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Threads 1 to 30 of 10519

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: 702
    22nd November 2016, 22:02 Go to last post
  2. Sticky Thread Sticky: Featured Reference Designs

    Started by mmatheson, 2nd September 2016 00:36
    • Replies: 0
    • Views: 1,261
    2nd September 2016, 00:36 Go to last post
    • Replies: 4
    • Views: 11,659
    2nd August 2014, 20:26 Go to last post
  3. Sticky Thread Sticky: Read this before posting.

    Started by pranam77, 21st August 2009 10:14
    • Replies: 0
    • Views: 17,302
    21st August 2009, 10:14 Go to last post
  1. two Li-ion 3.7V series charger from USB

    Started by Adiz, 20th January 2017 14:02
    • Replies: 3
    • Views: 180
    Yesterday, 01:52 Go to last post
  2. RV AC/DC converter overcharging issue

    Started by Corliss, 20th January 2017 17:30
    • Replies: 0
    • Views: 163
    20th January 2017, 17:30 Go to last post
  3. Easy method to measure power output to handpiece?

    Started by kiaora73, 16th January 2017 17:37
    • Replies: 3
    • Views: 244
    19th January 2017, 21:00 Go to last post
  4. quadcopter not working ?

    Started by paul12, 17th January 2017 19:42
    • Replies: 9
    • Views: 289
    19th January 2017, 20:42 Go to last post
  5. Audio amplifier distorted output

    Started by Herni, 18th January 2017 02:29
    • Replies: 6
    • Views: 237
    19th January 2017, 00:57 Go to last post
  6. 2's complement with JK and Multiplexer

    Started by Claudinho18, 15th January 2017 14:34
    • Replies: 2
    • Views: 168
    18th January 2017, 00:58 Go to last post
    • Replies: 0
    • Views: 132
    16th January 2017, 13:46 Go to last post
  7. How to protect N P Mosfets from frying

    Started by asad111, 14th January 2017 11:28
    • Replies: 7
    • Views: 265
    15th January 2017, 16:05 Go to last post
  8. bleed resistor formula needed

    Started by satiz, 26th December 2016 13:43
    2 Pages
    1 2
    • Replies: 21
    • Views: 571
    14th January 2017, 22:09 Go to last post
  9. Help with components (pump motor turn on & off)

    Started by surfermarkuk, 10th January 2017 18:48
    • Replies: 8
    • Views: 323
    14th January 2017, 10:02 Go to last post
  10. MOV selection guidance needed

    Started by satiz, 12th January 2017 12:39
    • Replies: 1
    • Views: 245
    12th January 2017, 22:08 Go to last post
  11. SMPS input capacitor calculation

    Started by satiz, 11th January 2017 14:40
    • Replies: 2
    • Views: 214
    11th January 2017, 23:50 Go to last post
  12. Closed loop for accurate voltage measurement

    Started by Sandyholmarc, 5th January 2017 05:52
    • Replies: 5
    • Views: 277
    FvM
    11th January 2017, 09:17 Go to last post
    • Replies: 2
    • Views: 249
    8th January 2017, 02:12 Go to last post
  13. 2 stage Amplifier CC-CE

    Started by Amondesire, 18th December 2016 18:48
    • Replies: 11
    • Views: 450
    7th January 2017, 15:16 Go to last post
  14. Homemade 555 Tachometer

    Started by Kris01, 6th January 2017 03:20
    • Replies: 1
    • Views: 242
    7th January 2017, 06:47 Go to last post
  15. Moved: 2 stage Amplifier CC-CE

    Started by Amondesire, 7th January 2017 01:51
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  16. Finding oven fuse and removing the internal speaker

    Started by no_spark, 6th January 2017 04:43
    • Replies: 11
    • Views: 329
    6th January 2017, 21:43 Go to last post
  17. How to sense the color of an Object?

    Started by xpress_embedo, 26th November 2016 05:28
    • Replies: 17
    • Views: 571
    6th January 2017, 09:04 Go to last post
  18. [SOLVED] Looking for work-around to delay open circuit detector on power-up

    Started by d123, 4th January 2017 17:02
    • Replies: 5
    • Views: 297
    5th January 2017, 21:22 Go to last post
  19. LED doesn't turn Off

    Started by Blisk, 5th January 2017 09:08
    • Replies: 5
    • Views: 265
    5th January 2017, 17:01 Go to last post
  20. TNY280PN SMPS circuit design tutorial needed

    Started by satiz, 27th December 2016 15:04
    • Replies: 5
    • Views: 329
    2nd January 2017, 11:51 Go to last post
  21. 7805regulator Capacitors

    Started by manumj4, 31st December 2016 06:50
    • Replies: 4
    • Views: 273
    31st December 2016, 17:12 Go to last post
  22. Level selctive attenuator

    Started by tomerbr, 28th December 2016 18:24
    • Replies: 5
    • Views: 283
    FvM
    29th December 2016, 12:30 Go to last post
  23. Piezo scheme, heating transistor

    Started by Adiz, 9th December 2016 16:20
    • Replies: 14
    • Views: 430
    29th December 2016, 09:21 Go to last post
    • Replies: 0
    • Views: 234
    28th December 2016, 17:34 Go to last post
  24. Looing for Hudl 2 HDMI Port

    Started by johntec, 28th December 2016 14:32
    • Replies: 0
    • Views: 170
    28th December 2016, 14:32 Go to last post
  25. RC Car Toy Modification Help !!!

    Started by battery.13v, 24th December 2016 09:20
    • Replies: 4
    • Views: 375
    27th December 2016, 03:29 Go to last post
  26. temp sensor using diode

    Started by RenesasT, 26th December 2016 13:15
    • Replies: 3
    • Views: 308
    26th December 2016, 17:01 Go to last post
  27. Monostable Pulse problem 556 timer

    Started by maanas, 24th December 2016 11:33
    • Replies: 3
    • Views: 287
    26th December 2016, 16:04 Go to last post

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