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Threads 1 to 30 of 10952

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: 11,169
    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: 20,974
    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: 24,176
    pranam77
    21st August 2009, 09:14 Go to last post

  1. LM741 Bass/Treble & Volume Control

    Started by Thayne, 2nd November 2018 15:46
    5 Attachment(s)
    • Replies: 15
    • Views: 1,250
    betwixt
    24th April 2019, 11:57 Go to last post

  2. Arduino to Arduino using Serial through MAX232

    Started by Xenobius, 24th April 2019 08:43
    • Replies: 2
    • Views: 104
    betwixt
    24th April 2019, 11:53 Go to last post

  3. [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: 342
    Aussie Susan
    23rd April 2019, 23:58 Go to last post

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

    Started by kingtal0n, 21st April 2019 07:49
    1 Attachment(s)
    • Replies: 12
    • Views: 1,295
    kingtal0n
    22nd April 2019, 22:57 Go to last post

  5. 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: 6,232
    FvM
    21st April 2019, 10:46 Go to last post

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

    Started by chi239, 17th April 2019 07:28
    • Replies: 8
    • Views: 715
    chi239
    20th April 2019, 06:30 Go to last post

  7. efficient led driver circuit?

    Started by Javid.zare.s, 6th April 2019 12:34
    5 Attachment(s)
    • Replies: 16
    • Views: 630
    Audioguru
    16th April 2019, 01:30 Go to last post

  8. Car amplifier at home (diy)

    Started by evolandlupiz, 14th April 2019 23:12
    1 Attachment(s)
    • Replies: 2
    • Views: 255
    Audioguru
    15th April 2019, 16:57 Go to last post

  9. Building a heat gun out of hair dryer?

    Started by Javid.zare.s, 11th April 2019 22:28
    1 Attachment(s)
    • Replies: 1
    • Views: 283
    dick_freebird
    11th April 2019, 22:55 Go to last post

  10. Constant 12V to momentary

    Started by DPluss, 8th April 2019 07:57
    • Replies: 6
    • Views: 1,118
    betwixt
    11th April 2019, 10:14 Go to last post

  11. 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: 9,974
    d123
    10th April 2019, 09:25 Go to last post

  12. Laser Security System not working on Proteus Schematic

    Started by FelixIG15, 3rd April 2019 15:43
    1 Attachment(s)
    • Replies: 2
    • Views: 1,134
    Nik_2213
    4th April 2019, 04:15 Go to last post

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

    Started by barnaby.hill, 3rd April 2019 15:49
    • Replies: 0
    • Views: 111
    barnaby.hill
    3rd April 2019, 15:49 Go to last post

  14. [SOLVED] Rtc ds3231 with arduino

    Started by shubham kumar, 26th March 2019 07:47
    • Replies: 2
    • Views: 490
    shubham kumar
    26th March 2019, 10:43 Go to last post

  15. 1500mW laser diode question

    Started by boylesg, 22nd March 2019 13:54
    • Replies: 13
    • Views: 1,302
    FvM
    23rd March 2019, 19:15 Go to last post

  16. Should I replace DMM fuse with resetable PTC?

    Started by harvie, 22nd March 2019 12:40
    • Replies: 3
    • Views: 427
    barry
    22nd March 2019, 23:38 Go to last post

  17. Room Temperature using MCU

    Started by venkates2218, 18th March 2019 09:19
    • Replies: 4
    • Views: 573
    venkates2218
    18th March 2019, 13:35 Go to last post

  18. verilog code for Kogge Stone adder

    Started by venkatesh_247, 15th March 2019 18:18
    • Replies: 3
    • Views: 453
    venkatesh_247
    16th March 2019, 06:25 Go to last post

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

    Started by gizzard, 24th February 2019 11:03
    • Replies: 10
    • Views: 1,287
    gizzard
    10th March 2019, 02:15 Go to last post

  20. Good quality sound using Microcontroller

    Started by shubham kumar, 27th February 2019 12:10
    2 Attachment(s)
    • Replies: 14
    • Views: 1,486
    shubham kumar
    8th March 2019, 12:29 Go to last post

  21. Which Display is good for long time users?

    Started by Graphicitbd, 6th March 2019 07:21
    2 Attachment(s)
    • Replies: 1
    • Views: 289
    KlausST
    6th March 2019, 07:49 Go to last post

  22. I Blew up Two 12V CPU fans.

    Started by thirtyonemessier, 5th March 2019 17:09
    • Replies: 2
    • Views: 297
    betwixt
    5th March 2019, 20:34 Go to last post

  23. Power adaptor for battery charger compatability

    Started by 12strings, 3rd March 2019 04:26
    • Replies: 4
    • Views: 559
    12strings
    4th March 2019, 02:20 Go to last post

  24. how to damp sim800 gsm noise on adc

    Started by m3r, 2nd March 2019 07:50
    3 Attachment(s)
    • Replies: 8
    • Views: 480
    m3r
    2nd March 2019, 16:46 Go to last post

  25. Chaining Optical Endstops

    Started by Lilithet, 25th February 2019 09:58
    2 Attachment(s)
    • Replies: 12
    • Views: 797
    Lilithet
    27th February 2019, 10:26 Go to last post

  26. Open collector output arduino with led with PLC inputs problem

    Started by Big_Joe2, 11th February 2019 23:52
    2 Attachment(s)
    • Replies: 5
    • Views: 625
    betwixt
    21st February 2019, 09:49 Go to last post

  27. Circuit for NPP-301A 100PSI IC (Pressure sensor) combined with MAX1472 RF Transmitter

    Started by NairVI, 17th February 2019 16:30
    4 Attachment(s)
    • Replies: 3
    • Views: 400
    NairVI
    19th February 2019, 19:15 Go to last post

  28. Can anyone help with this Tesla coil?

    Started by Aidan5566, 18th February 2019 17:37
    2 Attachment(s)
    • Replies: 3
    • Views: 341
    betwixt
    18th February 2019, 23:04 Go to last post

  29. nRF24L01 and ESP8266 in Arduino UNO

    Started by anneshabaruah, 11th February 2019 12:49
    • Replies: 9
    • Views: 939
    andre_teprom
    12th February 2019, 13:32 Go to last post

  30. replacing speaker with aux cable??

    Started by Javid.zare.s, 5th February 2019 10:10
    5 Attachment(s)
    • Replies: 7
    • Views: 959
    Audioguru
    7th February 2019, 19:07 Go to last post
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