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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: Everything you wanted to know about soldering and desoldering but were afraid to ask

    Started by E-design, 2nd July 2013 08:01
    • Replies: 4
    • Views: 22,374
    Rattanee
    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: 25,184
    pranam77
    21st August 2009, 09:14 Go to last post

  1. Portable headphone amp w. batteries

    Started by mikaelmark, 21st September 2019 14:13
    3 Attachment(s)
    • Replies: 14
    • Views: 359
    lggrover
    Today, 06:07 Go to last post

  2. li-ion voltage reducer to 3volt - help needed

    Started by Javid.zare.s, 15th September 2019 01:20
    1 Attachment(s)
    • Replies: 7
    • Views: 487
    KlausST
    17th September 2019, 23:27 Go to last post

  3. Change colors of liquid crystal display

    Started by RevDNS, 9th September 2019 08:51
    4 Attachment(s)
    • Replies: 5
    • Views: 507
    betwixt
    17th September 2019, 08:45 Go to last post

  4. Li-ion Battery charger need help

    Started by maxim10373, 16th September 2019 06:15
    1 Attachment(s)
    • Replies: 4
    • Views: 262
    Easy peasy
    16th September 2019, 08:48 Go to last post

  5. Operating four Tx-Rx pairs in close proximity

    Started by Mapuia, 12th September 2019 16:43
    • Replies: 7
    • Views: 324
    Mapuia
    12th September 2019, 20:58 Go to last post

  6. Raspberry Pi Gameboy Project - wiring a slide switch to a PCB

    Started by matt93, 11th September 2019 18:43
    2 Attachment(s)
    • Replies: 0
    • Views: 181
    matt93
    11th September 2019, 18:43 Go to last post

  7. Testing LI Batteries with the help of a device

    Started by Prem Arjun, 10th September 2019 17:15
    • Replies: 2
    • Views: 189
    Audioguru
    11th September 2019, 03:08 Go to last post

  8. H bridge with IR2110

    Started by maimahmoud93, 10th September 2019 12:11
    2 Attachment(s)
    • Replies: 3
    • Views: 234
    BradtheRad
    11th September 2019, 01:21 Go to last post

  9. Homemade music lighting system with controller board(s)

    Started by keukenrol, 1st September 2019 18:12
    1 Attachment(s)
    • Replies: 8
    • Views: 665
    keukenrol
    9th September 2019, 12:09 Go to last post

  10. Clean power supply for RTC

    Started by pk2010, 8th September 2019 10:06
    1 Attachment(s)
    • Replies: 2
    • Views: 312
    schmitt trigger
    8th September 2019, 21:32 Go to last post

  11. [SOLVED] CD4053 connect unused pins

    Started by clros, 7th September 2019 17:02
    • Replies: 4
    • Views: 278
    schmitt trigger
    7th September 2019, 23:07 Go to last post

  12. Astable Multivibrator not switching

    Started by MacIntoshCZ, 4th September 2019 16:05
    3 Attachment(s)
    • Replies: 8
    • Views: 459
    Audioguru
    5th September 2019, 15:24 Go to last post

  13. LED headlight pcb reverse engineering

    Started by FJR1, 3rd September 2019 22:03
    4 Attachment(s)
    • Replies: 1
    • Views: 249
    betwixt
    4th September 2019, 08:52 Go to last post

  14. Two ps/2 ports and a FPGA

    Started by clros, 1st September 2019 18:48
    • Replies: 3
    • Views: 784
    clros
    2nd September 2019, 12:02 Go to last post

  15. Smartphones' Powerbank

    Started by Hunter666_444, 31st August 2019 18:29
    1 Attachment(s)
    • Replies: 7
    • Views: 528
    targoose
    2nd September 2019, 09:44 Go to last post

  16. [SOLVED] DC-DC converter to -3.3v

    Started by clros, 31st August 2019 09:30
    1 Attachment(s)
    • Replies: 4
    • Views: 431
    BradtheRad
    1st September 2019, 03:22 Go to last post

  17. BP4836 BMW Reverse RDS

    Started by TripsD, 27th August 2019 19:18
    • Replies: 8
    • Views: 533
    ads-ee
    30th August 2019, 15:59 Go to last post

  18. Designing a simple DC Massage Device

    Started by crowtor, 26th August 2019 18:49
    3 Attachment(s)
    • Replies: 5
    • Views: 698
    srizbf
    29th August 2019, 15:30 Go to last post

  19. Looking 4 collaboration: Mobile Display

    Started by Mike_wth, 28th August 2019 15:26
    • Replies: 2
    • Views: 277
    Mike_wth
    29th August 2019, 15:16 Go to last post

  20. Is this a good Oscilloscope

    Started by electronicsman, 27th August 2019 18:43
    1 Attachment(s)
    • Replies: 3
    • Views: 333
    electronicsman
    28th August 2019, 02:47 Go to last post

  21. Problem with Logitech Audio PCB (No Sound Output)

    Started by Blackdragonier, 23rd July 2019 13:14
    2 Pages •
    1 2
    8 Attachment(s)
    • Replies: 34
    • Views: 2,207
    Blackdragonier
    24th August 2019, 01:07 Go to last post

  22. power supply for rPi in enclosed space

    Started by csdave, 22nd August 2019 20:49
    • Replies: 3
    • Views: 394
    andre_teprom
    23rd August 2019, 13:18 Go to last post

  23. cd4060 used in sensor circuit

    Started by bilgekaan76, 20th August 2019 14:58
    • Replies: 3
    • Views: 408
    betwixt
    21st August 2019, 09:46 Go to last post

  24. LTC 4367 Transistor burning Issues

    Started by usama14, 20th August 2019 08:01
    2 Attachment(s)
    • Replies: 4
    • Views: 342
    usama14
    21st August 2019, 06:14 Go to last post

  25. PCB Service in Europe/USA

    Started by clros, 13th August 2019 14:56
    • Replies: 0
    • Views: 314
    clros
    13th August 2019, 14:56 Go to last post

  26. How to use the same RELAY on 12V & 24V vehicles

    Started by JDW_, 8th August 2019 02:18
    • Replies: 10
    • Views: 627
    JDW_
    8th August 2019, 22:37 Go to last post

  27. Minimize effect of IR bulbs on image

    Started by fixit7, 28th July 2019 12:57
    • Replies: 6
    • Views: 687
    Nik_2213
    8th August 2019, 04:28 Go to last post

  28. Looking for any Display

    Started by Coper, 5th August 2019 11:52
    • Replies: 0
    • Views: 290
    Coper
    5th August 2019, 11:52 Go to last post

  29. Regarding Logic Level Sifter Using Voltage Compactor (HIGH 3V and LOW 2V)

    Started by sakibnaz, 27th July 2019 05:01
    2 Attachment(s)
    • Replies: 14
    • Views: 1,307
    ads-ee
    30th July 2019, 20:36 Go to last post

  30. [SOLVED] First 555 project question

    Started by poolshark021, 26th July 2019 17:14
    3 Attachment(s)
    • Replies: 10
    • Views: 880
    poolshark021
    27th July 2019, 22:26 Go to last post
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