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Threads 1 to 30 of 11065

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: Read this before posting.

    Started by pranam77, 21st August 2009 09:14
    • Replies: 0
    • Views: 25,746
    21st August 2009, 09:14 Go to last post
  1. MOC3020/BTA41 circuit problem

    Started by abuhafss, 10th December 2019 16:26
    • Replies: 10
    • Views: 318
    Yesterday, 10:12 Go to last post
  2. Connect MQ135 Gas Sensor to Raspberry Pi 3B+

    Started by cloner, 5th December 2019 14:52
    • Replies: 7
    • Views: 370
    9th December 2019, 13:38 Go to last post
  3. Rectifier diodes with bypass capīs & gounding speaker basketīs

    Started by mikaelmark, 16th November 2019 12:31
    2 Pages
    1 2
    • Replies: 33
    • Views: 1,356
    8th December 2019, 18:03 Go to last post
  4. Charging Voltage for a 1.2V NiMH Battery

    Started by littlerock, 4th December 2019 10:47
    • Replies: 11
    • Views: 523
    7th December 2019, 09:36 Go to last post
    • Replies: 7
    • Views: 365
    6th December 2019, 01:32 Go to last post
  5. How to create a voltage selector circuit

    Started by kmesne, 4th December 2019 23:16
    • Replies: 6
    • Views: 325
    5th December 2019, 11:15 Go to last post
    • Replies: 5
    • Views: 294
    5th December 2019, 07:14 Go to last post
  6. LM5642 buck converter not work

    Started by SILVESTROS9, 1st December 2019 23:33
    • Replies: 7
    • Views: 446
    5th December 2019, 05:37 Go to last post
  7. VU Meter only with 1LED (PWM) no IC except for OPAMP

    Started by kmesne, 2nd December 2019 14:41
    • Replies: 6
    • Views: 288
    4th December 2019, 16:29 Go to last post
  8. Old Altera FPGA EPM7128

    Started by clros, 3rd December 2019 21:28
    • Replies: 5
    • Views: 293
    4th December 2019, 13:29 Go to last post
  9. LCD and DFplayer working simultaneously

    Started by muphy, 27th November 2019 13:18
    • Replies: 3
    • Views: 311
    3rd December 2019, 02:08 Go to last post
  10. Automotive toggle switch on PCB solutions?

    Started by Nabors, 30th November 2019 01:04
    • Replies: 1
    • Views: 241
    30th November 2019, 08:01 Go to last post
  11. Resonant Converter Simulation Problem

    Started by fethiyeli, 20th November 2019 08:17
    • Replies: 7
    • Views: 585
    27th November 2019, 11:26 Go to last post
  12. DRV8874 OrCAD PSpice Simulation Help

    Started by bawdog, 24th November 2019 00:05
    • Replies: 7
    • Views: 562
    25th November 2019, 08:09 Go to last post
  13. Need circuit of Charger sans-fill

    Started by Soltane, 24th November 2019 22:58
    • Replies: 1
    • Views: 281
    25th November 2019, 07:19 Go to last post
  14. Switch +/- 15v supply for audio preamp

    Started by benbiles, 19th November 2019 06:06
    • Replies: 6
    • Views: 492
    20th November 2019, 09:14 Go to last post
  15. [moved] Video transmitter for TV

    Started by bodzio_stawski, 12th November 2019 19:11
    • Replies: 3
    • Views: 327
    20th November 2019, 07:52 Go to last post
  16. Solar Monitor Box PCB fix

    Started by Aussie_Brewster, 14th November 2019 08:42
    • Replies: 1
    • Views: 253
    14th November 2019, 10:02 Go to last post
  17. Suggestions for Intercom Gateway

    Started by victorjohn9211, 14th November 2019 05:57
    • Replies: 0
    • Views: 158
    14th November 2019, 05:57 Go to last post
  18. Heating a cuvette which is placed in a box.

    Started by Prem Arjun, 13th November 2019 17:47
    • Replies: 1
    • Views: 205
    13th November 2019, 18:04 Go to last post
  19. Help to build my auto disconnecting circuit.

    Started by mariah1902, 10th November 2019 18:33
    • Replies: 10
    • Views: 683
    12th November 2019, 10:26 Go to last post
  20. Advice please making PCBs using Press n Peel film

    Started by ljcox, 5th November 2019 04:13
    • Replies: 6
    • Views: 662
    10th November 2019, 21:34 Go to last post
  21. Symmetric Source + 10V and -10V - help me !!

    Started by enfotec, 6th November 2019 01:15
    • Replies: 4
    • Views: 571
    8th November 2019, 07:19 Go to last post
  22. Small Project archery aiming assist

    Started by dalep, 6th November 2019 17:59
    • Replies: 3
    • Views: 409
    7th November 2019, 22:08 Go to last post
  23. Automatic light control circuit (On-Off)

    Started by sareehy, 30th October 2019 18:48
    • Replies: 11
    • Views: 934
    6th November 2019, 21:00 Go to last post
  24. [SOLVED] Protect FPGA Pin from negative voltage

    Started by clros, 1st November 2019 11:37
    • Replies: 18
    • Views: 866
    5th November 2019, 08:50 Go to last post
    • Replies: 2
    • Views: 349
    4th November 2019, 01:59 Go to last post
  25. PCB Christmas tree Ornaments

    Started by hobbyProgrammer, 29th October 2019 16:40
    • Replies: 1
    • Views: 369
    29th October 2019, 17:08 Go to last post
  26. PC based Oscilloscopes

    Started by electronicsman, 30th June 2019 12:31
    • Replies: 11
    • Views: 1,184
    29th October 2019, 13:47 Go to last post
    • Replies: 3
    • Views: 343
    28th October 2019, 22:48 Go to last post