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Threads 1 to 30 of 11082

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: 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: 25,271
    Rattanee
    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: 27,801
    pranam77
    21st August 2009, 09:14 Go to last post

  1. Motor pump starter connection with two relay to operate manual and auto

    Started by dattlara76, 15th January 2020 12:00
    1 Attachment(s)
    • Replies: 1
    • Views: 180
    dattlara76
    Today, 06:46 Go to last post

  2. very simple and short inverter circuit

    Started by gillani, Yesterday 20:38
    • Replies: 2
    • Views: 89
    Audioguru
    Today, 03:25 Go to last post

  3. Connecting pins to wires

    Started by shivasage, 16th January 2020 04:41
    • Replies: 4
    • Views: 250
    shivasage
    16th January 2020, 18:42 Go to last post

  4. [SOLVED] Need very basic R-C "delay off" circuit

    Started by areddon, 14th January 2020 06:42
    2 Attachment(s)
    • Replies: 7
    • Views: 364
    Easy peasy
    15th January 2020, 05:26 Go to last post

  5. Bootstrapping board for programming the ESP32

    Started by DihydrogenMonoxide, 12th January 2020 00:05
    1 Attachment(s)
    • Replies: 6
    • Views: 390
    betwixt
    14th January 2020, 23:40 Go to last post

  6. [SOLVED] Trouble with frying 74LS11N AND Gate

    Started by areddon, 13th January 2020 00:19
    1 Attachment(s)
    • Replies: 7
    • Views: 375
    areddon
    14th January 2020, 05:04 Go to last post

  7. How to design a DC block circuit

    Started by Sattek, 10th January 2020 03:53
    • Replies: 6
    • Views: 412
    KlausST
    10th January 2020, 21:46 Go to last post

  8. SHUNT resistances value

    Started by tnnedaboard, 8th January 2020 11:13
    2 Attachment(s)
    • Replies: 4
    • Views: 379
    tnnedaboard
    9th January 2020, 08:44 Go to last post

  9. High Voltage Resistor divider

    Started by a.singh123, 6th January 2020 22:23
    1 Attachment(s)
    • Replies: 5
    • Views: 405
    KlausST
    8th January 2020, 21:56 Go to last post

  10. Inflatable Hard Drive - transferal of data between three devices via USB

    Started by wizman, 3rd January 2020 14:58
    4 Attachment(s)
    • Replies: 10
    • Views: 763
    c_mitra
    5th January 2020, 15:15 Go to last post

  11. Directivity of Radar Sensor HFS-DC06H

    Started by emaq, 3rd January 2020 09:04
    2 Attachment(s)
    • Replies: 0
    • Views: 207
    emaq
    3rd January 2020, 09:04 Go to last post

  12. ESP32 DevKitC schematic questions

    Started by DihydrogenMonoxide, 31st December 2019 04:13
    1 Attachment(s)
    • Replies: 5
    • Views: 463
    KlausST
    1st January 2020, 00:47 Go to last post

  13. Infrared led circuit board (noob)

    Started by Will_infrared, 27th December 2019 13:21
    3 Attachment(s)
    • Replies: 1
    • Views: 341
    FvM
    27th December 2019, 14:14 Go to last post

  14. Short Circuit protection Using Relay

    Started by rmrps, 26th December 2019 09:24
    1 Attachment(s)
    • Replies: 2
    • Views: 340
    gauravkothari23
    26th December 2019, 19:39 Go to last post

  15. Rectifier diodes with bypass cap´s & gounding speaker basket´s

    Started by mikaelmark, 16th November 2019 12:31
    2 Pages •
    1 2
    5 Attachment(s)
    • Replies: 35
    • Views: 2,971
    betwixt
    22nd December 2019, 20:30 Go to last post

  16. Resonant Converter Simulation Problem

    Started by fethiyeli, 20th November 2019 08:17
    3 Attachment(s)
    • Replies: 13
    • Views: 2,289
    fethiyeli
    17th December 2019, 19:08 Go to last post

  17. Help to to build the perfect bluetooth talking device

    Started by mariah1902, 17th December 2019 09:20
    • Replies: 1
    • Views: 305
    KlausST
    17th December 2019, 12:18 Go to last post

  18. [SOLVED] Transformers on a PCB

    Started by inklen, 13th December 2019 11:24
    3 Attachment(s)
    • Replies: 10
    • Views: 973
    inklen
    14th December 2019, 13:20 Go to last post

  19. Is there any tips for designing a differentail Amplifer?

    Started by neil88787, 13th December 2019 04:27
    • Replies: 2
    • Views: 376
    BradtheRad
    13th December 2019, 05:19 Go to last post

  20. MOC3020/BTA41 circuit problem

    Started by abuhafss, 10th December 2019 16:26
    5 Attachment(s)
    • Replies: 10
    • Views: 865
    betwixt
    11th December 2019, 10:12 Go to last post

  21. Connect MQ135 Gas Sensor to Raspberry Pi 3B+

    Started by cloner, 5th December 2019 14:52
    1 Attachment(s)
    • Replies: 7
    • Views: 763
    andre_teprom
    9th December 2019, 13:38 Go to last post

  22. Charging Voltage for a 1.2V NiMH Battery

    Started by littlerock, 4th December 2019 10:47
    1 Attachment(s)
    • Replies: 11
    • Views: 1,025
    ZASto
    7th December 2019, 09:36 Go to last post

  23. Arduino based irrigation controller misbheaving at a particular site.

    Started by boylesg, 4th December 2019 12:05
    2 Attachment(s)
    • Replies: 7
    • Views: 677
    boylesg
    6th December 2019, 01:32 Go to last post

  24. How to create a voltage selector circuit

    Started by kmesne, 4th December 2019 23:16
    2 Attachment(s)
    • Replies: 6
    • Views: 629
    FvM
    5th December 2019, 11:15 Go to last post

  25. how to determine the resistance of a running circuit

    Started by farzadlatifeh, 4th December 2019 14:00
    • Replies: 5
    • Views: 552
    Cornell_Bill
    5th December 2019, 07:14 Go to last post

  26. LM5642 buck converter not work

    Started by SILVESTROS9, 1st December 2019 23:33
    4 Attachment(s)
    • Replies: 7
    • Views: 772
    BradtheRad
    5th December 2019, 05:37 Go to last post

  27. VU Meter only with 1LED (PWM) no IC except for OPAMP

    Started by kmesne, 2nd December 2019 14:41
    • Replies: 6
    • Views: 541
    betwixt
    4th December 2019, 16:29 Go to last post

  28. Old Altera FPGA EPM7128

    Started by clros, 3rd December 2019 21:28
    • Replies: 5
    • Views: 582
    spudboy488
    4th December 2019, 13:29 Go to last post

  29. LCD and DFplayer working simultaneously

    Started by muphy, 27th November 2019 13:18
    • Replies: 3
    • Views: 500
    shubham kumar
    3rd December 2019, 02:08 Go to last post

  30. Automotive toggle switch on PCB solutions?

    Started by Nabors, 30th November 2019 01:04
    • Replies: 1
    • Views: 393
    BradtheRad
    30th November 2019, 08:01 Go to last post
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