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Forum: Elementary Electronic Questions

Want to learn electronics and need a points to start? Need help in your electronics related homeworks? Need a seminar topic? All questions can be asked here.

  1. Sticky Thread Sticky: Resources for some of your basic electronics engineering questions

    Started by EastbayA, 17th April 2018 17:11
    • Replies: 0
    • Views: 4,319
    EastbayA
    17th April 2018, 17:11 Go to last post

  2. Sticky Thread Sticky: Before Post here please read this

    Started by Fragrance, 22nd February 2011 08:38
    • Replies: 0
    • Views: 33,454
    Fragrance
    22nd February 2011, 08:38 Go to last post

  3. Sticky Thread Sticky: READ BEFORE YOU POST - do not post e-books, ieee papers here

    Started by pranam77, 21st August 2009 09:05
    • Replies: 0
    • Views: 31,643
    pranam77
    21st August 2009, 09:05 Go to last post

  1. [SOLVED] Wiring of DC fans in Series

    Started by Xenobius, 15th October 2019 14:04
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 20
    • Views: 588
    BradtheRad
    Yesterday, 02:35 Go to last post

  2. Getting trigger signal for 555 timer from elevator button.

    Started by loloak, 17th October 2019 03:36
    1 Attachment(s)
    • Replies: 7
    • Views: 216
    Aussie Susan
    17th October 2019, 22:58 Go to last post

  3. Mains leaking currents causing problems in my house

    Started by eagle1109, 29th September 2019 13:04
    3 Pages •
    1 2 3
    28 Attachment(s)
    • Replies: 46
    • Views: 2,268
    eagle1109
    17th October 2019, 21:03 Go to last post

  4. Elementary battery question

    Started by JGSchwei, 12th October 2019 18:19
    2 Attachment(s)
    • Replies: 4
    • Views: 263
    betwixt
    17th October 2019, 20:52 Go to last post

  5. [SOLVED] HEI primary current duration

    Started by Zak28, 20th September 2019 15:57
    1 Attachment(s)
    • Replies: 14
    • Views: 1,114
    Easy peasy
    17th October 2019, 09:12 Go to last post

  6. microwave power combiner/divider

    Started by Satellitmph2, 16th September 2019 21:38
    • Replies: 14
    • Views: 776
    stark21
    16th October 2019, 21:50 Go to last post

  7. Zener diode simulation problem using multisim 12.0

    Started by N_R, 14th October 2019 18:50
    2 Attachment(s)
    • Replies: 5
    • Views: 209
    Audioguru
    16th October 2019, 16:29 Go to last post

  8. Holding button for 2s to trigger 555 timer

    Started by eepty, 16th October 2019 01:32
    • Replies: 2
    • Views: 177
    KlausST
    16th October 2019, 06:27 Go to last post

  9. Mosfet equation: Qinv

    Started by lufer17, 15th October 2019 20:26
    • Replies: 0
    • Views: 90
    lufer17
    15th October 2019, 20:26 Go to last post

  10. power supply residual voltage

    Started by curious_mind, 14th October 2019 11:12
    • Replies: 6
    • Views: 214
    curious_mind
    15th October 2019, 12:13 Go to last post

  11. Latched Relay Car Immobilzer

    Started by ic07722, 13th October 2019 21:30
    4 Attachment(s)
    • Replies: 8
    • Views: 364
    ic07722
    15th October 2019, 11:45 Go to last post

  12. Voltage to frequency conversion using VFC32

    Started by Kartikpatel, 10th October 2019 10:16
    2 Attachment(s)
    • Replies: 7
    • Views: 392
    Kartikpatel
    14th October 2019, 11:01 Go to last post

  13. how to change pir sensor coverage angle?

    Started by ravi.2k17, 30th September 2019 14:45
    • Replies: 12
    • Views: 650
    ravi.2k17
    14th October 2019, 08:41 Go to last post

  14. Will the TVS diode protect the DC line from AC power?

    Started by Glebiys, 13th October 2019 08:30
    • Replies: 2
    • Views: 190
    FvM
    13th October 2019, 21:13 Go to last post

  15. Nextion hex to Nextion LCD

    Started by radium98, 1st October 2019 18:43
    1 Attachment(s)
    • Replies: 5
    • Views: 522
    srizbf
    11th October 2019, 16:09 Go to last post

  16. will get antena effect in poly

    Started by saran826, 11th October 2019 06:39
    • Replies: 1
    • Views: 153
    ThisIsNotSam
    11th October 2019, 07:07 Go to last post

  17. Tools to detect AC electric leakage/loss in home electricity

    Started by ravi.2k17, 7th October 2019 11:00
    1 Attachment(s)
    • Replies: 6
    • Views: 701
    BradtheRad
    9th October 2019, 01:49 Go to last post

  18. Why should a solder joint be less than 110degc?

    Started by treez, 5th October 2019 20:58
    • Replies: 3
    • Views: 288
    dick_freebird
    6th October 2019, 06:21 Go to last post

  19. How to find if a simple regulator is oscillating

    Started by tip35, 5th October 2019 08:03
    2 Attachment(s)
    • Replies: 5
    • Views: 302
    asdf44
    5th October 2019, 13:38 Go to last post

  20. No idea what is on this board inside of a temp/humidity unit from store.

    Started by CelluliticDauchsund, 5th October 2019 03:25
    2 Attachment(s)
    • Replies: 5
    • Views: 292
    KlausST
    5th October 2019, 10:18 Go to last post

  21. Does Phase Currents are always RMS

    Started by electronicsman, 5th October 2019 06:14
    1 Attachment(s)
    • Replies: 3
    • Views: 222
    KlausST
    5th October 2019, 10:08 Go to last post

  22. High frequency oscillator circuit with IC TL494 as control circuit and IRFZ46N MOSFET

    Started by mkanas, 2nd October 2019 08:02
    7 Attachment(s)
    • Replies: 8
    • Views: 670
    mkanas
    5th October 2019, 09:04 Go to last post

  23. Natural frequency of second order system

    Started by curious_mind, 3rd October 2019 11:55
    • Replies: 1
    • Views: 221
    pancho_hideboo
    3rd October 2019, 12:14 Go to last post

  24. humbucker preamp - j201 gain is 1:1, why ?

    Started by rompelstilchen, 29th September 2019 10:25
    1 Attachment(s)
    • Replies: 6
    • Views: 383
    geekckts
    1st October 2019, 22:48 Go to last post

  25. Reducing 10K lineat potentiometer to 1K, what about lineatity then?

    Started by neazoi, 29th September 2019 14:35
    1 Attachment(s)
    • Replies: 3
    • Views: 268
    srizbf
    1st October 2019, 15:51 Go to last post

  26. Characterize z state of tristate buffers

    Started by Knowledge.seeker, 1st October 2019 08:56
    • Replies: 2
    • Views: 191
    Knowledge.seeker
    1st October 2019, 10:58 Go to last post

  27. BLDC motor delta winding

    Started by vishjay, 29th September 2019 11:40
    1 Attachment(s)
    • Replies: 11
    • Views: 539
    c_mitra
    30th September 2019, 16:18 Go to last post

  28. Moved: PIR sensor with cylindrical coverage

    Started by ravi.2k17, 1st October 2019 21:29
    •  
    •  

  29. Help me to detect an IC in a circuit

    Started by baby_2, 30th September 2019 13:25
    1 Attachment(s)
    • Replies: 1
    • Views: 145
    std_match
    30th September 2019, 14:24 Go to last post

  30. Fixed point PI Controller

    Started by curious_mind, 29th September 2019 07:52
    • Replies: 4
    • Views: 237
    curious_mind
    29th September 2019, 12:27 Go to last post
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