th July 2018, 18:28 Go to last post