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Dev board (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on http://www.latticesemi.com/view_document?document_id=213 Lattice caBGA-756, ECP5 FPGAs, 27.0x27.0mm, 756 Ball, 32x32 Layout, 0.8mm Pitch, http://www.latticesemi.com/view_document?document_id=213 WLCSP-16 2.225x2.17mm, 2.17x2.225mm, 16 Ball, 4x4 Layout, 0.5mm Pitch, https://www.ti.com/lit/ds/symlink/sn74lvc1g17.pdf#page=42, https://www.ti.com/lit/ml/mxbg018l/mxbg018l.pdf BGA 5 0.5 YZP Texas Instruments, DSBGA, 1.36x1.86mm, 10 bump 3x4 (perimeter) array, NSMD pad definition Appendix A BGA 900 1 FF900 FFG900 FFV900 FF901 FFG901 FFV901 Artix-7, Kintex-7 and Zynq-7000 BGA, 26x26 grid, 27x27mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=275, NSMD pad definition Appendix A Virtex-7 BGA, 44x44 grid, 45x45mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=95, NSMD pad definition Appendix A BGA 400 0.8 CLG400 CL400 Zynq-7000 BGA, 22x22 grid, 19x19mm package, 0.8mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=78, NSMD pad definition Appendix A Kintex-7 BGA, 30x30 grid, 31x31mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=307, NSMD pad definition (http://www.ti.com/lit/ds/symlink/ts5a3159a.pdf Texas Instruments EUK 7 Pin (https://b2b-api.panasonic.eu/file_stream/pids/fileversion/2787), generated with kicad-footprint-generator JST XH series connector, SM02B-LEASS-TF (http://www.jst-mfg.com/product/pdf/eng/eLEA.pdf), generated with kicad-footprint-generator Soldered wire connection with double feed through strain relief, for a few comics; standardized appending alt/title text under images (extra useful for non-browser users if (preg_match("@.*(get_img_tags($xpath, '(//div[@id="comic"]//img)', $article); $article['content'] .= "
Error processing via _comics plugin!" . $e->getMessage(); } } // Pain Train (to get alt tags) elseif (strpos($article['link'], 'gunnerkrigg.com/?p') !== FALSE) { $doc = new DOMXpath($doc); $bread = $xpath->query("//a[contains(@href, 'bonus-panel')]")->item(0); $bread_page_url = $bread->getAttribute('href'); $xpath = $this->get_xpath_dealie($article['link']); // $xpath = new DOMDocument(); $doc->loadHTML($html); $xpath = $this->get_xpath_dealie($article['link']); $article['content'] = $this->get_img_tags($xpath, '//p[@class="Maintext"]//img[contains(@src, "joyimages")]', $article); } // Invisible Bread (make the bread visible elseif (strpos($article['content'], 'www.asofterworld.com/index.php?id') !== FALSE ) { $xpath = new DOMDocument(); $doc->loadHTML($article['content']); $xpath = $this->get_xpath_dealie($article['link']); $article['content'] = $this->get_img_tags($xpath, "//div[@id='comic']//img", $article); } // Scenes From A Multiverse (to get alt tags) elseif (strpos($article['link'], 'http://www.geekculture.com/joyoftech/') !== FALSE) { if (strpos($article["content"], "bonus panel!") !== FALSE) { strpos($article["title"], "Comic:") !== FALSE) { // $xpath = $this->get_xpath_dealie($article['link']); $article['content'] = $this->get_img_tags($xpath, "//div[@id='comic']//img", $article); } achewood, gwss fix, fix for when invisiblebread has no bread $article['content'] = $img_tag . $article['content']; } // PhD Unknown elseif (strpos($article["link"], "trenchescomic.com/comic/post/") !== FALSE ) { $xpath = $this->get_xpath_dealie($article['link']); $article['content'] = preg_replace("@@", '', $article['content']); } // draw panel, subtract holes union() { cube([board_width, board_height, thickness]); cylinder(thickness+standoff_height, r=standoff_radius, $fn=360); cylinder(h=thickness+standoff_height.

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