Socket Adapters

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  1. meir siman tov February 6, 2009 2:50 pm 

    tell mw more about it.
    where can I get it?
    how much it`s cost?

  2. waterbug March 15, 2009 3:50 am 

    I am viewing the High power supply regulater 0-30V 20A by LM338 circuit. The values are not very clear. Is it possible to get a clearer picture?

  3. Vane Janev March 15, 2009 8:10 pm 

    I can read all the component values. Tell me who part you can’t view.

  4. lyzxh August 5, 2009 4:00 am 

    Is it possible to get a clearer picture?

  5. Eddysarios October 31, 2009 2:06 pm 

    este poyecto me parece muy interesante, felicitarles.
    les pido si tienen yl circuito,pcb y su exadecmal para grabar a la memoria.
    me despido deseandolos exitos en el labor qie desempeñan y esperando su pronta respuesta.

    Atte Edwin

  6. Jay February 8, 2010 10:56 pm 

    I wonder if the com port could be replaced with a USB connection. This is good physical computing projects.

  7. helalsb June 19, 2010 2:16 pm 

    Dear i need pic16f628a hour alarm clock asm or hex file. pls help me

  8. steff40 June 23, 2010 8:10 pm 

    Hi there

    I find your USB DAC with PCM2704 very well.
    Can i buy it anywhere or is it only a unicate from yourself? I need another

    for my own Hifi. Can you help me about this? Please answer me :

  9. steff40 June 23, 2010 8:11 pm 

    Hi there

    I find your USB DAC with PCM2704 very well.
    Can i buy it anywhere or is it only a unicate from yourself? Is it possible with an SPDIF ?I need another

    for my own Hifi. Can you help me about this? Please answer me :

  10. TehnikService June 23, 2010 10:49 pm 

    You can try on ebay or search on google see this link.

  11. bmw_10 September 18, 2010 1:15 am 


  12. Naeem October 6, 2010 11:19 am 

    Dear i need pic16f628a hour alarm clock asm or hex file. pls help me

  13. janjan2x February 3, 2011 10:32 pm 

    pls help…
    i follow the circuit and the program given in the website but still, its not working. is it ok to use a 5v regulator instead of using the LP????, since its not available in our area? when i press the push button, all the led goes off and a beep would be heard for a second… i don’t know what to do anymore…. and before i forget, after testing the circuit, i added 1 led and push button on the circuit.. still its not working… what should i do…? i will appreciate your help on this matter…

  14. aprilmae February 5, 2011 9:29 am 

    please give me a complete detail of this project especially the code..we are also using pic16f628a!

  15. aprilmae February 5, 2011 9:59 am 

    can you also give us the circuit diagram and the part list??

  16. Tom March 6, 2011 10:01 am 

    I would like to make this timer,but I can’t find source code.Can anyone help me with this?Thanks

  17. Tom March 8, 2011 2:38 pm 

    Thank you so much for a code.

  18. Hari April 9, 2011 9:51 am 

    I want one

  19. Petar April 9, 2011 7:26 pm 

    ESR meter is so beautiful and necessary electronic equipment.

  20. ice April 9, 2011 8:50 pm 

    please send me one pcb

  21. Migraine Poseidon April 9, 2011 10:19 pm 

    This website is fairly engaging. I am glad I found it because I discovered something new as I read it. Keep posting.

  22. Inboedelverzekering April 9, 2011 10:34 pm 

    Hello, your weblog does not show correctly on the ipad2. Could you fix this?

  23. Renato April 10, 2011 10:47 am 

    I would like one is still available.

  24. Mike April 10, 2011 9:33 pm 


  25. Mehdi-bennour April 13, 2011 9:51 pm 

    plz help me, i don t find the 1s2076a diode with any diode can i replace it?

  26. cyborg90 April 16, 2011 5:28 am 

    Thanks for this link! I will build this programmer for sure one day or the other! 🙂

  27. cyborg90 April 16, 2011 5:31 am 

    Is there any through hole modification of this programmer. I mean i’m not so comfy with SMD Components. Hope u understand 🙂

  28. Joco April 19, 2011 8:40 pm 

    i would like one peace if you can send me

  29. Cedric Agie April 21, 2011 11:05 pm 

    I found an explanation in some sort of Cyrillic alphabet, probably a Russian language.
    Could you please send us a translation and a complete scheme, components and explanations of this otherwise interesting project?

    Thanks in advance
    Cedric Agie

  30. Anonymous April 22, 2011 3:05 pm 

    Do not even have nectar, usually, the bees are not around the root there and pollinate it. However, if by chance one is pollination and remove the dead bloom keeps the bulb from the creation of the seed.

  31. Dimas_elektronik April 22, 2011 9:42 pm 

    Saya sangat gembira menemukan Blog ini,tolong dong kirimi aku Pcb esrnya.makasih sebelumnya

  32. Vane Janev April 23, 2011 6:21 pm 

    Sorry, there were only two pcbs and they’re already gone.

  33. Terrykham April 28, 2011 4:53 am 

    Damed!!! Mine never work. In fact it got worst than before.

  34. johnsimons May 13, 2011 5:07 am 

    I find those large SLA batteries for $5 each, from a battery
    refurbisher/surplus store.My battery had a huge crack in it too. I’m not kidding, that thing never worked.I heard the charger start up one morning, and instead of stopping in 10
    minutes as it usually does, it continued to be on for 5 hours. I pulled
    the plug and eventually opened up the battery pack.

    UPS Battery

  35. ac repair fairfax May 13, 2011 4:19 pm 

    its very detailed information regarding Battery. very understandable for a newbie but i think if you check it on  daily basis then it will run for long time.

  36. Gilvantexas May 19, 2011 1:27 am 

     e o esquema ?

  37. Gilvantexas May 19, 2011 1:39 am 

     a encontrei , muito bom esse projeto.

  38. Me May 20, 2011 7:44 pm 


  39. Chris 0798 May 23, 2011 9:28 pm 

    I’m newbie, trying to replace inverter for my  old neovo E-19A monitor, the same one. I orderred the same inverter. What wires go to where? From my new CCFL 4 lamp universal inverter, i have one black, two yellows, one red. 
    And what about the 4 wires on each sides? I thought It comes with adapter, but didn’t…. 

  40. Roberto May 24, 2011 4:34 am 

    What is the capacitance of Cy??? perhaps 10uF???? it is good that ?????

  41. Anonymous May 29, 2011 3:35 pm 

    Capacitor C4 (Cy) – Bypass
    This capacitor is optional and can improve the rate of rejection of food. With a typical value of 10uF, the rejection rate reaches 50dB. 

  42. Adrielg-br June 8, 2011 5:43 pm 

    y el soft para la pc?

  43. Claudyno23 June 24, 2011 10:25 am 

    pls   send  me  the  wiring diagram  to

  44. Vikas_303 June 29, 2011 9:59 am 

    tell me softWARES NAME

  45. laptop batteries July 4, 2011 4:14 am 

    Hi. I am very pleased I found this blog, I truly found this by mistake, whilst I’d been looking around Yahoo for something different, Anyway I am here presently and would just want to thank you for a great blog posting and a all round intriguing site (I additionally like the theme). I’ve saved it and also added the RSS feeds.

  46. Peter July 5, 2011 1:16 pm 

    Good project. Curious why you left the DB25 on the solder side though instead of routing it to be on top (especially for the sake of soldering ease)

  47. TehnikService July 5, 2011 11:28 pm 

    why .. when I drew the eagle program in place to put the male DB25 I put it a female DB25 connector, and so was I have not had time to straighten it, I have with me only one male DB25, and so I solder the connector on the soldered side ..Peter if you have female db25, than is easy.

    You can see pinout

    Female DB25

    Male DB25

  48. Vane Janev July 5, 2011 9:32 pm 

    why .. when I drew the eagle program in place to put the male DB25  I put it a female DB25 connector, and so was I have not had time to straighten it, I have with me only one male DB25, and so I solder the connector on the soldered side ..Peter if you have female db25, than is easy.

  49. Peter July 6, 2011 7:43 am 

    Awesome, now it makes sense =)
    I made it up today but it’s not reading my MX25L1005 using the software.
    I only get the same error messages Unknown Manufacturer 0xFF etc in detection.
    Not a fault with the circuit, just something screwy my end. Two different programmers give the exact same thing. Ports have been checked etc so I am stuck atm.

  50. Vane Janev July 6, 2011 10:48 am 

    Hi Peter
    How did you connect the programmer with cable or direct to pc? you now that the 25l1005 is working on 3.3v you can see on datasheet ..check pin 8(VCC) on 25l1005 you must have 3.3v. i propose first to buy cable db25 male to female and i think you wild fix the problem. I had the same problem like you and the problem was into the cable ,i bought new cable db25male to female and fix the problem.

  51. Peter July 6, 2011 10:53 am 

    Figured out the problem. Zif socket is defective. Sending it back for a new one now.

  52. John July 14, 2011 4:42 pm 

    I have come across this web site and it has alot of information for building everything and I find it very useful

  53. prowest July 14, 2011 7:44 pm 

    More looks like trading company than the factories

  54. Seema Saiyom August 1, 2011 7:00 am 


    great site ….i really need this information…..

    Thanks for sharing such a great site..

  55. Seema Saiyom August 3, 2011 7:20 am 


    parking sensor play an important role in our life, because life is gold ….save this…


  56. electronic deals August 4, 2011 11:12 am 

    Awesome! It’s great to see something like ‘on live’.

  57. P.Fievet September 9, 2011 10:13 am 

     Can you explain how did you succeed in dissassembling this monitor!

  58. Kevin Groce September 13, 2011 4:42 am 

    I am always looking for more useful tools.

  59. Ivan September 13, 2011 7:48 am 

    I think this is very good instrument and help in accurate measurement for capacitors

  60. Paselfc September 13, 2011 9:46 pm 

    bravos 🙂

  61. Vane Janev September 14, 2011 10:02 am 

    Congratulations Ivan, i send you PCB of Digital ESR Meter

  62. TL LANKA WEB September 17, 2011 3:01 am 

    daytron rp-406 TV service manual plz,my email address share (

  63. Electronics News September 20, 2011 6:01 am 

    Very great article, nicely shared, useful and helpful….

  64. marco October 5, 2011 5:06 am 

    we have tried to do this but it does not work. can you give us some tips on what could be the mistake

  65. love battery October 12, 2011 12:15 pm 

    It is really amazing. when my battery down,i will try to repair it like you said

  66. Prayagsygnet October 14, 2011 10:20 am 

    I’m 12th std student, just I m learning microcontroller for curiosity. but I m getting to much hard to learn also very much interest in Microcontroller project, if u don’t mind can u send me the schematic, asm code and hex file of this clock on my mail thanks for ur help, it is motivating me to make a different project and learn microcontroller, can I learn PIC side by side with 89C51 MC

  67. Mrx_karl October 20, 2011 11:09 pm 

    I have made this, but the LED1 and LED3 are switched ON even when the water does not contact with the second and third wire. Supposedly, the wires are not closed and LED1 and LED3 are not switched ON. Can anyone please tell me what’s wrong with my circuit? Thanks.

  68. m?rrov zazao?lu October 28, 2011 11:26 am 

    m?rtov peki bu kaç Watt dayan?yor mesela biz 1000 W lik ar?yoruz….

  69. GadgetsNews November 1, 2011 5:07 pm 

    Thanks for the image, it’s clear, got some ideas to continue it………..

  70. Ruchirpandey November 10, 2011 7:06 am 

    Dear i need pic16f628a hour alarm clock asm or hex file. pls help me

  71. Adithyanvs November 11, 2011 8:08 am 

    where is circuit of this power supply???

  72. Ruchirpandey November 13, 2011 7:23 am 

    Dear i need pic16f628a hour alarm clock asm or hex file. pls help me

  73. Ruchirpandey November 13, 2011 7:23 am 

    Dear i need pic16f628a hour alarm clock asm or hex file. pls help me

  74. Jamshaid zafar November 20, 2011 7:18 am 

    is it possible to make the L4 by hand, if yes than what is the method of windind. please give me complete detail.    jamshaid.

  75. Esans November 20, 2011 9:51 pm 

    I mounted that into a protoboard, and I am able to read the content od a MX25L1005, but I cannot erase nor program it, any ideas?

  76. Nandana_dewagiri November 21, 2011 4:44 pm 

    Dear i need pic16f628a hour alarm clock asm or hex file. pls help me

  77. Dinuja Chamara November 24, 2011 1:13 pm 

    Dear i need pic16f628a hour clock asm or hex file. pls help me

  78. Bayu November 26, 2011 3:58 am 

    unfortunately, I was too late 🙁

  79. Kiro Cvetkovski November 29, 2011 7:58 am 

    Aj so sreka ,pa uste mnogu godini  da se raboti uspesno

  80. Gadgets News November 29, 2011 12:04 pm 

    Very informative post, brilliant ideas………..

  81. Fili December 2, 2011 9:17 am 

    Happy Birthday!

  82. Antia2000 December 26, 2011 7:54 pm 

    Like the candle, but most of all I like the combination photo of PCB and real view in one.

  83. Niffcreature December 30, 2011 11:39 pm 

    Do you have circuit boards for sale? Thanks!

  84. Badr_b61 January 3, 2012 7:53 pm 

    hello ineed fileeprom fortv tokyosat32 eprom number25x40

  85. Jamonit29944 January 11, 2012 11:11 pm 

    Where can I get the source code?

  86. Juwaan7 January 13, 2012 4:28 pm 

    plz tell me is transistor

  87. Ilev55sz January 17, 2012 10:23 pm 


  88. elektrojiwaku January 22, 2012 3:36 am 

    LM 3886 best clone amplifier… Best Project…. “

  89. Antia2000 January 27, 2012 12:39 am 

    I have never seen anything like this – made by one man’s hands, with so much knowledge, dedication and LOVE for electronics… WELL DONE! Unique!

  90. Azeem Naseer February 4, 2012 11:34 am 

    i am final year student of industrial electronic engineering.want to make my final year project PLC based,help me and give me new idea??

  91. Phoebian February 8, 2012 7:03 pm 

    How do you get the cover off the monitor?

  92. B93li February 13, 2012 7:12 pm 

    can you please list the equipments for this project

  93. Marcos Antonio February 23, 2012 3:55 am 

    ótimo colega, montei um gravador desses mas estou com problemas esse é mais simples, vou fazer algumas modificações no meu e depois e comentarei se deu certo, mas está de parabéns.

  94. Mohamad Alhawe February 27, 2012 6:17 pm 


  95. Adhikarikishsn March 3, 2012 10:47 pm 


  96. Sorry March 5, 2012 12:23 am 

    If it turns on but the lights go out very fast, it’s one of the TL tubes broken

  97. Chicotecni March 14, 2012 5:56 am 

    Did you have the eeprom file of this monitor with PCB LS19HAN and chip  MX25L1005 for download?

  98. tracy March 17, 2012 9:36 am 

    Thoroughly enjoyed the post.I’ve recommended this blog to some of my colleagues. I’m sure they’ll find it useful as I found. Eagerly anticipating what’s coming next.

  99. Car Mobile GPS March 24, 2012 7:28 am 

    I love to see phones of HTC. What I really like is the feaure program of andy mobile GPS on phones that HTC have it. 

  100. Ashish ghogare March 27, 2012 3:06 pm 

    which type of wire may be used………e.g. cu,Al,……..

  101. ????? ??????????? April 1, 2012 2:58 pm 

     ????????? ??????!

  102. byutea April 2, 2012 6:15 am 

    pick me

  103. seo April 3, 2012 1:11 pm 

    Among the different popular accessories laptop stand has gained high popularity.Really its amazing.I like this content.I like this post.Thanks to share this blog.

  104. Beautystavros April 4, 2012 12:54 pm 

    Thank you for your help…..

  105. Lovebattery April 8, 2012 11:42 am 

    great share,i prefer it.

  106. Umair Farooq10 April 15, 2012 9:20 am 

    what is the role of 555 timer in this circuit?

  107. Vane Janev April 17, 2012 7:05 pm 

    maybe, you should try with a new one

  108. Antia2000 April 19, 2012 9:03 am 

    I like this PCB so much!
    It is so small sized!
    It is a challenge to put the components on this PCB,
    you need a good hand for that!

  109. Disco_dj April 24, 2012 5:49 pm 

    hi there.. is the code for the PIC Available?

    many thanks

  110. Feelfree1964 April 26, 2012 5:46 pm 

    where is the text?

  111. Yean April 26, 2012 6:09 pm

  112. Birdofprey April 28, 2012 4:54 pm 

    Hi! Can you provide the schematics and component values of this new board? I want to build and use your programmer, but on the page with the V1, the board on the PDF does not match the one in the pictures 🙁

  113. Vane Janev April 28, 2012 6:24 pm 

    I will certainly publish complete project soon with Eagle files and parts … also we gonna give free pcb of this project.

  114. Paul Brush April 30, 2012 1:00 pm 

    Hi.. Built the project work well… thanks
    Do you have the source code for the pic to sell /share

    Paul Brush

  115. Washout April 30, 2012 8:58 pm 

    I think it’s absolutely useless to give second life to such machine. Spin on 500 rpm now it’s not sufficient. It was better to find more fast washer.

  116. danielhz May 4, 2012 3:14 am 

    Hi.  I just have one question.  What software do you use to get the 1st picture like a special final design. or like a 3d view.  Many thanks.

  117. rinchan May 5, 2012 2:35 pm 

    Great content gives freshness and relevancy to the blog or website to boost the ranking.I like this .Thanks to share this blog.

  118. Tehman May 6, 2012 7:50 pm 

    please send me one pcb

  119. Babar Ali May 10, 2012 1:50 pm 

    I want that 4 free

  120. alexander May 11, 2012 5:16 am 

    Thank you !

  121. Toyse Woody May 11, 2012 4:42 pm 

    Is it my time to get a free one?

  122. Brian May 13, 2012 9:08 pm 

    Very nice! I would like to win one.

  123. dan May 13, 2012 9:57 pm 

    Please send me one

  124. petr May 14, 2012 7:14 am 

    I would certainly like to get one of these!

  125. Nick May 14, 2012 8:32 am 

    I would like to get one for my lab

  126. Circuitish May 14, 2012 9:17 am 

    Sorry , they already gone.. you can win pcb another weekend

  127. Vane Janev May 18, 2012 12:55 am

  128. Vane Janev May 18, 2012 12:55 am

  129. Bargain Perfume May 23, 2012 9:18 am 

    Amazing Themes.Really very beautiful.I liked fully written article of monitor .Many Thanks for sharing such wonderful article with us.

  130. wills May 23, 2012 10:13 am 

    If you’re a newbie
    in the world of online marketing campaigns, email marketing and list
    building, beginners actually have an edge no matter what type of industry
    they are targeting.Many thanks for the tips.

  131. Joppedc May 28, 2012 11:46 pm 

    is it possible to plug this into a USB port, thats 5 volts?

  132. Edutelapone May 30, 2012 7:01 am 

    AND??????….. Shema???? PCB?????

  133. sanjeev shastry June 21, 2012 5:12 pm 

    what is the bios file extension?

  134. Paul G June 22, 2012 2:03 pm 

    In simple terms if you imagine the keyboard is secured in 3 areas.

    Step #1.

    On the underside of the laptop there are 2 screws these are denoted by the letters KBD, loosen and remove these.

    Step #2.

    For this you will need a very small flat blade screwdriver preferably about 1.5mm blade diameter and 0.25mm thick. (read very small and thin like a watchmakers screwdriver).

    If you look very very closely at where the gap between the F2 and the plastic bezel is there is a small channel, if you look deeper at the gap preferably with a torch you will see a tiny cut out slight to the top right area of the key.
    This is where you need to push your screw driver in gently and twist.
    You will then need to prize the keyboard out and place something behind to once freed to stop it popping back in.

    You then need to repeat the #2 instructions for similar tabs placed above the F8 and Prt Sc keys.

    #3 to re-assemble I would recommend starting to put the Prt Scr tab in first followed by F8 and F2

    Other tip… the chassis to keyboard ribbon connector clamp is a flip up/down type, not an in/out type.

    Hope This helps.

    It bugged the hell out of me getting the keyboard out!


  135. Paul G June 22, 2012 2:05 pm 

    Samsung R730 Keyboard Removal Instructions (<— added to help google search quicker for my answer)

  136. sanjeev shastry June 23, 2012 4:41 am 

    Finally it worked i figured out the problem…………………it was with my pc parallel connector….it working now thanks a ton.!!!!!

  137. prasad pasupuleti June 29, 2012 11:13 am 

    ……..MAIL TO

  138. mo inj July 5, 2012 12:57 pm 

    how can i buy it?

  139. hadi July 5, 2012 6:40 pm 

    I want it!!!!!!

  140. Ganesh D. Kubade July 19, 2012 2:41 pm 

    Yes I also want this pcb.

  141. Fabio vianna July 25, 2012 11:48 pm 

    Hello! That was what I wanted! Thank you.
    Ps.: Do you have icl8038 spice model simulation for ISIS PROTEUS?

  142. jolsky July 28, 2012 6:04 pm 

    Please send me one, i living in Hungary ..

  143. Tihomir August 1, 2012 9:42 pm 

    Nice, i am very interesting for your PCB and this project.Please provide one if possible.

  144. Beckey Boyles August 21, 2012 2:27 pm 

    How do you get the stupid thing apart??? I have looked everywhere for a service manual but no joy. There’s no more screws to take out, and I don’t want to scratch the casing trying to prise it apart. Help me please?!

  145. MYLA LOVA KIRANVARMA August 24, 2012 1:10 pm 

    Really nice! but the range of the IR is two small. You can achieve the range by increasing the voltage.
    similar article can be found in

  146. Marian Siarov August 24, 2012 6:09 pm 

    I would love to have one!

  147. Bicamarian2006 September 1, 2012 10:34 pm 

    Hi! I’ve just found your circuit recently and built it. Sadly, it doesn’t work, so I would like to know if the programmer works with the 75HC244 version. I hope it’s not too late to get an answer. Thanks!

  148. Sugeng Kisw September 3, 2012 1:00 pm 

    Could you send me the Hex file?

  149. Sns6518 September 15, 2012 8:37 pm 

    hi,very interesting, i’m interested to build one like this, could you please send me the circuit diagram with parts list if it’s possible,thanks in advance.


  150. Paul Houwen September 19, 2012 9:37 am 

    This is where i loking for so i can repair mine satteliet receiver

  151. richms September 23, 2012 6:54 am 

    Wow. I guess this predates the common in the 90’s high speed dubbing boomboxes that was how I duplicated stuff.

  152. Rahim Rahi September 23, 2012 7:02 pm 

    circut is not compleat

  153. ahmed beco September 30, 2012 7:20 am 

    Very nice! I would like to win one.

  154. Me September 30, 2012 1:37 pm 

    is it a difference between “TMS91429CT – K07TM24A” and other  TMS91429CTs? because i want to replace mine with another  TMS91429CT . I have a samsung 19′ 940n. 

  155. Vane Janev September 30, 2012 9:53 pm 

    I think they are the same .. but first check the resistance on the transformer and compared the two of them (think of your transformer and in this video)

  156. Jorge Rodriguez October 7, 2012 8:42 pm 

    hi! I look for chaser kit: inpunt 12 volts; outpunt 12 volts/10-25w per channel aprox; 4 to 12 channel. Do you know something, please send me information to Thank you 

  157. Aleksandar October 11, 2012 11:19 am 

    nice to have 🙂

  158. Karolis October 11, 2012 12:16 pm 

    I want that PCB 🙂

  159. Blagojce October 12, 2012 5:21 am 

    Me too!

  160. Antonio Marques October 13, 2012 4:01 pm 

    Excellent idea. Please send me a PCB. Thank you.

  161. Alftrek October 13, 2012 4:40 pm 

    I want a free PCB!!!!

  162. Andrés October 13, 2012 10:58 pm 

    A ver si cae… I want mine for free…

  163. Circuitish October 14, 2012 4:35 pm 

    Congrats to the winners Karolis, Blagojce and Antonio Marques ..for others Sorry, there were only three and they’re already gone, next time we will be giving free pcb to another new prototype.

  164. minnaingoo2011 October 15, 2012 10:49 pm 

    Thanks you for all posts in the site. I really thanks a lot.

  165. Vane Janev October 17, 2012 10:28 pm

  166. Murugabi07 October 22, 2012 1:51 am 

    where i can gedt hex files for above circuit if anyone have please mail to me

  167. Vane Janev October 22, 2012 10:15 am

  168. arvin lazaro October 26, 2012 2:16 pm 

    can i have even 1 free pcv sir?thank you..

  169. Manosp009 October 27, 2012 3:32 am 

     hi,very nice work !!
    please if you can send me the diagram with parts list if it’s
    possible,thanks a lot !!.

  170. Dagnis Lazdins October 29, 2012 5:12 am 

    IC1 is on the wrong place. 

  171. Yuri_grace06 November 17, 2012 3:44 pm 

    please send my email pcb lay out on top 

  172. Herman-jup November 24, 2012 12:07 pm 

     Thank you ,it worked perfect  for me !
    greetings from peter in Krautland ( germany) .

  173. Alftrek December 4, 2012 9:00 pm 

    I want an IR tester is very useful

  174. Andrés Dans December 5, 2012 12:26 am 

    Lets see if one goes to Spain

  175. Vane Janev December 6, 2012 10:58 am 

    Congratulations Andrés Dans & Alftrek

  176. Undyinx XDz January 6, 2013 9:53 am 

    can someone help me i get error when i use to run the SPI flasher program…what should i do…?? this is what said in window “The IO.SYS service is present,but the driver cannot be connected to” and another window pop up it said “IO.DLL not found program terminating” but the IO.DLL exist in the folder…

  177. Sony_lucian January 15, 2013 5:05 am 

    where i can found pcb and schematics? thank you

  178. Jero Darta January 20, 2013 4:03 pm 

    can this instrument use for chek tv signal ?

  179. Pirateking1981 February 5, 2013 2:18 am 

    sir where’s the schematic diagram?tnx..

  180. mares250 February 8, 2013 7:25 pm 

    Sería estupendo tener este pcb para hacer un probador para el taller

  181. mares250 February 8, 2013 7:35 pm 

    Cordial saludo muy buen post, hay alguna posibilidad que compartas los archivos para hacer este medidor?

  182. Jandu February 12, 2013 4:15 pm 

    Sir, could you please provide the component name and value and schematic diagram.. Very ThaX

  183. Danfa February 24, 2013 4:18 pm 

    I can´t run software on windows 7 x64

  184. Circuitish February 24, 2013 7:29 pm 

    I did not create the software, we’re designed only hardware and the software is not from us … software is created by thanks for him .. and here I read this link.. that works on Windows XP and possibly to work on vista.

  185. Leonet1973 March 12, 2013 6:20 am 

    Can you tell me about diagram conection for the universal LCD inverter, I buy one but not have any manual or diagram.

  186. Farhan March 25, 2013 3:46 pm 

    Failed to write the 000010FF address. When try to erase, 00000000 not empty. What is that mean?

  187. Farhan March 25, 2013 3:57 pm 

    My bios SPI is MX25L8005. When, i use the 100nf 2A electrolit capacitor its detected the bios but failed to erase and verify at 00000000, then failed to write and verify at 000010FF. But when i try to change the capacitor with 0.1pf 1J, the bios unknown. Is that problem with the capacitor or power should be 3.3v? I confused with the JP1, where is 3.3v and where is 5 v? I use the DB25 male.

  188. Pyro April 1, 2013 1:27 pm 

    Can u plz illustrate how 2 connect the components 2 this layout.. especially the thermistor and R4..thank u !!

  189. Eduardo Ramos April 20, 2013 1:25 am 

    Maybe one of this would like to visit my lab… 😉

  190. sak April 29, 2013 6:14 am 

    is it better than proteus

  191. vujahat May 7, 2013 8:33 am 

    can u please give me schematic diagramof this curcuit i really need sorry for bad english

  192. robeto May 14, 2013 6:44 am 

    thank you

  193. castrotoys May 28, 2013 4:34 pm 

    i want the PCB free or with pay of ESR meter.please write to

  194. rasoul June 13, 2013 1:23 am 

    Thank you

    It was great

  195. Marcelo Saavedra June 23, 2013 12:35 am 

    Hi. The programmer can only read the S25FL or this only apply
    to the Eon EN25?

  196. Edwin.H. June 24, 2013 9:49 pm 

    I was about to make one when I found this
    saved me quite a bit of effort. Thanks for sharing this project though! You have lots of cool stuff here!

  197. wadnoune July 4, 2013 1:56 am 

    how can i get this product


  198. Jenoa July 14, 2013 11:40 pm 

    Assembler, C, mikroBasic?

  199. Cat_See-You July 19, 2013 1:26 pm 

    Hi Can U Re Upload the file..
    i cant download it..

  200. entdecken July 22, 2013 9:25 am 

    Amazing technology, the article is well written

  201. tino July 26, 2013 10:45 pm 

    Please send me the converter circuit and the component information.
    Thank you

  202. alcir August 12, 2013 6:55 pm 

    Gostaria de receber gratuitamente esta PCB para eu testar o produto.

  203. djeony brasil August 19, 2013 5:09 am 

    Help pls i cant conect to mx25l6406 the software answer hrdware not present , what is wrong ? Why software try read if not hardware is present in this case ? All contacts are like in the schemmatic digram shown in this site, pls something to do ? Best regads , tks

  204. Circuitish August 19, 2013 1:24 pm 

    Check do you have 3.3V and 5V if this ok , i will try with new lpt cable

  205. Djeony brasil August 20, 2013 3:00 am 

    Tks for answer… Yes ok with 3.3 and 5 V, 25L6406 uses 3.3V, all pinout of lpt cable and 74LS244N buffer are checked working fine, conected 8 pins of spi socket are with wire jumpers directly to 25L6406, (need some inversion in ex SI to SO pins ?) What´to do with IO.dll ? I keep in the same folder of software, Best regard tks so much…

  206. Djeony brasil August 20, 2013 3:12 am 

    I remeber One detail … Please, it´s possible to detail the name of pins ( spi 8 pins socket) in diagram schematic of this page, then i can compare the wires connected with the pins of 25L6406, escuse me tks…

  207. abbas August 22, 2013 3:02 pm 

    hello , i try read and write en25t16 , but the software not responding for this device , the set is wery good work with ex en25t80 , please help me

  208. djeony August 23, 2013 10:58 am 

    Finaly now works fine, reading, save, verify, program the target 25L6406, caracters show in screen but if press test hardware button aswers software is not present, i can trusth in the results in this results ? Tks so much….

  209. djeony August 23, 2013 11:04 am 

    Finaly now works fine, reading, save, verify, program the target 25L6406, caracters show in screen but if press test hardware button aswers software is not present, i can trusth in the results in this situation? Tks so much….

  210. Dudu September 23, 2013 6:57 pm 

    Same monitor, same problem, but in my case, the C113 capacitor is not damage. What do you recomand? Change it or not?

  211. TehnikService September 24, 2013 8:58 pm 

    First you must check power supply 5V 12V is they ok , and tell me what you have measured or which component you have replaced?? Also replace all caps..

  212. john September 26, 2013 10:19 pm 

    What a great project!

  213. Roberto Baccarat September 28, 2013 6:20 am 

    where i can find this article in english, with drawings, parts list and others, i am not abble to read in russian, the original article is from a russian website where i can not locate the link to those files, thanks in advance, regards

  214. jbsat October 15, 2013 5:19 am 

    kd o programa nao consigo baixa sera que na porta 232 funciona …

  215. David October 27, 2013 1:57 pm 

    Hi, i just got a problem with this monitor, the blinking led does, “blink-pause-blink-blink” on every cycle for at least 5 min and the monitor goes back online (this feature it happens when im not using the computer but the pc in on). I have open the circuit that have seen the electrolytes in the position C109 (1000uF/25V) was some like powder on it, what do u suggest?

  216. Alexandr October 28, 2013 10:15 am 

    Good day, how to get the PCBs: SPI Flash Programmer V2

  217. Andoni December 6, 2013 9:35 pm 

    could you please re-upload the files? I want to build one. Thanks

  218. anura kumarapperuma January 16, 2014 3:42 pm 

    you double click on circuit diagram twice, then you get large clear pic.

    thanks ,


  219. JR January 31, 2014 8:54 pm 

    I would like to buy this circuit. Where can I get the plans and buy the board since it looks made to order?

  220. kuma February 10, 2014 7:33 pm 

    If you wat the asm code for 12/24 h clock by pic programming book 1,2 of sarath premachandera 0714167683 .

  221. michael February 17, 2014 7:12 pm 

    where i buy spi programer v2

  222. michael February 17, 2014 7:14 pm 

    if you have ready spi programmer v2 pls contact me at my mobole 09182959134 0r email me at

  223. electronicart February 19, 2014 8:36 am 

    thanks for the PCB to startwith

  224. electronicart February 19, 2014 8:38 am 

    such a good tool,thanks

  225. my8051 March 10, 2014 10:55 pm 

    I made IR remote tester myself using vero board a year ago…but I would like to have this IR tester PCB, if my luck get me one!

  226. mares March 31, 2014 1:46 am 

    Tehnikservice Hello friends I am a follower of your master project and would like to join the USB IR Tester

  227. Sidhu Burre April 30, 2014 8:01 am 

    It is a POV-Ray Software with Eagle Library 🙂

  228. syam April 30, 2014 1:30 pm 

    Pleace send me complete circuit to mail thanks before

  229. DD4Wout May 5, 2014 12:19 am 

    my rubber thing is gone 😛 can I still fix it?

  230. Medlaid Chaia May 26, 2014 11:59 am 

    hello tehnikservice,
    If I get it .it will be the first thing I get from internet

  231. pyross August 8, 2014 2:29 pm 

    thanks for PCB!

  232. pyross August 8, 2014 2:59 pm 

    It would be fantastic if I could get it

  233. Sara Sh August 14, 2014 4:38 pm 

    very good

  234. celica September 16, 2014 10:14 pm 

    its support mx25l12845 ?

  235. Tehnik Service October 16, 2014 1:50 pm 

    congrats to @pyross and @Medlaid Chaia

  236. mahandry October 18, 2014 4:43 pm 

    est il possible qu’il y a un autre logiciel speciale pour hardware spi flash programmer v2? parece que le mien ce dernier ne marche pas avec le software spi flash programmer v1.81

  237. Tehnik Service October 18, 2014 5:03 pm 

    the software is not written by us, so if anybody know programing to make the software available please contact us.

  238. Tehnik Service October 26, 2014 1:58 pm 

    🙂 Link is OK now.. thanks

  239. Tehnik Service October 26, 2014 2:05 pm 

    thanks to Petar for this picture 🙂

  240. Toyse Woody October 31, 2014 5:23 pm 

    Looks good

  241. ALEX November 8, 2014 12:27 pm 


  242. Jose Antonio November 14, 2014 1:09 pm 

    I would love to get one. This adapter is really useful! Thanks!

  243. Toyse woody November 15, 2014 2:30 pm 

    I would like one

  244. padmanabhan.k November 16, 2014 6:00 am 

    Dear sir,
    The days when major IC manufacturers have gone into SMD production from standard DIP package, your contribution for existing customers is really great.


  245. Mohamed Kikia November 17, 2014 9:27 am 

    Definitely need one. In fact I was in the process of laying out a PCB in Kicad for this!

  246. Ruber November 20, 2014 6:25 pm 

    Where is everything? Scheme, pictures, code? Link is not working.

  247. TehnikService November 20, 2014 8:12 pm 

    Thanks for the info , but the post is from 2009 y ..and it’s not our project .. i see now the link is off .. sorry @Ruber

  248. Suvin November 22, 2014 3:43 pm 

    pleae give me the circuit diagram and descriptions …
    i am a btech student,and i need this for my main project. please….

  249. Ruth December 1, 2014 6:21 pm 

    thank you so much for this tip
    how do I know wich
    to order – there are some
    can you pleas advise me the one I should order ?

  250. Shaun December 3, 2014 2:32 pm 

    OK, Nice pictures but where are the details?
    What inverter did you buy?
    What are the wiring details?

    Please give us some more info, great subject though

  251. Ross Wensor April 8, 2015 8:47 pm 

    Hello Petar,
    Any change you can share a photo of the wiring as have been looking for something like this for my shed
    I started doing it on a flat panel but the set up is really good and would appreciate any thing you can share
    Can make out the round black units in the centre can you explain please
    Thanks for sharing and await your reply…for my use only Petar

  252. Marina April 9, 2015 10:22 am 

    can You upgrade the loaded file??? Please

  253. TehnikService April 17, 2015 1:11 pm 

    i will give your mail to Petar to contact you, sorry for late response… Regards

  254. Gatewaypc112 May 10, 2015 12:41 pm 

    what is capacitors (C113) uF and V?

  255. TehnikService May 10, 2015 6:45 pm 


    C113 (820uF/25V)

  256. ilie May 11, 2015 7:57 pm 

    Suvin, check for “ad724″or “ad725”. He used this , schematic is very easy!

  257. Gatewaypc112 May 24, 2015 11:37 am 

    i change capacitor and screen not work. my board emit sound, i short-circuiting the biggest capacitor and it make spark, now the board is silent. What do now with board?

  258. daniel May 25, 2015 3:22 pm 

    I have the same problem. Cant find info about taking it apart. Please help!

  259. Ciparisass Dimitrios June 13, 2015 11:34 am 

    Great stuff.

  260. Varoujan Tashdjian January 19, 2016 4:25 am 

    How can I order a MK2 capacitor meter .
    Please let me know WHERE and COST and SHIPING to Canada.

  261. ishanka January 30, 2016 8:45 pm 


  262. February 17, 2016 8:35 am 

    Thanks for the project, i really enjoyed it. I managed to make my on soldering station but i used a 24v soldering iron so i had to make minor changes and it worked. the only help I m looking for is how to remove gliches at powering up thanks want again D. Tsingano

  263. zur March 8, 2016 4:12 pm 

    I have ADNS2610 sensor… interests interfacing command for assemble pic16f628…
    best regards

  264. john March 17, 2016 2:46 pm 

    how does it works

  265. Kellysmartboy March 18, 2016 7:45 pm 

    plz send me the circuit diagram .

  266. Martin March 23, 2016 12:03 am 

    Alguien sabe las dimensiones del PCB? Saludos

  267. H.Huijnen September 5, 2016 2:03 am 

    Nice and useful, but why not a clear schematic diagram added?

  268. Ndy B September 23, 2016 7:02 pm 

    It’s actually a sensor near the tip. The controller could be anywhere else!

  269. hamed September 29, 2016 2:05 am 

    i need help to my projects clock with pic 16f84 with 7seg

  270. koushik pramanik November 28, 2016 4:51 pm 

    Sir, PIC16F84A, 9 no PIN low output, whats the problem please guide me,
    thank you

  271. Viktor January 7, 2017 9:54 pm 

    No need new inverter. Repair old inverter 1$. Change capacitor 220mKFx25V and fuse 3,15A. The more you grow old lamp, the greater the charge current, and capacitors to heat up, breaks down and burns the fuse. This occurred after a 5-year 24/7. Sorry for my bad English.

  272. Jaswant singh February 14, 2017 7:15 am 

    I want to purchase this led 12 channel circuit with source code
    Kindly send the process to purchase it
    Thank u

  273. Wilfredo Flores February 15, 2017 9:19 pm 

    i need test

  274. mafuj anam February 20, 2017 10:02 am 

    Hi, my name is mafuj. Business man. Writing from Bangladesh.pls can U give me real making led stroboscopc 05 cricuit. Bcz my project is not need to know c1,2 –uf/–v,–nf, rv1,2 –k, r1-5 —o/–w, r6 n r7 –o/–w, ic1,2 . maybe can U help waiting ur answer n after i am making this project. Please help me build the project properly.

  275. Dinos February 24, 2017 8:28 pm 

    Any Calculations???

  276. George May 2, 2017 11:47 am 

    It looks like the original web page is down. Do you have the schematic for this PSU?
    Many thanks!

  277. Sunil July 31, 2017 11:13 am 

    Please sir send me this chaser kit

  278. Ranjan Gupta August 1, 2017 5:09 am 

    led flasher 12 channel circuit diagram

  279. rahat August 22, 2017 8:54 pm 

    source code hex

  280. rupesh September 7, 2017 3:50 pm 

    Dear sir/madam
    I want to programing code for this pic 16f84a ic.
    Please send me programming code.
    And can you send me programmed ic.
    Please talk me sir for this matter.
    My id is
    And my contect number is

  281. Ganesh gedam October 2, 2017 12:03 pm 

    Delivered to quite led chaser ic 16f84a

  282. swati October 3, 2017 12:48 pm 

    delivered to 16f84a

  283. Priyan Sagar October 5, 2017 4:42 pm 

    Please set circuit diagram pcd

  284. pcba October 12, 2017 9:08 am 

    Very great article

  285. pradeesh November 1, 2017 3:38 pm 

    Please send hexfile

  286. pradeesh November 1, 2017 3:40 pm 

    Send circuit

  287. Lufuno November 24, 2017 6:23 pm 

    Thanks a lot for sharing the circuit , what do I need to change on the circuit to get 50Hz

    Thanks in advance

  288. majid November 27, 2017 5:28 pm 

    hello good day
    l am forget radio code of car .can you help me please
    brand is blaupunkt
    made in Malaysia

  289. Maher March 19, 2018 6:55 am 

    This is a great electrical cabinet , thanks

    Please i have some questions about the ammeters was shown in this picture

    May you send me an email to contact

    Best regards

  290. rodrigo April 18, 2018 5:08 pm 

    Hello is posible doing this amp using split font
    Hola es posible hacer este ampli con fuente partida trafo con tap central, gracias

  291. bob July 3, 2018 7:03 am 

    What is value of L1??? no Detail???