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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: 9,713
    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: 19,766
    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: 23,487
    pranam77
    21st August 2009, 09:14 Go to last post

  1. Replacing an AC Ni-Cad battery charger with a DC battery charger

    Started by Dustbuster, 24th September 2018 09:48
    • Replies: 6
    • Views: 140
    c_mitra
    Today, 04:45 Go to last post

  2. Remote control not powering on! Help me please!

    Started by DroneFisherMan, 19th September 2018 15:41
    4 Attachment(s)
    • Replies: 11
    • Views: 377
    d123
    Yesterday, 22:19 Go to last post

  3. Ltc3108 energy harvesting

    Started by vibooze, 17th July 2018 10:37
    • Replies: 5
    • Views: 303
    FvM
    Yesterday, 17:22 Go to last post

  4. fm transmitter problem-strange-help needed

    Started by Javid.zare.s, 14th September 2018 22:33
    5 Attachment(s)
    • Replies: 9
    • Views: 283
    Audioguru
    Yesterday, 12:31 Go to last post

  5. Inefficiencies in Hardware Bring-up Discussion

    Started by derail, 19th September 2018 02:02
    • Replies: 2
    • Views: 148
    derail
    24th September 2018, 16:26 Go to last post

  6. HDMI Hot Plug Detection

    Started by abimann, 18th September 2018 06:49
    • Replies: 7
    • Views: 214
    BradtheRad
    22nd September 2018, 21:07 Go to last post

  7. ESP8266 Wireless Light Switch - UK Mains - Schematic Review and Suggestions

    Started by Tenatious, 21st September 2018 09:15
    1 Attachment(s)
    • Replies: 4
    • Views: 206
    Tenatious
    22nd September 2018, 09:49 Go to last post

  8. Varing Alphanumeric LCD contrast

    Started by NewbeeAVR, 21st August 2018 18:08
    • Replies: 6
    • Views: 477
    SunnySkyguy
    21st September 2018, 10:00 Go to last post

  9. Powering Peltier with LiPo battery

    Started by dansteinb, 17th September 2018 06:05
    • Replies: 3
    • Views: 205
    dansteinb
    18th September 2018, 16:16 Go to last post

  10. How to find a small steam engine for electronics project?

    Started by eagle1109, 9th September 2018 17:49
    2 Attachment(s)
    • Replies: 13
    • Views: 656
    BradtheRad
    17th September 2018, 08:50 Go to last post

  11. Check Working of IC 74LS147

    Started by Utkarsh_, 12th September 2018 18:01
    • Replies: 3
    • Views: 165
    betwixt
    12th September 2018, 22:34 Go to last post

  12. Switching power supply for benchtop?

    Started by risom, 11th September 2018 21:57
    • Replies: 3
    • Views: 196
    risom
    12th September 2018, 14:29 Go to last post

  13. 4 channel iot controller sketches not compiling

    Started by sribangaram, 11th September 2018 13:34
    3 Attachment(s)
    • Replies: 12
    • Views: 529
    andre_teprom
    12th September 2018, 12:24 Go to last post

  14. what is the difference between 74ls and 74hc

    Started by ZeleC, 29th June 2003 12:38
    • Replies: 18
    • Views: 52,294
    andre_teprom
    11th September 2018, 18:34 Go to last post

  15. [SOLVED] SMPS efficiency is less than 45%

    Started by Embedded_Geek, 8th September 2018 19:37
    • Replies: 8
    • Views: 353
    KlausST
    9th September 2018, 09:08 Go to last post

  16. Self driving piezo used as CNC touch probe?

    Started by harvie, 30th August 2018 04:15
    2 Attachment(s)
    • Replies: 1
    • Views: 544
    betwixt
    30th August 2018, 11:29 Go to last post

  17. MiniFM-Oldie Receiver

    Started by zlatkoMM, 28th August 2018 13:52
    2 Attachment(s)
    • Replies: 2
    • Views: 188
    zlatkoMM
    29th August 2018, 23:46 Go to last post

  18. Y-B200ATX power supply modification

    Started by iods, 28th August 2018 18:20
    1 Attachment(s)
    • Replies: 0
    • Views: 168
    iods
    28th August 2018, 18:20 Go to last post

  19. Debugging synthesizer. Odd voltage rail pulled from 5v to 4v.

    Started by katastic_voyage, 16th August 2018 07:16
    • Replies: 8
    • Views: 512
    katastic_voyage
    28th August 2018, 12:02 Go to last post

  20. SIM900 - signal problem

    Started by mglowinski93, 5th August 2018 22:30
    • Replies: 2
    • Views: 432
    mglowinski93
    25th August 2018, 09:47 Go to last post

  21. Type B HDMI connector

    Started by yura717, 20th August 2018 01:35
    1 Attachment(s)
    • Replies: 3
    • Views: 459
    shaiko
    23rd August 2018, 09:57 Go to last post

  22. Resistance to resistance converter with dual output

    Started by realspido, 13th August 2018 04:00
    2 Attachment(s)
    • Replies: 11
    • Views: 759
    realspido
    22nd August 2018, 08:28 Go to last post

  23. 555 motor PWM speed controller

    Started by boylesg, 20th August 2018 17:21
    • Replies: 4
    • Views: 265
    srizbf
    21st August 2018, 12:09 Go to last post

  24. 4 Pin plug with cable

    Started by yura717, 19th August 2018 05:39
    1 Attachment(s)
    • Replies: 3
    • Views: 287
    yura717
    19th August 2018, 22:58 Go to last post

  25. Averaging and totalling two voltages

    Started by loadlover, 17th August 2018 21:35
    • Replies: 2
    • Views: 330
    BradtheRad
    19th August 2018, 03:59 Go to last post

  26. What is the name of this connector?

    Started by frdm90, 14th August 2018 13:55
    1 Attachment(s)
    • Replies: 1
    • Views: 222
    KlausST
    14th August 2018, 15:09 Go to last post

  27. Cascaded Current Loop in Motor Control

    Started by PPhil, 10th August 2018 07:04
    1 Attachment(s)
    • Replies: 12
    • Views: 635
    KlausST
    13th August 2018, 15:04 Go to last post

  28. [moved] Problem while using arduino motor driver shield.

    Started by Akshaay, 7th August 2018 20:49
    1 Attachment(s)
    • Replies: 1
    • Views: 282
    MD_SHAHRUKH
    10th August 2018, 11:10 Go to last post

  29. Looking for a spring loaded thumb-press wire terminal

    Started by Plecto, 9th August 2018 11:09
    2 Attachment(s)
    • Replies: 2
    • Views: 295
    BradtheRad
    10th August 2018, 00:00 Go to last post

  30. ultrasonic generators

    Started by Undergraduatepowerelecs, 9th July 2018 17:48
    2 Pages •
    1 2
    9 Attachment(s)
    • Replies: 20
    • Views: 1,223
    FvM
    9th August 2018, 16:01 Go to last post
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