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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: 10,841
    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: 20,664
    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: 23,946
    pranam77
    21st August 2009, 09:14 Go to last post

  1. 1500mW laser diode question

    Started by boylesg, Yesterday 13:54
    • Replies: 13
    • Views: 184
    FvM
    Today, 19:15 Go to last post

  2. Should I replace DMM fuse with resetable PTC?

    Started by harvie, Yesterday 12:40
    • Replies: 3
    • Views: 173
    barry
    Yesterday, 23:38 Go to last post

  3. Room Temperature using MCU

    Started by venkates2218, 18th March 2019 09:19
    • Replies: 4
    • Views: 326
    venkates2218
    18th March 2019, 13:35 Go to last post

  4. verilog code for Kogge Stone adder

    Started by venkatesh_247, 15th March 2019 18:18
    • Replies: 3
    • Views: 222
    venkatesh_247
    16th March 2019, 06:25 Go to last post

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

    Started by gizzard, 24th February 2019 11:03
    • Replies: 10
    • Views: 1,017
    gizzard
    10th March 2019, 02:15 Go to last post

  6. Good quality sound using Microcontroller

    Started by shubham kumar, 27th February 2019 12:10
    2 Attachment(s)
    • Replies: 14
    • Views: 775
    shubham kumar
    8th March 2019, 12:29 Go to last post

  7. Which Display is good for long time users?

    Started by Graphicitbd, 6th March 2019 07:21
    2 Attachment(s)
    • Replies: 1
    • Views: 220
    KlausST
    6th March 2019, 07:49 Go to last post

  8. I Blew up Two 12V CPU fans.

    Started by thirtyonemessier, 5th March 2019 17:09
    • Replies: 2
    • Views: 211
    betwixt
    5th March 2019, 20:34 Go to last post

  9. Power adaptor for battery charger compatability

    Started by 12strings, 3rd March 2019 04:26
    • Replies: 4
    • Views: 445
    12strings
    4th March 2019, 02:20 Go to last post

  10. how to damp sim800 gsm noise on adc

    Started by m3r, 2nd March 2019 07:50
    3 Attachment(s)
    • Replies: 8
    • Views: 324
    m3r
    2nd March 2019, 16:46 Go to last post

  11. Chaining Optical Endstops

    Started by Lilithet, 25th February 2019 09:58
    2 Attachment(s)
    • Replies: 12
    • Views: 539
    Lilithet
    27th February 2019, 10:26 Go to last post

  12. 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: 496
    betwixt
    21st February 2019, 09:49 Go to last post

  13. 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: 311
    NairVI
    19th February 2019, 19:15 Go to last post

  14. Can anyone help with this Tesla coil?

    Started by Aidan5566, 18th February 2019 17:37
    2 Attachment(s)
    • Replies: 3
    • Views: 257
    betwixt
    18th February 2019, 23:04 Go to last post

  15. nRF24L01 and ESP8266 in Arduino UNO

    Started by anneshabaruah, 11th February 2019 12:49
    • Replies: 9
    • Views: 737
    andre_teprom
    12th February 2019, 13:32 Go to last post

  16. replacing speaker with aux cable??

    Started by Javid.zare.s, 5th February 2019 10:10
    5 Attachment(s)
    • Replies: 7
    • Views: 804
    Audioguru
    7th February 2019, 19:07 Go to last post

  17. IR photo transistor replacement, help needed

    Started by Javid.zare.s, 6th February 2019 12:04
    2 Attachment(s)
    • Replies: 3
    • Views: 520
    betwixt
    6th February 2019, 21:04 Go to last post

  18. How do you trigger a triac?

    Started by boylesg, 6th February 2019 02:33
    1 Attachment(s)
    • Replies: 3
    • Views: 319
    schmitt trigger
    6th February 2019, 17:00 Go to last post

  19. Proteus 8.8 Through-hole library problem

    Started by stoykus, 5th February 2019 12:35
    • Replies: 0
    • Views: 204
    stoykus
    5th February 2019, 12:35 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: 181
    • Views: 8,939
    betwixt
    27th January 2019, 15:40 Go to last post

  21. USB differential pair on 2 layer board

    Started by Jester, 16th January 2019 22:03
    1 Attachment(s)
    • Replies: 3
    • Views: 752
    KlausST
    17th January 2019, 00:32 Go to last post

  22. "IR based" relay driving problem

    Started by Javid.zare.s, 16th January 2019 06:49
    3 Attachment(s)
    • Replies: 6
    • Views: 502
    d123
    16th January 2019, 15:15 Go to last post

  23. Short circuit protection in PCB design

    Started by Veketti, 27th December 2018 10:46
    2 Attachment(s)
    • Replies: 11
    • Views: 1,284
    d123
    11th January 2019, 19:32 Go to last post

  24. [SOLVED] How are these called? - protection tubes for a single pin header

    Started by theUltimateSource, 17th December 2018 11:12
    • Replies: 0
    • Views: 336
    theUltimateSource
    17th December 2018, 12:20 Go to last post

  25. Attaching Aerial to Case

    Started by cosmarchy, 12th December 2018 22:19
    • Replies: 3
    • Views: 480
    volker@muehlhaus
    14th December 2018, 08:09 Go to last post

  26. Zener diode protection on MCU digital pins

    Started by boylesg, 4th December 2018 23:45
    • Replies: 7
    • Views: 782
    schmitt trigger
    5th December 2018, 16:06 Go to last post

  27. Swapping Tx+ Tx- wires in Ethernet communication

    Started by jimmykk, 4th December 2018 13:48
    • Replies: 4
    • Views: 566
    FvM
    4th December 2018, 23:09 Go to last post

  28. Wiring RGB LED FAN/strip

    Started by cyberctrl, 29th November 2018 10:33
    3 Attachment(s)
    • Replies: 3
    • Views: 557
    d123
    29th November 2018, 21:32 Go to last post

  29. Should I care about lead-free solder impurities?

    Started by neazoi, 29th November 2018 12:32
    2 Attachment(s)
    • Replies: 3
    • Views: 428
    betwixt
    29th November 2018, 14:49 Go to last post

  30. [Moved] Do you know sth about Remote LED sensor

    Started by kangyunmei, 23rd November 2018 02:54
    • Replies: 1
    • Views: 540
    BradtheRad
    23rd November 2018, 04:23 Go to last post
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