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  • failure by design | My 2µF
    by Design My digital power supply Posted on May 24 2010 by robert It s a Voltcraft DIGI 35 CPU So far I ve been quite fond of it and given its age of more than 15 years rightly so I think The markings on the PCB read CTC 91 DIGI 35 and 18132 4350009427 It s the black Continue reading Posted in Electronics Fix me Tagged failure by design linear power supply relay short 2 Comments Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2 June 2013 6 May 2013 6 February 2013 2 January 2013 5 December 2012 1 August 2012 2 July 2012 7 June 2012 6 May 2012 5 April 2012 6 March 2012 2 February 2012 1 January 2012 3 December 2011 5 October 2011 2 September 2011 1 August 2011 1 July 2011 3 June 2011 1 March 2011 2 February 2011 5 January 2011 2 December 2010 3 November 2010

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/failure-by-design/ (2016-02-10)
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  • Pogo pins — Get bent! | My 2µF
    them for prototypes and throw away stuff but it just doesn t feel right to pass these on to other folk An amazingly small tube filled with a tiny spring This entry was posted in Electronics and tagged bent crooked pogo pin Simpsons Bookmark the permalink Printed Circuit Boards MIL TFP41 Spontaneous LED bulb teardown IKEA 200lm candle 2 Leave a Reply Cancel reply Your email address will not be published Required fields are marked Comment Notify me of followup comments via e mail Name Email Website Leave this field empty CAPTCHA Code Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2 June 2013 6 May 2013 6 February 2013 2 January 2013 5 December 2012 1 August 2012 2 July 2012 7 June 2012 6 May 2012 5 April 2012 6 March 2012 2 February 2012 1 January 2012 3 December 2011 5 October 2011 2 September 2011 1 August 2011 1 July 2011 3 June

    Original URL path: http://blog.spitzenpfeil.org/wordpress/2015/02/06/pogo-pins-get-bent/ (2016-02-10)
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  • bent | My 2µF
    Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2 June 2013 6 May 2013 6 February 2013 2 January 2013 5 December 2012 1 August 2012 2 July 2012 7 June 2012 6 May 2012 5 April 2012 6 March 2012 2 February 2012 1 January 2012 3 December 2011 5 October 2011 2 September 2011 1 August 2011 1 July 2011 3 June 2011 1 March 2011 2 February 2011 5 January 2011 2 December 2010 3 November 2010 2 October 2010 1 September 2010 1 July 2010 2 June 2010 2 May 2010 4 March 2010 2 February 2010 2 January 2010 2 December 2009 6 November 2009 1 October 2009 2 September 2009 1 August 2009 4 July 2009 8 June 2009 6 May 2009 3 April 2009 5 March 2009 2 February 2009 6 January 2009 2 December 2008 1 November 2008 2 October 2008 3 September 2008 7 Tags 64 pixels adapter AVR battery

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/bent/ (2016-02-10)
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  • pogo-pin | My 2µF
    the rescue Posted on July 5 2013 by robert As of late I ve been making smaller and smaller circuit boards fighting for every mm² of space The typical 6pin ISP connector used for programming a lot of the AVR micro controllers has been getting in the way more and more Posted in Soldering PCBs Tagged adapter AVR ISP pogo pin tiny 1 Comment Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2 June 2013 6 May 2013 6 February 2013 2 January 2013 5 December 2012 1 August 2012 2 July 2012 7 June 2012 6 May 2012 5 April 2012 6 March 2012 2 February 2012 1 January 2012 3 December 2011 5 October 2011 2 September 2011 1 August 2011 1 July 2011 3 June 2011 1 March 2011 2 February 2011 5 January 2011 2 December 2010 3 November 2010 2 October 2010 1 September 2010 1 July 2010 2 June 2010 2

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/pogo-pin/ (2016-02-10)
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  • Printed Circuit Boards — MIL-TFP41 | My 2µF
    copper plating who knows One thing I know for sure is that IT SUCKS Oh just in case the gerber files are OK I don t see any fault on my side Let s see if I can get replacements boards This entry was posted in Soldering PCBs and tagged Chinese New Year drill size electronics fail PCB tolerances Bookmark the permalink Filamented LED light bulbs Would be nice if Pogo pins Get bent 4 Responses to Printed Circuit Boards MIL TFP41 David Hathaway says February 2 2015 at 20 47 You may already know this but have you thought about using seeedstudio for your pcb s http www seeedstudio com service index php r pcb They offer a reasonable service for a few dollars Here in the UK I only use local PCB manufacturers that I trust and have used before so I know what to expect when they arrive I have nearly all of my boards supplied in HASL and I have never had a situation where it has caused the plated through holes to become smaller than I have specified I hope you get that sorted they should re supply decent quality boards free of charge Good luck David Reply robert says February 2 2015 at 21 38 I ve used SeeedStudio before and many other Chinese front ends for PCB factories I tend to apply a round robin principle with my PCB orders My suspicion towards HASL was a red herring The holes are clearly too small even after sucking all solder away Using local board houses is prohibitively expensive for hobby stuff Reply David says March 9 2015 at 08 51 Yeah the fabrication is bad likely nothing to do with the HASL Tell us who took your money to do this board Reply robert says March 9 2015 at 12 03 I had these boards made at Elecrow not the first time I used them btw No issues until this one I got in touch with them and the boards were re made without any issues this time at no cost to me of course They claimed a drill bit broke and was replaced with an under sized one or that is what the factory told them A bit unfortunate and time consuming but it was handled alright Reply Leave a Reply Cancel reply Your email address will not be published Required fields are marked Comment Notify me of followup comments via e mail Name Email Website Leave this field empty CAPTCHA Code Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July

    Original URL path: http://blog.spitzenpfeil.org/wordpress/2015/02/01/printed-circuit-boards-mil-tfp41/ (2016-02-10)
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  • Chinese New Year | My 2µF
    electronics fail PCB tolerances 4 Comments Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2 June 2013 6 May 2013 6 February 2013 2 January 2013 5 December 2012 1 August 2012 2 July 2012 7 June 2012 6 May 2012 5 April 2012 6 March 2012 2 February 2012 1 January 2012 3 December 2011 5 October 2011 2 September 2011 1 August 2011 1 July 2011 3 June 2011 1 March 2011 2 February 2011 5 January 2011 2 December 2010 3 November 2010 2 October 2010 1 September 2010 1 July 2010 2 June 2010 2 May 2010 4 March 2010 2 February 2010 2 January 2010 2 December 2009 6 November 2009 1 October 2009 2 September 2009 1 August 2009 4 July 2009 8 June 2009 6 May 2009 3 April 2009 5 March 2009 2 February 2009 6 January 2009 2 December 2008 1 November 2008 2 October 2008 3 September

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/chinese-new-year/ (2016-02-10)
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  • drill size | My 2µF
    electronics fail PCB tolerances 4 Comments Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2 June 2013 6 May 2013 6 February 2013 2 January 2013 5 December 2012 1 August 2012 2 July 2012 7 June 2012 6 May 2012 5 April 2012 6 March 2012 2 February 2012 1 January 2012 3 December 2011 5 October 2011 2 September 2011 1 August 2011 1 July 2011 3 June 2011 1 March 2011 2 February 2011 5 January 2011 2 December 2010 3 November 2010 2 October 2010 1 September 2010 1 July 2010 2 June 2010 2 May 2010 4 March 2010 2 February 2010 2 January 2010 2 December 2009 6 November 2009 1 October 2009 2 September 2009 1 August 2009 4 July 2009 8 June 2009 6 May 2009 3 April 2009 5 March 2009 2 February 2009 6 January 2009 2 December 2008 1 November 2008 2 October 2008 3 September

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/drill-size/ (2016-02-10)
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  • electronics | My 2µF
    OSHStencils PCB stencil 2 Comments Prototype stencils from OSHStencils Posted on August 2 2013 by robert First generation now obsolete stencil from OSHStencils com Posted in Soldering PCBs Tagged electronics OSHStencils PCB stencil 1 Comment Search for Recent Comments robert on YauDL Y et a nother u seless D ummy L oad Andrew Duckworth on YauDL Y et a nother u seless D ummy L oad robert on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Serhii on YOUYUE 858D hotair station BLDC Fan speed mod Archives Archives Select Month January 2016 1 December 2015 2 November 2015 3 October 2015 2 September 2015 10 July 2015 4 June 2015 5 May 2015 2 April 2015 5 March 2015 3 February 2015 2 January 2015 1 December 2014 2 November 2014 2 October 2014 3 September 2014 1 August 2014 2 July 2014 2 June 2014 2 May 2014 2 April 2014 4 March 2014 3 February 2014 2 January 2014 1 December 2013 3 November 2013 6 October 2013 3 August 2013 3 July 2013 2 June 2013 6 May 2013 6 February 2013 2 January 2013 5 December 2012 1 August 2012 2 July 2012 7 June 2012 6 May 2012 5 April 2012 6 March 2012 2 February 2012 1 January 2012 3 December 2011 5 October 2011 2 September 2011 1 August 2011 1 July 2011 3 June 2011 1 March 2011 2 February 2011 5 January 2011 2 December 2010 3 November 2010 2 October 2010 1 September 2010 1 July 2010 2 June 2010 2 May 2010 4 March 2010 2 February 2010 2 January 2010 2 December 2009 6 November 2009 1 October 2009 2 September 2009 1 August 2009 4 July 2009

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/electronics/ (2016-02-10)
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