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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
    • Replies: 1
    • Views: 10,569
    22nd November 2016, 22:02 Go to last post
    • Replies: 4
    • Views: 20,401
    2nd August 2014, 19:26 Go to last post
  2. Sticky Thread Sticky: Read this before posting.

    Started by pranam77, 21st August 2009 09:14
    • Replies: 0
    • Views: 23,770
    21st August 2009, 09:14 Go to last post
    • Replies: 3
    • Views: 201
    19th February 2019, 19:15 Go to last post
  1. Can anyone help with this Tesla coil?

    Started by Aidan5566, 18th February 2019 17:37
    • Replies: 3
    • Views: 149
    18th February 2019, 23:04 Go to last post
  2. nRF24L01 and ESP8266 in Arduino UNO

    Started by anneshabaruah, 11th February 2019 12:49
    • Replies: 9
    • Views: 508
    12th February 2019, 13:32 Go to last post
  3. replacing speaker with aux cable??

    Started by Javid.zare.s, 5th February 2019 10:10
    • Replies: 7
    • Views: 629
    7th February 2019, 19:07 Go to last post
  4. IR photo transistor replacement, help needed

    Started by Javid.zare.s, 6th February 2019 12:04
    • Replies: 3
    • Views: 422
    6th February 2019, 21:04 Go to last post
  5. How do you trigger a triac?

    Started by boylesg, 6th February 2019 02:33
    • Replies: 3
    • Views: 218
    6th February 2019, 17:00 Go to last post
  6. Proteus 8.8 Through-hole library problem

    Started by stoykus, 5th February 2019 12:35
    • Replies: 0
    • Views: 118
    5th February 2019, 12:35 Go to last post
  7. Help re-creating a replica movie prop

    Started by skarkowtsky, 9th October 2018 20:30
    10 Pages
    1 2 3 ... 10
    • Replies: 181
    • Views: 8,360
    27th January 2019, 15:40 Go to last post
  8. USB differential pair on 2 layer board

    Started by Jester, 16th January 2019 22:03
    • Replies: 3
    • Views: 649
    17th January 2019, 00:32 Go to last post
  9. "IR based" relay driving problem

    Started by Javid.zare.s, 16th January 2019 06:49
    • Replies: 6
    • Views: 373
    16th January 2019, 15:15 Go to last post
  10. Short circuit protection in PCB design

    Started by Veketti, 27th December 2018 10:46
    • Replies: 11
    • Views: 1,060
    11th January 2019, 19:32 Go to last post
    • Replies: 0
    • Views: 283
    17th December 2018, 12:20 Go to last post
  11. Attaching Aerial to Case

    Started by cosmarchy, 12th December 2018 22:19
    • Replies: 3
    • Views: 396
    14th December 2018, 08:09 Go to last post
  12. Zener diode protection on MCU digital pins

    Started by boylesg, 4th December 2018 23:45
    • Replies: 7
    • Views: 614
    5th December 2018, 16:06 Go to last post
  13. Swapping Tx+ Tx- wires in Ethernet communication

    Started by jimmykk, 4th December 2018 13:48
    • Replies: 4
    • Views: 443
    4th December 2018, 23:09 Go to last post
  14. Wiring RGB LED FAN/strip

    Started by cyberctrl, 29th November 2018 10:33
    • Replies: 3
    • Views: 470
    29th November 2018, 21:32 Go to last post
  15. Should I care about lead-free solder impurities?

    Started by neazoi, 29th November 2018 12:32
    • Replies: 3
    • Views: 347
    29th November 2018, 14:49 Go to last post
  16. [Moved] Do you know sth about Remote LED sensor

    Started by kangyunmei, 23rd November 2018 02:54
    • Replies: 1
    • Views: 473
    23rd November 2018, 04:23 Go to last post
    • Replies: 16
    • Views: 1,200
    21st November 2018, 06:44 Go to last post
  17. Is this circuit a constant current source circuit?

    Started by kangyunmei, 20th November 2018 09:16
    • Replies: 5
    • Views: 531
    21st November 2018, 02:02 Go to last post
  18. role of 1N4007 and reverse current

    Started by kangyunmei, 20th November 2018 09:09
    • Replies: 2
    • Views: 291
    20th November 2018, 11:17 Go to last post
  19. schematic diagram on RS485 MAX13487 chip

    Started by kangyunmei, 20th November 2018 09:02
    • Replies: 1
    • Views: 246
    20th November 2018, 09:44 Go to last post
    • Replies: 7
    • Views: 821
    17th November 2018, 08:02 Go to last post
    • Replies: 18
    • Views: 2,005
    15th November 2018, 09:56 Go to last post
  20. Laoding and Off-Loading Inquiry

    Started by Qasim1991, 14th November 2018 03:59
    • Replies: 3
    • Views: 437
    15th November 2018, 05:35 Go to last post
  21. iR based circuit help needed

    Started by Javid.zare.s, 13th November 2018 13:38
    • Replies: 4
    • Views: 477
    13th November 2018, 22:28 Go to last post
  22. Very low frequency sine wave generation

    Started by doncarlosalbatros, 10th November 2018 22:17
    • Replies: 8
    • Views: 831
    13th November 2018, 11:34 Go to last post
    • Replies: 1
    • Views: 568
    13th November 2018, 09:44 Go to last post
  23. Load Management System

    Started by Qasim1991, 12th November 2018 23:19
    • Replies: 0
    • Views: 235
    12th November 2018, 23:19 Go to last post