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Threads 1 to 30 of 11090

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: 25,654
    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: 28,096
    pranam77
    21st August 2009, 09:14 Go to last post

  1. Converting a 433mhz transmitter to 315mhz

    Started by waldvogelmj, Today 00:50
    1 Attachment(s)
    • Replies: 0
    • Views: 101
    waldvogelmj
    Today, 00:50 Go to last post

  2. Rectifier diodes with bypass capīs & gounding speaker basketīs

    Started by mikaelmark, 16th November 2019 12:31
    3 Pages •
    1 2 3
    7 Attachment(s)
    • Replies: 42
    • Views: 3,836
    Easy peasy
    Yesterday, 21:59 Go to last post

  3. Old capacitor needs replacing not sure what to replace with.

    Started by crysotyle, 9th February 2020 18:52
    3 Attachment(s)
    • Replies: 15
    • Views: 1,139
    FvM
    11th February 2020, 23:44 Go to last post

  4. load sensing circuit/relay

    Started by Wdnbob, 19th January 2020 19:05
    3 Attachment(s)
    • Replies: 10
    • Views: 1,089
    Wdnbob
    6th February 2020, 13:27 Go to last post

  5. how to measure the current consumption by dc motor

    Started by arunmosespaul, 4th February 2020 03:01
    1 Attachment(s)
    • Replies: 2
    • Views: 398
    Audioguru
    4th February 2020, 16:17 Go to last post

  6. Need help in using Arduino or Raspberry pi

    Started by mrshell, 1st February 2020 11:15
    • Replies: 3
    • Views: 433
    KlausST
    1st February 2020, 16:19 Go to last post

  7. I have some beginner-level questions about this ESP-WROOM-32 schematic.

    Started by seanmchugh513, 25th January 2020 18:58
    1 Attachment(s)
    • Replies: 3
    • Views: 593
    KlausST
    29th January 2020, 09:06 Go to last post

  8. very simple and short inverter circuit

    Started by gillani, 17th January 2020 20:38
    1 Attachment(s)
    • Replies: 3
    • Views: 520
    Audioguru
    26th January 2020, 23:26 Go to last post

  9. Looking for mini linear motor

    Started by BoopathiS, 25th January 2020 09:11
    • Replies: 1
    • Views: 373
    wwfeldman
    25th January 2020, 22:13 Go to last post

  10. Maestro GPS module A2235-H UART data halted after 135 seconds ??

    Started by JuhaH, 23rd January 2020 08:56
    • Replies: 1
    • Views: 384
    JuhaH
    24th January 2020, 08:37 Go to last post

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

    Started by dattlara76, 15th January 2020 12:00
    1 Attachment(s)
    • Replies: 9
    • Views: 881
    dattlara76
    20th January 2020, 18:31 Go to last post

  12. [SOLVED] Inflatable Hard Drive - transferal of data between three devices via USB

    Started by wizman, 3rd January 2020 14:58
    4 Attachment(s)
    • Replies: 11
    • Views: 1,261
    wizman
    20th January 2020, 14:38 Go to last post

  13. Connecting pins to wires

    Started by shivasage, 16th January 2020 04:41
    • Replies: 4
    • Views: 555
    shivasage
    16th January 2020, 18:42 Go to last post

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

    Started by areddon, 14th January 2020 06:42
    2 Attachment(s)
    • Replies: 7
    • Views: 764
    Easy peasy
    15th January 2020, 05:26 Go to last post

  15. Bootstrapping board for programming the ESP32

    Started by DihydrogenMonoxide, 12th January 2020 00:05
    1 Attachment(s)
    • Replies: 6
    • Views: 672
    betwixt
    14th January 2020, 23:40 Go to last post

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

    Started by areddon, 13th January 2020 00:19
    1 Attachment(s)
    • Replies: 7
    • Views: 740
    areddon
    14th January 2020, 05:04 Go to last post

  17. How to design a DC block circuit

    Started by Sattek, 10th January 2020 03:53
    • Replies: 6
    • Views: 705
    KlausST
    10th January 2020, 21:46 Go to last post

  18. SHUNT resistances value

    Started by tnnedaboard, 8th January 2020 11:13
    2 Attachment(s)
    • Replies: 4
    • Views: 605
    tnnedaboard
    9th January 2020, 08:44 Go to last post

  19. High Voltage Resistor divider

    Started by a.singh123, 6th January 2020 22:23
    1 Attachment(s)
    • Replies: 5
    • Views: 632
    KlausST
    8th January 2020, 21:56 Go to last post

  20. Directivity of Radar Sensor HFS-DC06H

    Started by emaq, 3rd January 2020 09:04
    2 Attachment(s)
    • Replies: 0
    • Views: 358
    emaq
    3rd January 2020, 09:04 Go to last post

  21. ESP32 DevKitC schematic questions

    Started by DihydrogenMonoxide, 31st December 2019 04:13
    1 Attachment(s)
    • Replies: 5
    • Views: 724
    KlausST
    1st January 2020, 00:47 Go to last post

  22. Infrared led circuit board (noob)

    Started by Will_infrared, 27th December 2019 13:21
    3 Attachment(s)
    • Replies: 1
    • Views: 496
    FvM
    27th December 2019, 14:14 Go to last post

  23. Short Circuit protection Using Relay

    Started by rmrps, 26th December 2019 09:24
    1 Attachment(s)
    • Replies: 2
    • Views: 488
    gauravkothari23
    26th December 2019, 19:39 Go to last post

  24. Resonant Converter Simulation Problem

    Started by fethiyeli, 20th November 2019 08:17
    3 Attachment(s)
    • Replies: 13
    • Views: 2,696
    fethiyeli
    17th December 2019, 19:08 Go to last post

  25. Help to to build the perfect bluetooth talking device

    Started by mariah1902, 17th December 2019 09:20
    • Replies: 1
    • Views: 418
    KlausST
    17th December 2019, 12:18 Go to last post

  26. [SOLVED] Transformers on a PCB

    Started by inklen, 13th December 2019 11:24
    3 Attachment(s)
    • Replies: 10
    • Views: 1,276
    inklen
    14th December 2019, 13:20 Go to last post

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

    Started by neil88787, 13th December 2019 04:27
    • Replies: 2
    • Views: 509
    BradtheRad
    13th December 2019, 05:19 Go to last post

  28. MOC3020/BTA41 circuit problem

    Started by abuhafss, 10th December 2019 16:26
    5 Attachment(s)
    • Replies: 10
    • Views: 1,192
    betwixt
    11th December 2019, 10:12 Go to last post

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

    Started by cloner, 5th December 2019 14:52
    1 Attachment(s)
    • Replies: 7
    • Views: 1,041
    andre_teprom
    9th December 2019, 13:38 Go to last post

  30. Charging Voltage for a 1.2V NiMH Battery

    Started by littlerock, 4th December 2019 10:47
    1 Attachment(s)
    • Replies: 11
    • Views: 1,308
    ZASto
    7th December 2019, 09:36 Go to last post
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