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  • BLDC | My 2µF
    job e g using a digital one shot to Continue reading Posted in Electronics Tagged 858D BLDC commutation fan mod speed youyue 15 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

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/bldc/ (2016-02-10)
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  • commutation | My 2µF
    job e g using a digital one shot to Continue reading Posted in Electronics Tagged 858D BLDC commutation fan mod speed youyue 15 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

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/commutation/ (2016-02-10)
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  • fan | My 2µF
    was having a problem with computer server fans These things can get insanely loud think vacuum cleaner on maximum power Some of the 40x40mm models spin up Continue reading Posted in Electronics Tagged 3 wire fan signal spoof tacho 2 Comments YOUYUE 858D hotair station reverse engineering 6 Posted on March 10 2014 by robert Adding some more stuff is always fun Posted in Arduino Soldering PCBs Tagged current fan resistor sense shunt youyue 31 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

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/fan/ (2016-02-10)
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  • mod | My 2µF
    Electronics Tagged DC DC KIS 3R33S mod power supply Leave a comment Small project 10 IKEA Samtid reading light upgrade Posted on June 22 2014 by robert Yet another reincarnation of a PT4115 based LED lamp This time I chose to add a micro controller to the mix No not an ATtiny13 but an ATtiny45 as it contains a much desired feature for this job high frequency PWM Continue reading Posted in Electronics Tagged IKEA light mod reading Samtid upgrade Leave a 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

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/mod/ (2016-02-10)
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  • speed | My 2µF
    job e g using a digital one shot to Continue reading Posted in Electronics Tagged 858D BLDC commutation fan mod speed youyue 15 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

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/speed/ (2016-02-10)
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  • youyue | My 2µF
    hopefully the last post in this little hot air station series I ve opened and closed that device far too often and popped out the chip multiple times in each instance You see the designer failed to add a Continue reading Posted in Arduino Soldering PCBs Tagged firmware PID youyue 3 Comments YOUYUE 858D hotair station reverse engineering 3 Posted on November 29 2013 by robert After tweaking some control loop parameters and adding a hard limit for the temperature heater cut off resetting the error term effectively restarting the loop the massive temperature overshoots are a thing of the past I declare this a success Some Continue reading Posted in Arduino Soldering PCBs Tagged control firmware hot air loop overshoot youyue 2 Comments YOUYUE 858D hotair station reverse engineering 2 Posted on November 28 2013 by robert In part one I dealt with the very basics fan control buttons and the display Now it is time to attack the business end of this device Safety warning disclaimer Please understand that operating a device powered by line voltage Continue reading Posted in Arduino Soldering PCBs Tagged control firmware PD youyue 8 Comments YOUYUE 858D hotair station reverse engineering 1 Posted on November 25 2013 by robert The YOUYUE 858D I have in my possession uses an AVR ATmega8 microcontroller to control the fan speed drive a 7 segment display read 2 buttons and drive the TRIAC via an opto isolator Posted in Arduino Soldering PCBs Tagged firmware hacks hotair station youyue 41 Comments YOUYUE 858D hotair station usage quirks Posted on November 24 2013 by robert In a previous post I had taken a look at the innards of said soldering station Now it is time to see if it is usable I tested it in several ways Posted in Soldering PCBs Tagged hotair review soldering station test youyue Leave a comment YOUYUE 858D hotair station teardown Posted on November 23 2013 by robert This device seems to be a clone of several other branded ones out there The Atten Aoyue 858 come to mind I bought it on ebay for 38 delivered Posted in Soldering PCBs Tagged clone dangerous high voltage hotair SMD teardown youyue 10 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

    Original URL path: http://blog.spitzenpfeil.org/wordpress/tag/youyue/ (2016-02-10)
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  • Error U81 — Panasonic DMR-EX75 repair | My 2µF
    black connector that goes to the brain HDD controller DVD controller is unpolarized Once the device is more or less assembled there is no way to connect it wrong no space but during debugging one could plug it in the other way DMR EX75 U81 issue on avforums DMR EX75 EX85 service manual MD5001T datasheet Repair kit on ebay This entry was posted in Electronics Fix me and tagged capacitor DMR EX75 electrolytic error U81 fix MD5001T panasonic repair soldering Bookmark the permalink Some old 3D design memory lane YOUYUE 858D hotair station BLDC Fan speed mod 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

    Original URL path: http://blog.spitzenpfeil.org/wordpress/2015/10/19/error-u81-panasonic-dmr-ex75-repair/ (2016-02-10)
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  • Fix me. | My 2µF
    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 Floating voltages and bad GND connections getting zapped and worse Posted on August 12 2009 by robert Nothing good can come from a freak idea after mi Wait This time I actually learned something or in more pleasant words I was reminded that there was something about floating power supplies measuring voltages and something called common ground Continue reading Posted in Electronics Fix me Tagged GND measurement 5 Comments Jyetech AVR digital oscilloscope DIY KIT trying to fix it part 2 Posted on August 9 2009 by robert Maybe you remember my last post about the Jyetech oscilloscope and it s weird behaviour Not all of them are strange as the free replacement DIY KIT I received from them works fine At that time I suspected a sick ATmega64 Continue reading Posted in DIY Electronics Fix me Tagged AVR ChipQuik desoldering DSO jyetech rework Seeedstudio SMD soldering 2 Comments Note to self 26 0V 2 60V A short ChipQuik review Posted on August 4 2009 by robert Nothing good can come from a freak idea after midnight Posted in Arduino Electronics Fix me Soldering PCBs Tagged ChipQuik desoldering rework SMD soldering 6 Comments Jyetech AVR digital oscilloscope DIY KIT trying to fix it part 1 Posted on July 12 2009 by robert The symptoms since a firmware upgrade and downgrades re upgrades strange characters on the display for SEC DIV system freezes buttons are ignored but still work physically the ADC chip doesn t get a CLK signal during a freeze My theory The Continue reading Posted in DIY Electronics Fix me Tagged AVR DSO jyetech Seeedstudio soldering 2 Comments Jyetech AVR digital oscilloscope DIY KIT Firmware upgrade odyssey Posted on July 9 2009 by robert I bought the DIY KIT at seeedstudio recently as I needed to feed my soldering obsession Here are some images of the KIT coming right out of the box I had to use my milling machine because the front panel Continue reading Posted in DIY Electronics Fix me Tagged AVR DSO jyetech Seeedstudio soldering 5 Comments Trying to fix the sound of my Sega Game Gear part 2 Posted on February 6 2009 by robert I was lucky It seems the guys at Sega just replaced the 470µF capacitors shown in the reference setup for the TDM2822M dual amplifier with 47µF ones Other people have had problems with these too so I just pulled Continue reading Posted in Electronics Fix me Tagged computer archaeology games good old days hardware sega 3 Comments Trying to fix the sound of my Sega Game Gear part 1 Posted on February 3 2009 by robert Last time I turned it on I didn t get the usual boot up sound of Seeeeegaaaaa There s a little chip next to the earphone plug I haven t checked yet but I suspect it

    Original URL path: http://blog.spitzenpfeil.org/wordpress/category/cat_electronics/cat_fix_me/ (2016-02-10)
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