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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: 11,355
    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: 21,160
    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: 24,303
    pranam77
    21st August 2009, 09:14 Go to last post

  1. Driving a buzzer using a transistor

    Started by hobbyiclearner, 16th May 2019 19:44
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 22
    • Views: 2,067
    kripacharya
    17th May 2019, 21:53 Go to last post

  2. dc to ac coverter circuit not working

    Started by Javid.zare.s, 16th May 2019 23:08
    1 Attachment(s)
    • Replies: 1
    • Views: 258
    d123
    17th May 2019, 06:21 Go to last post

  3. [moved] IC prgramming problem

    Started by hasithgayan, 15th May 2019 00:15
    1 Attachment(s)
    • Replies: 7
    • Views: 221
    ads-ee
    15th May 2019, 23:24 Go to last post

  4. [SOLVED] Arduino nano project Arduino radio controller

    Started by gaco16, 11th May 2019 10:38
    1 Attachment(s)
    • Replies: 6
    • Views: 1,393
    gaco16
    11th May 2019, 19:49 Go to last post

  5. PWM selection for higher amperage

    Started by Boosted67, 3rd May 2019 02:50
    • Replies: 13
    • Views: 2,347
    c_mitra
    9th May 2019, 14:24 Go to last post

  6. GY-89(LSM303D) + arduino + SPI

    Started by abimann, 6th May 2019 14:37
    10 Attachment(s)
    • Replies: 7
    • Views: 247
    KlausST
    9th May 2019, 10:24 Go to last post

  7. [SOLVED] SHTW2 Sensor interface with nordic nrf52810 MCU

    Started by faiz18, 7th May 2019 08:36
    5 Attachment(s)
    • Replies: 6
    • Views: 2,610
    faiz18
    8th May 2019, 13:33 Go to last post

  8. A little help with PWM selection?

    Started by Boosted67, 30th April 2014 19:07
    • Replies: 7
    • Views: 1,063
    KlausST
    3rd May 2019, 16:37 Go to last post

  9. First 555 timer circuit, bunch of questions using a relay

    Started by kingtal0n, 21st April 2019 07:49
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 20
    • Views: 5,060
    d123
    2nd May 2019, 18:21 Go to last post

  10. Adding MIDI switching to a guitar pedal not designed for it

    Started by skarkowtsky, 1st May 2019 00:51
    • Replies: 7
    • Views: 1,031
    skarkowtsky
    1st May 2019, 18:33 Go to last post

  11. Arduino to Arduino using Serial through MAX232

    Started by Xenobius, 24th April 2019 08:43
    • Replies: 3
    • Views: 1,402
    Xenobius
    1st May 2019, 12:21 Go to last post

  12. LM741 Bass/Treble & Volume Control

    Started by Thayne, 2nd November 2018 15:46
    5 Attachment(s)
    • Replies: 15
    • Views: 1,669
    betwixt
    24th April 2019, 11:57 Go to last post

  13. [moved] How to design a crystall oscilator circuit using CMOS 40106 DESIGN

    Started by thandana, 23rd April 2019 13:45
    1 Attachment(s)
    • Replies: 7
    • Views: 793
    Aussie Susan
    23rd April 2019, 23:58 Go to last post

  14. Help to make circuit for Nerve Stimulation Device

    Started by samoel12, 25th March 2019 17:17
    2 Pages •
    1 2
    5 Attachment(s)
    • Replies: 24
    • Views: 7,596
    FvM
    21st April 2019, 10:46 Go to last post

  15. [SOLVED] Help required for Arduino Uno Heater Controller

    Started by chi239, 17th April 2019 07:28
    • Replies: 8
    • Views: 993
    chi239
    20th April 2019, 06:30 Go to last post

  16. efficient led driver circuit?

    Started by Javid.zare.s, 6th April 2019 12:34
    5 Attachment(s)
    • Replies: 16
    • Views: 826
    Audioguru
    16th April 2019, 01:30 Go to last post

  17. Car amplifier at home (diy)

    Started by evolandlupiz, 14th April 2019 23:12
    1 Attachment(s)
    • Replies: 2
    • Views: 324
    Audioguru
    15th April 2019, 16:57 Go to last post

  18. Building a heat gun out of hair dryer?

    Started by Javid.zare.s, 11th April 2019 22:28
    1 Attachment(s)
    • Replies: 1
    • Views: 339
    dick_freebird
    11th April 2019, 22:55 Go to last post

  19. Constant 12V to momentary

    Started by DPluss, 8th April 2019 07:57
    • Replies: 6
    • Views: 1,199
    betwixt
    11th April 2019, 10:14 Go to last post

  20. Help re-creating a replica movie prop

    Started by skarkowtsky, 9th October 2018 20:30
    10 Pages •
    1 2 3 ... 10
    43 Attachment(s)
    • Replies: 184
    • Views: 11,182
    d123
    10th April 2019, 09:25 Go to last post

  21. Laser Security System not working on Proteus Schematic

    Started by FelixIG15, 3rd April 2019 15:43
    1 Attachment(s)
    • Replies: 2
    • Views: 1,410
    Nik_2213
    4th April 2019, 04:15 Go to last post

  22. CT clamp unit which can send data remotely using a sim card?

    Started by barnaby.hill, 3rd April 2019 15:49
    • Replies: 0
    • Views: 134
    barnaby.hill
    3rd April 2019, 15:49 Go to last post

  23. [SOLVED] Rtc ds3231 with arduino

    Started by shubham kumar, 26th March 2019 07:47
    • Replies: 2
    • Views: 527
    shubham kumar
    26th March 2019, 10:43 Go to last post

  24. 1500mW laser diode question

    Started by boylesg, 22nd March 2019 13:54
    • Replies: 13
    • Views: 1,419
    FvM
    23rd March 2019, 19:15 Go to last post

  25. Should I replace DMM fuse with resetable PTC?

    Started by harvie, 22nd March 2019 12:40
    • Replies: 3
    • Views: 535
    barry
    22nd March 2019, 23:38 Go to last post

  26. Room Temperature using MCU

    Started by venkates2218, 18th March 2019 09:19
    • Replies: 4
    • Views: 632
    venkates2218
    18th March 2019, 13:35 Go to last post

  27. verilog code for Kogge Stone adder

    Started by venkatesh_247, 15th March 2019 18:18
    • Replies: 3
    • Views: 547
    venkatesh_247
    16th March 2019, 06:25 Go to last post

  28. [SOLVED] Display suggestion for tractor cabin mounted device

    Started by gizzard, 24th February 2019 11:03
    • Replies: 10
    • Views: 1,383
    gizzard
    10th March 2019, 02:15 Go to last post

  29. Good quality sound using Microcontroller

    Started by shubham kumar, 27th February 2019 12:10
    2 Attachment(s)
    • Replies: 14
    • Views: 1,622
    shubham kumar
    8th March 2019, 12:29 Go to last post

  30. Which Display is good for long time users?

    Started by Graphicitbd, 6th March 2019 07:21
    2 Attachment(s)
    • Replies: 1
    • Views: 321
    KlausST
    6th March 2019, 07:49 Go to last post
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