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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: 4,245
    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: 33,382
    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: 31,572
    pranam77
    21st August 2009, 09:05 Go to last post

  1. power supply residual voltage

    Started by curious_mind, Today 11:12
    • Replies: 5
    • Views: 88
    KlausST
    Today, 17:13 Go to last post

  2. Latched Relay Car Immobilzer

    Started by ic07722, Yesterday 21:30
    3 Attachment(s)
    • Replies: 4
    • Views: 175
    ic07722
    Today, 14:29 Go to last post

  3. Voltage to frequency conversion using VFC32

    Started by Kartikpatel, 10th October 2019 10:16
    2 Attachment(s)
    • Replies: 7
    • Views: 326
    Kartikpatel
    Today, 11:01 Go to last post

  4. how to change pir sensor coverage angle?

    Started by ravi.2k17, 30th September 2019 14:45
    • Replies: 12
    • Views: 542
    ravi.2k17
    Today, 08:41 Go to last post

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

    Started by Glebiys, Yesterday 08:30
    • Replies: 2
    • Views: 148
    FvM
    Yesterday, 21:13 Go to last post

  6. Elementary battery question

    Started by JGSchwei, 12th October 2019 18:19
    2 Attachment(s)
    • Replies: 2
    • Views: 169
    std_match
    12th October 2019, 21:03 Go to last post

  7. Mains leaking currents causing problems in my house

    Started by eagle1109, 29th September 2019 13:04
    2 Pages •
    1 2
    23 Attachment(s)
    • Replies: 36
    • Views: 1,698
    betwixt
    12th October 2019, 19:32 Go to last post

  8. Nextion hex to Nextion LCD

    Started by radium98, 1st October 2019 18:43
    1 Attachment(s)
    • Replies: 5
    • Views: 489
    srizbf
    11th October 2019, 16:09 Go to last post

  9. will get antena effect in poly

    Started by saran826, 11th October 2019 06:39
    • Replies: 1
    • Views: 133
    ThisIsNotSam
    11th October 2019, 07:07 Go to last post

  10. 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: 642
    BradtheRad
    9th October 2019, 01:49 Go to last post

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

    Started by treez, 5th October 2019 20:58
    • Replies: 3
    • Views: 259
    dick_freebird
    6th October 2019, 06:21 Go to last post

  12. How to find if a simple regulator is oscillating

    Started by tip35, 5th October 2019 08:03
    2 Attachment(s)
    • Replies: 5
    • Views: 276
    asdf44
    5th October 2019, 13:38 Go to last post

  13. 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: 263
    KlausST
    5th October 2019, 10:18 Go to last post

  14. Does Phase Currents are always RMS

    Started by electronicsman, 5th October 2019 06:14
    1 Attachment(s)
    • Replies: 3
    • Views: 199
    KlausST
    5th October 2019, 10:08 Go to last post

  15. 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: 627
    mkanas
    5th October 2019, 09:04 Go to last post

  16. HEI primary current duration

    Started by Zak28, 20th September 2019 15:57
    1 Attachment(s)
    • Replies: 13
    • Views: 996
    Easy peasy
    5th October 2019, 01:19 Go to last post

  17. Natural frequency of second order system

    Started by curious_mind, 3rd October 2019 11:55
    • Replies: 1
    • Views: 188
    pancho_hideboo
    3rd October 2019, 12:14 Go to last post

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

    Started by rompelstilchen, 29th September 2019 10:25
    1 Attachment(s)
    • Replies: 6
    • Views: 359
    geekckts
    1st October 2019, 22:48 Go to last post

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

    Started by neazoi, 29th September 2019 14:35
    1 Attachment(s)
    • Replies: 3
    • Views: 244
    srizbf
    1st October 2019, 15:51 Go to last post

  20. Characterize z state of tristate buffers

    Started by Knowledge.seeker, 1st October 2019 08:56
    • Replies: 2
    • Views: 176
    Knowledge.seeker
    1st October 2019, 10:58 Go to last post

  21. BLDC motor delta winding

    Started by vishjay, 29th September 2019 11:40
    1 Attachment(s)
    • Replies: 11
    • Views: 484
    c_mitra
    30th September 2019, 16:18 Go to last post

  22. Moved: PIR sensor with cylindrical coverage

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

  23. Help me to detect an IC in a circuit

    Started by baby_2, 30th September 2019 13:25
    1 Attachment(s)
    • Replies: 1
    • Views: 129
    std_match
    30th September 2019, 14:24 Go to last post

  24. Fixed point PI Controller

    Started by curious_mind, 29th September 2019 07:52
    • Replies: 4
    • Views: 218
    curious_mind
    29th September 2019, 12:27 Go to last post

  25. Heat sink calculations

    Started by ljcox, 29th September 2019 05:54
    • Replies: 3
    • Views: 221
    KlausST
    29th September 2019, 09:08 Go to last post

  26. Why would a scope suddenly give noisy traces when it never used to?

    Started by treez, 27th September 2019 20:01
    • Replies: 6
    • Views: 366
    malli_1729
    28th September 2019, 17:57 Go to last post

  27. Single conductor inside hollow conductor

    Started by Kajunbee, 7th August 2019 20:52
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 39
    • Views: 2,766
    c_mitra
    23rd September 2019, 13:15 Go to last post

  28. Current rating of Thermostat

    Started by robvan5, 21st September 2019 08:30
    • Replies: 3
    • Views: 250
    Kajunbee
    21st September 2019, 20:11 Go to last post

  29. Runtime of clock using alkaline D cells instead of AA batteries

    Started by fixit7, 20th September 2019 21:12
    1 Attachment(s)
    • Replies: 11
    • Views: 566
    fixit7
    21st September 2019, 20:09 Go to last post

  30. CRO measurements whether to ground or not and when to ground

    Started by vishjay, 21st September 2019 15:58
    • Replies: 1
    • Views: 210
    BradtheRad
    21st September 2019, 19:59 Go to last post
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