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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Piotr Esden-Tempski @esden@chaos.social‏ @esden 15 Jun 2019
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      Glasgow solder paste applied! :)pic.twitter.com/yuBK4ggeWF

      2 replies 0 retweets 10 likes
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    2. Piotr Esden-Tempski @esden@chaos.social‏ @esden 15 Jun 2019
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      I forgot to check that the orientations of the PnP placed parts are correct. I am glad I remembered, it turns out all the LED are 180º off. I wish there was an orientation standard. :/ (I am placing high placement count parts with the PnP the rest by hand.)pic.twitter.com/u14Vw1Npie

      2 replies 0 retweets 7 likes
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    3. Piotr Esden-Tempski @esden@chaos.social‏ @esden 15 Jun 2019
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      Ok we are in business! Placing parts on the top side of the Glasgow revC1! :)pic.twitter.com/zdiv56Nj27

      2 replies 0 retweets 14 likes
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    4. Piotr Esden-Tempski @esden@chaos.social‏ @esden 15 Jun 2019
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      The PnP parts are placed! Now on to manual placement. :Dpic.twitter.com/kA4woP9wi5

      1 reply 0 retweets 7 likes
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    5. Piotr Esden-Tempski @esden@chaos.social‏ @esden 15 Jun 2019
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      Ok, all ceramic capacitors and resistors placed! The Glasgow has a lot of unique resistor values...pic.twitter.com/TsItrRvEzJ

      1 reply 0 retweets 11 likes
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    6. Piotr Esden-Tempski @esden@chaos.social‏ @esden 15 Jun 2019
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      All LEDs and single diodes placed! :D I like the look of the pink and white phosphors on the user LEDs. :Dpic.twitter.com/BXGaquCUaH

      1 reply 0 retweets 12 likes
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    7. Piotr Esden-Tempski @esden@chaos.social‏ @esden 15 Jun 2019
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      Finally placing one of the two brains of the Glasgow. @lattice iCE40HX8K FPGA! The fact that it has an open source toolchain is what makes the whole project work. Te framework synthesizes new bitstreams on the fly! Imagine installing a proprietary toolchain to use a debug tool...pic.twitter.com/RVhR2NBRDg

      2 replies 1 retweet 13 likes
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    8. Piotr Esden-Tempski @esden@chaos.social‏ @esden 15 Jun 2019
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      Finally! Many hours later all parts are placed on the Glasgow! I forget how much slower the meatbag PnP is compared to the real one. If only the setup of the real PnP would be less time consuming I would use it for prototypes too. I did save some time doing a "hybrid" approach :Dpic.twitter.com/phZUnXE8p5

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    9. Piotr Esden-Tempski @esden@chaos.social‏ @esden 15 Jun 2019
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      And done with reflow! Say hello to some shiny freshly baked Glasgow revC1 babies! :Dpic.twitter.com/K0etfW6awh

      3 replies 1 retweet 12 likes
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    10. Tom Keddie‏ @tom_keddie 15 Jun 2019
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      Replying to @esden

      The black on white looks really nice do you know if this is how it was intended? Mine are green on white, boring.

      2 replies 0 retweets 0 likes
      Hector Martin‏ @marcan42 15 Jun 2019
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      Replying to @tom_keddie @esden

      We didn't specify silkscreen color, but the art on the back side is intended for light-on-dark silkscreen, so black on white looks weird (but kind of funny).

      10:11 PM - 15 Jun 2019
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        1. Piotr Esden-Tempski @esden@chaos.social‏ @esden 15 Jun 2019
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          Replying to @marcan42 @tom_keddie

          I see! For the main production I will either have to redraw the picture using only outlines so that it works on dark and light backgrounds. (I do like the white boards a lot) or drop her from the boards as there might be a copyright issue anyways. It is not set in stone yet.

          1 reply 0 retweets 0 likes
        2. Hector Martin‏ @marcan42 15 Jun 2019
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          Replying to @esden @tom_keddie

          I can swap the colors/fills to make the image work on reversed colors, then we'd have two versions of that Gerber depending on silk color :-)

          1 reply 0 retweets 2 likes
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