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Forum: Åëåêòðîííè êîìïîíåíòè, óñòðîéñòâà è ñõåìîòåõíèêà

DIY - ìàëêè ìíîãîêðàêè äæâú÷êè è íåùàòà, âúðõó êîèòî ñå "ëåïÿò"

  1. Sticky Thread Sticky: Óêàçàòåë êúì ïîëåçíè òåìè îò ðàçäåëà

    Èçðàáîòêà íà ÷àñîâíèê ñ ðåòðî ãàçîðàçðÿäíè èíäèêàòîðè (Nixie clock)? Êàê äà ñè íàïðàâèì ãàéãåðîâ áðîÿ÷ (Geiger counter)? Èçáîð íà äîáúð ìóëòèöåò?...

    Started by rager‎, 19th May 2017 01:05
    • Replies: 0
    • Views: 16,342
    19th May 2017, 01:05 Go to last post
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  1. LED Äðàéââåð çà çàõðàíâàíå íà ìîþíè äèîäè ïî 3W ÍÎ ðàçëè÷íè öâåòîâå

    Çäðàâåéòå èíòåðåñóâà ìå äàëè ìîãà è êàêâè ñà ïðåäèìñòâàòà/íåäîñòàòúöèòå àêî çàõðàíÿ 6 áåëè, 4 ÷åðâåíè è 2 ñèíè äèîäà Cree XPE-2 ïî 3W âñåêè îò åäèí...

    Started by bishkot‎, 18th December 2015 10:44
    • Replies: 8
    • Views: 1,070
    18th December 2015, 20:48 Go to last post
  2. Òðàíñôîðìåð

    Çäðàâåéòå Èñêàì äà ïîïèòàì êúäå ìîãà äà íàìåðÿ ñúùèÿ òðàíñôîðìåð, íî äà ðàáîòè íà 220v. Áëàãîäàðÿ

    Started by duvka_turbo‎, 11th December 2015 10:43
    • Replies: 11
    • Views: 1,277
    23rd December 2015, 07:35 Go to last post
  3. Êèòàéñêî Àíäðîèä ðàäèî - òúðñÿ ìàéñòîð

    Çäðàâåéòå! Èìàì åäíî òàêîâà óñòðîéñòâî - 1 DIN 7' Inch Pure Android Car DVD Player Íàïîñëåäúê âçå äà ìè ïðàâè ïðîáëåìè, íå ñâåòâà äèñïëåÿ ïðè...

    Started by Áåë÷åâ‎, 29th January 2016 20:19
    • Replies: 0
    • Views: 524
    29th January 2016, 20:19 Go to last post
  4. Îòíîñíî Íåïîçíàò êîíåêòîð - ÏÎÌÎÙ!!!

    Çäðàâåéòå, åäèí êîëåãà ñè å êóïèë êèòàéñêè ïëåéúð÷åòà çà êîëà (îò òåçè, êîèòî ñå çàõâàùàò íà ïîäãëàâíèöèòå çàäíèòå ñåäàëêè), îêàçâà ñå îáà÷å ÷å íå ñà...

    Started by K3v1n‎, 1st March 2016 16:25
    • Replies: 4
    • Views: 617
    1st March 2016, 21:38 Go to last post
  5. òúðñÿ ÿðêè íàñî÷åíè ñâåòîäèîäè

    Òðÿáâàò ìè ÿðêè íàñî÷åíè åäèíè÷íè äèîäè. 100áð. öåëòà ìè å åôåêòà íà ñíèìêèòå êîèòî ñúì ïðèêà÷èë. Äèîäà ùå å â îñíîâàòà íà êðèñòàëà è ñâåòëèíàòà ñå...

    Started by worm4‎, 25th November 2010 12:05
    • Replies: 14
    • Views: 5,190
    6th March 2016, 22:18 Go to last post
  6. êàê äà ïðèç÷èñëÿ ñõåìà çà ïðîìÿíÿ íà çàõðàíâàíåòî?

    Çäðàâåéòå íà âñè÷êè. Òàçè ñõåìà ðåàãèðà è íà íàé-ñëàáèÿ øóì/çâóê/ãîâîð ÷ðåç ïðîïîðöèîíàëíî ïðîñâåòâàíå íà ñâåòîäèîäèòå. Èíòåðåñóâà ìå êàê òðÿáâà...

    Started by plagedi‎, 10th March 2016 03:16
    • Replies: 9
    • Views: 1,346
    10th March 2016, 13:40 Go to last post
  7. Çàõðàíâàùè êàáåëè ìîù?

    Èñêàì äà çàõðàíÿ óñèëâàòåë îò êîëà ñúñ åäíà áîáèíà, êîÿòî âçåõ îò ñòåðåî óðåäáà, êîÿòî èìà è çàõðàíâàíå è óñèëâàòåë â 1, êîÿòî ïîäêàðâàøå êîëîíàòà...

    Started by martin9807‎, 7th April 2016 20:22
    • Replies: 8
    • Views: 1,067
    12th April 2016, 09:28 Go to last post
  8. Ïðîáëåì ñ îñöèëîñêîï Ñ1-131

    ÊÎËÅÃÈ, èìàì åäíà ìîëáà êúì îíåçè, êîèòî ðàáîòÿò ñ îñöèëîñêîïè! Ñòàâà äóìà çà ñòàðèÿ òèï ïðèáîðè ñ âàêóóìíà ÅËÒ.  êîíêðåòíèÿ ñëó÷àé - ñúâåòñêè...

    Started by valentus‎, 10th April 2016 21:21
    • Replies: 9
    • Views: 1,378
    18th April 2016, 20:05 Go to last post
  9. Ïîìîù: áúëãàðñêîòî íàçâàíèå íà desoldering braid (solder wick)

    Çäðàâåéòå êîëåãè: Ìîëÿ íÿêîé äà ìè êàæå êàê å îáùîïðèåòîòî áúëãàðñêî íàçâàíèå íà de-soldering braid (also known as solder wick) - òîâà å ìåäåí...

    Started by assenort‎, 22nd April 2016 17:06
    • Replies: 7
    • Views: 2,766
    23rd April 2016, 13:58 Go to last post
  10. Ñâåòîäèîäè - èç÷èñëÿâàíå íà ñúïðîòèâëåíèå?

    Íàìåðèõ ñè 4 áîðÿ ñâåòîäèîäè îò ñâåòåùèòå çàïàëêè. Ìíîãî ñà ãîòèíè îáà÷å èçíèíêíà íåî÷àêâàí ïðîáëåì. Àç ñè ìèñëåõ, ÷å ñà íà 3 âîëòà, à òî ñå îêàçà ÷å...

    Started by Virtual^Boy‎, 26th December 2005 18:22
    • Replies: 390
    • Views: 127,780
    6th May 2016, 11:49 Go to last post
  11. Åëåêòðîííî ðåëå

    Çäðàâåéòå, Èñêàì äà çàìåñòÿ ìåõàíè÷íî ðåëå ñ íîðìàëíî ÇÀÒÂÎÐÅÍ êîíòàêò, ñúñ ñõåìà, èëè íåùî êîåòî áè âúðøèëî ñúùàòà ðàáîòà. Èäåÿòà ìè å äà...

    Started by Monster117‎, 5th June 2016 20:34
    • Replies: 6
    • Views: 1,354
    6th June 2016, 23:58 Go to last post
  12. Smile Êàê äà ñè íàïðàâÿ ôåíåð ?

    Çäðàâåéòå êîëåãè!Âúïðîñúò ìè å êàê ìîãà äà ñúòâîðÿ ôåíåð÷å ñúñ ÷àñòè îò ìàãàçèíà? ãëàâàòà ìè ñå âúðòè íåùî êàòî ùî ãîäå ìîùåí ôåíåð çà êàêâèòî è äà...

    Started by NormalnoLud‎, 11th June 2016 11:35
    • Replies: 21
    • Views: 3,055
    17th June 2016, 11:49 Go to last post
  13. Ñâúðçâàíå íà ëåä ëåíòà

    Äíåñ êóïèõ 5 ìåòðà áÿëà ëåä ëåíòà. Íàé-äúëãîòî ïàð÷å, êîåòî ìè òðÿáâàøå áåøå ìåòúð è íåùî. Íåãî ãî ñâúðçàõ ñ æèöèòå îò ñàìàòà ëåíòà. Ñ êàêâè æèöè äà...

    Started by phar33ll‎, 5th July 2016 17:11
    • Replies: 7
    • Views: 6,868
    7th July 2016, 00:11 Go to last post
  14. óñèëâàòåë íà 12 âîëòà - ïðîìÿíà íà ïîëÿðèòåò áåç äà èçãàðÿ

    Çäðàâåéòå, èçïîëçâàì åäèí óñèëâàòåë çà àóäèî âçåò îò åëèìåêñ è êîéòî ìèñëÿ, ÷å èçãîðÿ ñëåä êàòî áÿõà ñìåíåíè ïëþñà è ìèíóñà. Èìà ëè íÿêàêâà ñõåìà,...

    Started by embaka‎, 18th May 2016 22:10
    • Replies: 24
    • Views: 6,968
    6th August 2016, 14:35 Go to last post
  15. Òåðìîìåòúð çà êîìïþòúð

    Çäðàâåéòå, Èñêàì äà ñè íàïðàâÿ òåðìîìåòúð çà êîìïþòúð, êîèòî äà ìåðè ñòàéíà è âúíøíà òåìïåðàòóðà. Íàìåðèõ òî÷íî òîâà, êîåòî ìè òðÿáâà ->...

    Started by nikodim‎, 13th July 2008 23:12
    • Replies: 8
    • Views: 7,934
    8th September 2016, 10:38 Go to last post
  16. Question Êîìóòèðàíå íà ñâåòîäèîäíî îñâåòëåíèå

    Çäðàâåéòå, Ñáëúñêàõ ñå ñúñ ñëåäíèÿ ïðîáëåì: Ïèð çà äâèæåíèå âêëþ÷âà îêîëî 2ì ñâåòîäèîäíà ëåíòà ïðè âëèçàíå â ïîìåùåíèå. Ñëåä ãîäèíà âðåìå ðåëåòî...

    Started by mlukarev‎, 14th October 2016 23:42
    • Replies: 8
    • Views: 743
    16th October 2016, 13:33 Go to last post
  17. Question LED ëåíòà óïðàâëÿâàíå îò êîìïþòúð

    Çäðàâåéòå! Èñêàì äà íàïðàâÿ îñâåòëåíèå çà áþðîòî ìè, êîåòî äà áúäå îò LED ëåíòà è óïðàâëÿâàíî îò êîìïþòúð. È â ïðîöåñ íà òúðñåíå èçíèêíàõà íÿêîëêî...

    Started by EmilKostadinov‎, 17th October 2016 21:53
    • Replies: 2
    • Views: 1,190
    18th October 2016, 22:13 Go to last post
  18. RFID ïèñà÷êà

    Çäðàâåéòå êîëåãè, Íÿêîé äàëè èìà RFID ïèñà÷êà? Áèõ èñêàë äà ñè ïðåçàïèøà äâàéñåòèíà ÷èïà, íî íå ìè ñå äàâàò ñòîòèöè ëåâîâå, êàêòî ìè èñêàò â...

    Started by rrado‎, 20th October 2016 15:42
    • Replies: 2
    • Views: 630
    20th October 2016, 17:05 Go to last post
  19. Áðóì ïî àóäèî ñèñòåìà îò êîàêñèàëåí êàáåë

    Êîëåãè çäðàâåéòå. Îò â÷åðà ìå ìú÷è ñëåäíèÿ ïðîáëåì: Èìàìå òåëåâèçîð, â êîéòî âëèçà êîàêñèàëåí êàáåë íà Áëèçó, è îò íåãî èçëèçà HDMI êàáåë êúì...

    Started by Icemann3016‎, 31st October 2016 16:43
    • Replies: 15
    • Views: 4,627
    2nd November 2016, 18:41 Go to last post
  20. Ìîäèôèöèðàíå íà çàðÿäíî

    Çäðàâåéòå, èìàì äúðæà÷ çà 5 áàòåðèè, êîéòî ìîãà äà ñâúðçâàì êúì çàðÿäíî, íî ïðîáëåìúò å, ÷å ðàáîòè ñàìî àêî èìà 5 áàòåðèè. Àêî ñà ïî-ìàëêî íå...

    Started by Lex‎, 29th October 2016 23:31
    • Replies: 6
    • Views: 896
    6th November 2016, 03:13 Go to last post
  21. Áðóì â êîëîíà

    Èìàì ñëåäíàòà ñõåìà íà 5.1 HiFi àóäèî ñèñòåìà Ìàëêî èñòîðèÿ ñèñòåìàòà å ðàáîòèëà áåç ïðîáëåìè êàòî 2.1 â äðóãî ïîìåùåíèå â ìîìåíòà êàáåëèòå...

    Started by vinse‎, 15th November 2016 10:20
    • Replies: 4
    • Views: 1,055
    15th November 2016, 21:16 Go to last post
  22. UPS Àâàðèéíî Çàõðàíâàíå Ìîäåë: IN 100 K + Ïðàâåö

    Çäðàâåéòå, Êàêâà ìîæå äà å ïðè÷èíàòà äà íå äàâà 220V íà èçõîäà íà UPS-a êàòî å âêëþ÷åí â çàõðàíâàíåòî äèðåêòíî?

    Started by tritonchev‎, 18th December 2016 14:26
    • Replies: 1
    • Views: 771
    18th December 2016, 15:22 Go to last post
  23. Question Ïðîáëåì ñúñ LED ïðîæåêòîðè.

    Êóïèõ ñè 2-3 ðàçëè÷íè åâòèíè ËÅÄ ïðîæåêòîðà îò ïî 4-5 ëâ. åé òàêà, äà èìà ïî åäèí â êîëàòà, â ãàðàæà è ò.í.  íà÷àëîòî âñè÷êè ñè ðàáîòåõà ÎÊ, íî...

    Started by x15‎, 20th December 2016 15:58
    • Replies: 11
    • Views: 2,002
    22nd December 2016, 00:12 Go to last post
  24. Îáðúùàíå íà ïîëÿðèòåò

    Çäðàâåéòå ! Èìàì åäíî 12 âîëòîâî åë. ìîòîð÷å è èñêàì äà ãî íàêàðàì ñ íàòèñêàíåòî íà 1 áóòîí, äà âúðòè ïúðâî â åäíàòà ïîñêîà è ñëåä íàòèñêàíåòî ìó...

    Started by unforeseen‎, 15th December 2016 22:14
    • Replies: 15
    • Views: 3,227
    1st January 2017, 22:54 Go to last post
  25. Lightbulb Ïðîáëåì ñúñ çàõðàíâàíåòî íà Philips Tv 40pfl5206h ñëåä òîêîâ óäàð

    Ïðèâåò êîëåãè. Â÷åðà ìè èçãúðìÿ ñèëèêîíîâèÿ ïèñòîëåò (íÿêàêúâ êèòàéñêè çà 10 ëâ) äîêàòî áåøå âúðçàí çà ñúùèÿ ðàçêëîíèòåë êàêòî è òåëåâèçîðà , êîåòî...

    Started by ShinG0‎, 10th January 2017 00:55
    • Replies: 6
    • Views: 1,778
    10th January 2017, 15:50 Go to last post

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