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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
    2 Attachment(s)
    • Replies: 1
    • Views: 12,175
    d123
    22nd November 2016, 22:02 Go to last post

  2. 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: 22,053
    Rattanee
    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: 24,943
    pranam77
    21st August 2009, 09:14 Go to last post

  1. power supply for rPi in enclosed space

    Started by csdave, Yesterday 20:49
    • Replies: 1
    • Views: 60
    andre_teprom
    Yesterday, 21:42 Go to last post

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

    Started by Blackdragonier, 23rd July 2019 13:14
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 29
    • Views: 1,416
    betwixt
    Yesterday, 20:05 Go to last post

  3. cd4060 used in sensor circuit

    Started by bilgekaan76, 20th August 2019 14:58
    • Replies: 3
    • Views: 212
    betwixt
    21st August 2019, 09:46 Go to last post

  4. LTC 4367 Transistor burning Issues

    Started by usama14, 20th August 2019 08:01
    2 Attachment(s)
    • Replies: 4
    • Views: 162
    usama14
    21st August 2019, 06:14 Go to last post

  5. PCB Service in Europe/USA

    Started by clros, 13th August 2019 14:56
    • Replies: 0
    • Views: 228
    clros
    13th August 2019, 14:56 Go to last post

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

    Started by JDW_, 8th August 2019 02:18
    • Replies: 10
    • Views: 399
    JDW_
    8th August 2019, 22:37 Go to last post

  7. Minimize effect of IR bulbs on image

    Started by fixit7, 28th July 2019 12:57
    • Replies: 6
    • Views: 500
    Nik_2213
    8th August 2019, 04:28 Go to last post

  8. Looking for any Display

    Started by Coper, 5th August 2019 11:52
    • Replies: 0
    • Views: 201
    Coper
    5th August 2019, 11:52 Go to last post

  9. 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: 704
    ads-ee
    30th July 2019, 20:36 Go to last post

  10. [SOLVED] First 555 project question

    Started by poolshark021, 26th July 2019 17:14
    3 Attachment(s)
    • Replies: 10
    • Views: 649
    poolshark021
    27th July 2019, 22:26 Go to last post

  11. 24Vdc Relay for a DC load of 2A 600V

    Started by brunofunchas, 26th July 2019 17:10
    • Replies: 4
    • Views: 382
    c_mitra
    27th July 2019, 04:00 Go to last post

  12. ESP32 Modbus RTU and measuring miliamp current

    Started by brunofunchas, 25th July 2019 14:39
    • Replies: 2
    • Views: 352
    brunofunchas
    26th July 2019, 09:26 Go to last post

  13. 5 Transistors Linear Triangle Wave Generator

    Started by iimagine, 25th July 2019 13:39
    1 Attachment(s)
    • Replies: 3
    • Views: 279
    iimagine
    25th July 2019, 14:02 Go to last post

  14. NodeMCU ESP-32S pitch

    Started by brunofunchas, 19th July 2019 16:39
    1 Attachment(s)
    • Replies: 4
    • Views: 507
    brunofunchas
    22nd July 2019, 12:28 Go to last post

  15. Hand soldering a 6x6mm QFN (28pin)

    Started by treez, 19th July 2019 06:29
    1 Attachment(s)
    • Replies: 10
    • Views: 665
    betwixt
    21st July 2019, 11:19 Go to last post

  16. Every few Hours clock running fast rtc1307

    Started by sajsaj220, 24th June 2019 19:30
    • Replies: 6
    • Views: 513
    kripacharya
    19th July 2019, 19:31 Go to last post

  17. Problem with my echo circuit using PT2399

    Started by anandhuskumar, 18th July 2019 14:18
    1 Attachment(s)
    • Replies: 3
    • Views: 330
    FvM
    19th July 2019, 09:44 Go to last post

  18. Source of resistors without buying bulk

    Started by cosmarchy, 18th July 2019 21:53
    • Replies: 2
    • Views: 223
    Allen6502
    19th July 2019, 03:47 Go to last post

  19. Wireless door bell Sender not working

    Started by fixit7, 11th July 2019 13:50
    2 Attachment(s)
    • Replies: 8
    • Views: 686
    betwixt
    18th July 2019, 08:35 Go to last post

  20. Applications I can work On

    Started by electronicsman, 6th July 2019 15:55
    • Replies: 3
    • Views: 845
    Swend
    8th July 2019, 14:22 Go to last post

  21. Pool Saltwater Chlorine Generator - PCB Help Needed

    Started by Bogey, 3rd July 2019 18:03
    6 Attachment(s)
    • Replies: 4
    • Views: 563
    betwixt
    5th July 2019, 18:58 Go to last post

  22. AD8619 Vol Measurement

    Started by chandlerbing65nm, 4th July 2019 11:49
    1 Attachment(s)
    • Replies: 1
    • Views: 271
    KlausST
    4th July 2019, 12:12 Go to last post

  23. [SOLVED] driving a relay (5v supply)

    Started by Javid.zare.s, 2nd July 2019 09:19
    1 Attachment(s)
    • Replies: 4
    • Views: 427
    KlausST
    2nd July 2019, 19:01 Go to last post

  24. PC based Oscilloscopes

    Started by electronicsman, 30th June 2019 12:31
    • Replies: 4
    • Views: 469
    Swend
    1st July 2019, 07:50 Go to last post

  25. Adding a light parallel to existing loudspeaker circuit

    Started by gubavac111, 29th June 2019 15:48
    1 Attachment(s)
    • Replies: 6
    • Views: 490
    gubavac111
    30th June 2019, 09:34 Go to last post

  26. Car battery STARTER voltage help (not charger) using variety of methods (possibly AC)

    Started by kingtal0n, 25th June 2019 04:16
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 21
    • Views: 1,184
    BradtheRad
    27th June 2019, 07:12 Go to last post

  27. [SOLVED] Tip41c/42c arrangement problem

    Started by Javid.zare.s, 8th June 2019 10:56
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 38
    • Views: 1,850
    Easy peasy
    26th June 2019, 20:23 Go to last post

  28. Display segment issue

    Started by Kick, 20th June 2019 07:47
    1 Attachment(s)
    • Replies: 2
    • Views: 359
    KlausST
    20th June 2019, 10:33 Go to last post

  29. Current Transducer Test Rig - Doubts

    Started by japasetelagoas, 19th June 2019 00:42
    • Replies: 1
    • Views: 283
    Easy peasy
    19th June 2019, 02:38 Go to last post

  30. How to move metal elements via magnetic waves?

    Started by mowpsi, 6th June 2019 23:20
    1 Attachment(s)
    • Replies: 8
    • Views: 719
    kripacharya
    17th June 2019, 21:46 Go to last post
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