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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: 9,844
    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: 19,851
    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: 23,516
    pranam77
    21st August 2009, 09:14 Go to last post

  1. Help re-creating a replica movie prop

    Started by skarkowtsky, 9th October 2018 20:30
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 26
    • Views: 826
    betwixt
    Yesterday, 09:10 Go to last post

  2. Problem with using XL6009 boost converter

    Started by electronicsIUST, 13th October 2018 18:28
    1 Attachment(s)
    • Replies: 0
    • Views: 85
    electronicsIUST
    13th October 2018, 18:28 Go to last post

  3. NE567 as Am Fm demodulator question

    Started by dr pepper, 10th October 2018 13:54
    • Replies: 5
    • Views: 280
    dr pepper
    12th October 2018, 14:02 Go to last post

  4. How to drive a 1MHz Ultrasound-TD1000KA

    Started by mehran65, 9th October 2018 19:51
    • Replies: 6
    • Views: 174
    mehran65
    10th October 2018, 18:10 Go to last post

  5. Input shaft speed from open circuit voltage of PMDC machine?

    Started by aberrant, 6th October 2018 08:13
    1 Attachment(s)
    • Replies: 7
    • Views: 326
    c_mitra
    6th October 2018, 19:07 Go to last post

  6. How to put pcb to another pcb by needles?

    Started by frdm90, 2nd October 2018 11:01
    • Replies: 2
    • Views: 269
    ZASto
    3rd October 2018, 13:34 Go to last post

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

    Started by Dustbuster, 24th September 2018 09:48
    • Replies: 12
    • Views: 640
    c_mitra
    30th September 2018, 16:28 Go to last post

  8. Motor control 8*16mm 3.7v coreless motors

    Started by Ramila, 28th September 2018 13:07
    • Replies: 1
    • Views: 107
    KlausST
    28th September 2018, 13:34 Go to last post

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

    Started by eagle1109, 9th September 2018 17:49
    2 Attachment(s)
    • Replies: 14
    • Views: 899
    eagle1109
    28th September 2018, 10:11 Go to last post

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

    Started by DroneFisherMan, 19th September 2018 15:41
    4 Attachment(s)
    • Replies: 11
    • Views: 565
    d123
    25th September 2018, 22:19 Go to last post

  11. Ltc3108 energy harvesting

    Started by vibooze, 17th July 2018 10:37
    • Replies: 5
    • Views: 402
    FvM
    25th September 2018, 17:22 Go to last post

  12. fm transmitter problem-strange-help needed

    Started by Javid.zare.s, 14th September 2018 22:33
    5 Attachment(s)
    • Replies: 9
    • Views: 465
    Audioguru
    25th September 2018, 12:31 Go to last post

  13. Inefficiencies in Hardware Bring-up Discussion

    Started by derail, 19th September 2018 02:02
    • Replies: 2
    • Views: 218
    derail
    24th September 2018, 16:26 Go to last post

  14. HDMI Hot Plug Detection

    Started by abimann, 18th September 2018 06:49
    • Replies: 7
    • Views: 347
    BradtheRad
    22nd September 2018, 21:07 Go to last post

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

    Started by Tenatious, 21st September 2018 09:15
    1 Attachment(s)
    • Replies: 4
    • Views: 288
    Tenatious
    22nd September 2018, 09:49 Go to last post

  16. Varing Alphanumeric LCD contrast

    Started by NewbeeAVR, 21st August 2018 18:08
    • Replies: 6
    • Views: 583
    SunnySkyguy
    21st September 2018, 10:00 Go to last post

  17. Powering Peltier with LiPo battery

    Started by dansteinb, 17th September 2018 06:05
    • Replies: 3
    • Views: 286
    dansteinb
    18th September 2018, 16:16 Go to last post

  18. Check Working of IC 74LS147

    Started by Utkarsh_, 12th September 2018 18:01
    • Replies: 3
    • Views: 240
    betwixt
    12th September 2018, 22:34 Go to last post

  19. Switching power supply for benchtop?

    Started by risom, 11th September 2018 21:57
    • Replies: 3
    • Views: 265
    risom
    12th September 2018, 14:29 Go to last post

  20. 4 channel iot controller sketches not compiling

    Started by sribangaram, 11th September 2018 13:34
    3 Attachment(s)
    • Replies: 12
    • Views: 716
    andre_teprom
    12th September 2018, 12:24 Go to last post

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

    Started by ZeleC, 29th June 2003 12:38
    • Replies: 18
    • Views: 52,879
    andre_teprom
    11th September 2018, 18:34 Go to last post

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

    Started by Embedded_Geek, 8th September 2018 19:37
    • Replies: 8
    • Views: 489
    KlausST
    9th September 2018, 09:08 Go to last post

  23. Self driving piezo used as CNC touch probe?

    Started by harvie, 30th August 2018 04:15
    2 Attachment(s)
    • Replies: 1
    • Views: 623
    betwixt
    30th August 2018, 11:29 Go to last post

  24. MiniFM-Oldie Receiver

    Started by zlatkoMM, 28th August 2018 13:52
    2 Attachment(s)
    • Replies: 2
    • Views: 244
    zlatkoMM
    29th August 2018, 23:46 Go to last post

  25. Y-B200ATX power supply modification

    Started by iods, 28th August 2018 18:20
    1 Attachment(s)
    • Replies: 0
    • Views: 212
    iods
    28th August 2018, 18:20 Go to last post

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

    Started by katastic_voyage, 16th August 2018 07:16
    • Replies: 8
    • Views: 603
    katastic_voyage
    28th August 2018, 12:02 Go to last post

  27. SIM900 - signal problem

    Started by mglowinski93, 5th August 2018 22:30
    • Replies: 2
    • Views: 492
    mglowinski93
    25th August 2018, 09:47 Go to last post

  28. Type B HDMI connector

    Started by yura717, 20th August 2018 01:35
    1 Attachment(s)
    • Replies: 3
    • Views: 520
    shaiko
    23rd August 2018, 09:57 Go to last post

  29. Resistance to resistance converter with dual output

    Started by realspido, 13th August 2018 04:00
    2 Attachment(s)
    • Replies: 11
    • Views: 900
    realspido
    22nd August 2018, 08:28 Go to last post

  30. 555 motor PWM speed controller

    Started by boylesg, 20th August 2018 17:21
    • Replies: 4
    • Views: 344
    srizbf
    21st August 2018, 12:09 Go to last post
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