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diff --git a/docs/week_02.html b/docs/week_02.html
index a9330a4fd77ac11ac71fb62de46b788bbefae393..29e493e6f64518159e6b4282b5dfceff064d846a 100644
--- a/docs/week_02.html
+++ b/docs/week_02.html
@@ -238,16 +238,16 @@
</div>
</div>
</div>
- <p> <a href="Files/AutoCAD/AutoCAD.dwg">AutoCAD</a> </p>
- <p> <a href="Files/FreeCAD/Sample1.FCStd">Sample1</a> </p>
- <p> <a href="Files/FreeCAD/Wheel Gear.FCStd">Wheel Gear</a> </p>
- <p> <a href="Files/GIMP/Fablab.xcf">Fablab</a> </p>
- <p> <a href="Files/Inkscape/Coffee.svg">Coffee</a> </p>
- <p> <a href="Files/Inkscape/USB Flash Disk.svg">USB Flash Disk</a> </p>
- <p> <a href="Files/UG/adapting piece.prt">adapting piece</a> </p>
- <p> <a href="Files/UG/five-pointed star.prt">five-pointed star</a> </p>
- <p> <a href="Files/UG/Sketch function.prt">Sketch function</a> </p>
- <p> <a href="Files/UG/3C.stp">3C</a> </p>
+ <p> <a href="Files/AutoCAD/AutoCAD.dwg">AutoCAD_AutoCAD</a> </p>
+ <p> <a href="Files/FreeCAD/Sample1.FCStd">FreeCAD_Sample1</a> </p>
+ <p> <a href="Files/FreeCAD/Wheel Gear.FCStd">FreeCAD_Wheel Gear</a> </p>
+ <p> <a href="Files/GIMP/Fablab.xcf">GIMP_Fablab</a> </p>
+ <p> <a href="Files/Inkscape/Coffee.svg">Inkscape_Coffee</a> </p>
+ <p> <a href="Files/Inkscape/USB Flash Disk.svg">Inkscape_USB Flash Disk</a> </p>
+ <p> <a href="Files/UG/adapting piece.prt">UG_adapting piece</a> </p>
+ <p> <a href="Files/UG/five-pointed star.prt">UG_five-pointed star</a> </p>
+ <p> <a href="Files/UG/Sketch function.prt">UG_Sketch function</a> </p>
+ <p> <a href="Files/UG/3C.stp">UG_3C</a> </p>
</div>
</div>
<!-- Testimonials Section
diff --git a/docs/week_03.html b/docs/week_03.html
index f795dc651b7653e81899938000c5e5f6697be908..ae13cb5d5d5d27380345795b40c7de29dbdcda1d 100644
--- a/docs/week_03.html
+++ b/docs/week_03.html
@@ -189,7 +189,8 @@
</p>
<img src="img/week_03/Picture03.jpg" class="img-responsive" alt="..."><br />
â‘¡ Result of test<br />
- In short simple learning was that to cut material less speed is needed and power should be high. This allow laser to focus at one point allow more material to burn. So the best combination is speed mm/sec and intensity percent.<br />
+ In short simple learning was that to cut material less speed is needed and power should be high. This allow laser to focus at one point allow more material to burn. So the best combination is speed 10mm/sec and intensity 80percent.<br />
+ <img src="img/week_03/Picture29.jpg" class="img-responsive" alt="..."><br />
</p>
<div class="text-center">
<div class="section-title center" >
@@ -204,15 +205,78 @@
<img src="img/week_03/Picture04.jpg" class="img-responsive" alt="..."><br />
â‘¢ Result of test<br />
The kerf calculation and result for each material below:<br />
- A. The Tilia plana 1.5mm:<br />
- <br />
- B. The acrylic plate 3mm: <br />
- <br />
- C. MDF 3mm: <br />
- <br />
- D. bicolor board 3mm: <br />
- <br />
- </p>
+ A. The Tilia plana 1.5mm: kerf=(A-B)/1= (100.81-98.30)/11=0.228mm</p>
+ <div class="row">
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture30.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture31.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture32.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ </div>
+ <p>B. The acrylic plate 3mm: kerf=(A-B)/1= (100.39-99.19)/11=0.109mm</p>
+ <div class="row">
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture33.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture34.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture35.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ </div>
+ <p>C. MDF 3mm: kerf=(A-B)/1= (103.15-100.83)/11=0.211mm</p>
+ <div class="row">
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture36.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture37.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture38.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ </div>
+ <p>D. bicolor board 3mm: kerf=(A-B)/1= (101.34-97.69)/11=0.332mm</p>
+ <div class="row">
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture39.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture40.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture41.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ </div>
<div class="text-center">
<div class="section-title center" >
<p><strong>The tests of parametric press-fit construction kit</strong></p>
@@ -227,8 +291,49 @@
<img src="img/week_03/Picture07.jpg" class="img-responsive" alt="..."><br />
<img src="img/week_03/Picture08.jpg" class="img-responsive" alt="..."><br />
â‘¢ Cutting<br />
- <br />
</p>
+ <div id="lightbox" class="row">
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture42.jpg" class="img-responsive" alt="..."><br />
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture44.jpg" class="img-responsive" alt="..."><br />
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture45.jpg" class="img-responsive" alt="..."><br />
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture43.jpg" class="img-responsive" alt="..."><br />
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture46.jpg" class="img-responsive" alt="..."><br />
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture47.jpg" class="img-responsive" alt="..."><br />
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture48.jpg" class="img-responsive" alt="..."><br />
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture49.jpg" class="img-responsive" alt="..."><br />
+ </div>
+ </div>
+ </div>
<div class="text-center">
<div class="section-title center" >
<p><strong>The tests of Etching</strong></p>
@@ -237,15 +342,69 @@
<p>
â‘ Design<br />
First of all, download picture Which describe the administrative building and the school badge of Sichuan University from the Internet. Then use the software of photoshop to edit photo. In the end of all, edit program of the laser cutter.<br />
- <img src="img/week_03/Picture09.jpg" class="img-responsive" alt="..."><br />
- <img src="img/week_03/Picture10.jpg" class="img-responsive" alt="..."><br />
- <img src="img/week_03/Picture11.jpg" class="img-responsive" alt="..."><br />
+ <div id="lightbox" class="row">
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture09.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture10.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture11.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ </div>
â‘¡ Cutting<br />
- <img src="img/week_03/Picture12.jpg" class="img-responsive" alt="..."><br />
- <img src="img/week_03/Picture13.jpg" class="img-responsive" alt="..."><br />
- <img src="img/week_03/Picture14.jpg" class="img-responsive" alt="..."><br />
+ <div id="lightbox" class="row">
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture12.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture13.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture14.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ </div>
</p>
- <br />
+ <div class="text-center">
+ <div class="section-title center" >
+ <p><strong>Comprehensive Test</strong></p>
+ </div>
+ </div>
+ <div id="lightbox" class="row">
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture50.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture51.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture52.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture53.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ </div>
<div class="text-center">
<div class="section-title center" >
<h2><strong>Parametric press-fit construction kit</strong></h2>
@@ -290,9 +449,31 @@
<img src="img/week_03/Picture21.jpg" class="img-responsive" alt="..."><br />
⑤ Connect the machine to the laptop using the USB wire.<br />
â‘¥ Set the origin.<br />
+ <img src="img/week_03/Picture54.jpg" class="img-responsive" alt="..."><br />
⑦ Check the cutting parameter by clicking “Go scale†option.<br />
⑧ Click on “Startâ€.<br />
- <br />
+ <div class="row">
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture55.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture56.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture57.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture58.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ </div>
</p>
<br />
<div class="text-center">
@@ -351,11 +532,24 @@
</div>
</div>
<p>
- To test the vinyl cutting machine I decided to think in a logo to decorate my lab. Here is the own design I prepared and used:<br />
- <img src="img/week_03/Picture23.jpg" class="img-responsive" alt="..."><br />
- <img src="img/week_03/Picture24.jpg" class="img-responsive" alt="..."><br />
- <img src="img/week_03/Picture25.jpg" class="img-responsive" alt="..."><br />
- </p>
+ To test the vinyl cutting machine I decided to think in a logo to decorate my lab. Here is the own design I prepared and used:</p>
+ <div class="row">
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture23.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture24.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture25.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ </div>
<div class="text-center">
<div class="section-title center" >
<h4><strong>Cutting</strong></h4>
@@ -369,11 +563,24 @@
Speed: It is important to configure it looking at the material and the design. If it is a complicated design is better to set a low speed to not peel the paper by error.<br />
Force: It depends on the material and hardness, if you set a too high force it will stick out the vinyl and mess up your design. <br />
Passes: In most of the cases with one pass it will work fine, but sometimes it could help to ensure that the cut is done.<br />
- When it cut done, I pasted the picture on the KT board. So here are them look like.<br />
- <img src="img/week_03/Picture26.jpg" class="img-responsive" alt="..."><br />
- <img src="img/week_03/Picture27.jpg" class="img-responsive" alt="..."><br />
- <img src="img/week_03/Picture28.jpg" class="img-responsive" alt="..."><br />
- </p>
+ When it cut done, I pasted the picture on the KT board. So here are them look like.</p>
+ <div class="row">
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture26.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture27.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_03/Picture28.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ </div>
<div class="text-center">
<div class="section-title center" >
@@ -383,14 +590,14 @@
</div>
</div>
</div>
- <p> <a href="Files/AutoCAD/comb 1.5mm.dxf">comb 1.5mm</a> </p>
- <p> <a href="Files/AutoCAD/comb 3.0mm.dxf">comb 3.0mm</a> </p>
- <p> <a href="Files/AutoCAD/Kerf test.dxf">Kerf test</a> </p>
- <p> <a href="Files/AutoCAD/Parametric press-fit construction kit.dxf">Parametric press-fit construction kit</a> </p>
- <p> <a href="Files/Inkscape/file1.svg">file1</a> </p>
- <p> <a href="Files/Inkscape/file2.svg">file2</a> </p>
- <p> <a href="Files/Inkscape/file3.svg">file3</a> </p>
- <p> <a href="Files/UG/Parametric press-fit construction kit.prt">Parametric press-fit construction kit</a> </p>
+ <p> <a href="Files/AutoCAD/comb 1.5mm.dxf">AutoCAD_comb 1.5mm</a> </p>
+ <p> <a href="Files/AutoCAD/comb 3.0mm.dxf">AutoCAD_comb 3.0mm</a> </p>
+ <p> <a href="Files/AutoCAD/Kerf test.dxf">AutoCAD_Kerf test</a> </p>
+ <p> <a href="Files/AutoCAD/Parametric press-fit construction kit.dxf">AutoCAD_Parametric press-fit construction kit</a> </p>
+ <p> <a href="Files/Inkscape/file1.svg">Inkscape_file1</a> </p>
+ <p> <a href="Files/Inkscape/file2.svg">Inkscape_file2</a> </p>
+ <p> <a href="Files/Inkscape/file3.svg">Inkscape_file3</a> </p>
+ <p> <a href="Files/UG/Parametric press-fit construction kit.prt">UG_Parametric press-fit construction kit</a> </p>
</div>
</div>
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diff --git a/docs/week_04.html b/docs/week_04.html
new file mode 100644
index 0000000000000000000000000000000000000000..7a9ea00f2c06f09aa5f1ef73ffe5e1363b40dd8e
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+++ b/docs/week_04.html
@@ -0,0 +1,437 @@
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+ <h1><strong><span class="color">week_04</span></strong></h1>
+ <p class="lead"><strong>Electronics production</strong></p>
+ <a href="#tf-services" class="fa fa-angle-down page-scroll"></a>
+ </div>
+ </div>
+ </div>
+
+ <!-- Services Section
+ ==========================================-->
+ <div id="tf-services">
+ <div class="container">
+ <div class="text-center">
+ <div class="section-title center" >
+ <h2><strong>Objectives</strong></h2>
+ <div class="line">
+ <hr>
+ </div>
+ </div>
+ </div>
+ <ul class="about-list" class="pull-left">
+ <li>
+ <span class="fa fa-dot-circle-o"></span>
+ <strong>1)</strong> - <em>Master the method of using engraving machine to make circuit board independently.</em>
+ </li>
+ <li>
+ <span class="fa fa-dot-circle-o"></span>
+ <strong>2)</strong> - <em>Understand the testing and debugging of the circuit board.</em>
+ </li>
+ </ul>
+ <br />
+ <div class="text-center">
+ <div class="section-title center" >
+ <h2><strong>Assignments</strong></h2>
+ <div class="line">
+ <hr>
+ </div>
+ </div>
+ </div>
+ <ul class="about-list">
+ <li>
+ <span class="fa fa-dot-circle-o"></span>
+ <strong>1)</strong> - <em>Group assignment: characterize the design rules for your PCB production process.</em>
+ </li>
+ <li>
+ <span class="fa fa-dot-circle-o"></span>
+ <strong>2)</strong> - <em>Individual assignment: make an in-circuit programmer by milling and stuffing the PCB, test it, then optionally try other PCB processes.</em>
+ </li>
+ </ul>
+ <br />
+ <div class="text-center">
+ <div class="section-title center" >
+ <h2><strong>Characterize the design rules for PCB production process</strong></h2>
+ <div class="line">
+ <hr>
+ </div>
+ </div>
+ </div>
+ <p>For this week’s group assignment, I had to characterize the specification of my PCB production process on our small CNC milling machine (Roland SRM-20).</p>
+ <br />
+ <div class="text-center">
+ <div class="section-title center" >
+ <h4><strong>Roland SRM 20</strong></h4>
+ <div class="line">
+ <hr>
+ </div>
+ </div>
+ </div>
+ <p>The machine in my lab is Roland SRM-20, The Machine Specs are as follows:</p>
+ <li>
+ <span class="fa fa-dot-circle-o"></span>
+ <strong>Work Envelope: </strong> - <em>X axial: 200mm, Y axial: 150mm, Z axial: 50mm;</em>
+ </li>
+ <li>
+ <span class="fa fa-dot-circle-o"></span>
+ <strong>Speed: </strong> - <em>~8000 RPM;</em>
+ </li>
+ <li>
+ <span class="fa fa-dot-circle-o"></span>
+ <strong>Default collet size: </strong> - <em>~6mm;</em>
+ </li>
+ <div class="row">
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_04/Picture01.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ <div class="col-sm-6 col-md-3 col-lg-3 branding">
+ <div class="portfolio-item">
+ <img src="img/week_04/Picture02.jpg" class="img-responsive" alt="...">
+ </div>
+ </div>
+ </div>
+ </p>
+ <div class="text-center">
+ <div class="section-title center" >
+ <h4><strong>G-code</strong></h4>
+ <div class="line">
+ <hr>
+ </div>
+ </div>
+ </div>
+ <p>
+ I have learned <a href="http://fabmodules.org/">the tool</a> that help to convert monochrome PNG file into G-code, and also I have learned the software of NX UG. The main requirement is that there should either black or white parts of on the picture. The white parts will be stay, and the black parts will be cut out by the mill. Therefore, it is important to keep the distance between significant enough so that the endmill can go between two white parts.<br />
+ â‘ Choose select PNG file. I loaded my picture of my mill traces.<br />
+ <img src="img/week_04/Picture03.jpg" class="img-responsive" alt="..."><br />
+ â‘¡ Choose the output format, as roland mill. Then I clicked on the third labeled option mill traces 1/64.<br />
+ <img src="img/week_04/Picture04.jpg" class="img-responsive" alt="..."><br />
+ â‘¢ Then, I go to the box that is label as Roland SRM-20 milling machine. This boxes label as X, Y, Z axial are very important. So, some of the setting selected for the PCB traces are:<br />
+ <li>
+ <span class="fa fa-dot-circle-o"></span>
+ <strong>Origin: </strong> <em>X axial =10, Y axial=10, Z axial=0.</em>
+ </li>
+ <li>
+ <span class="fa fa-dot-circle-o"></span>
+ <strong>Z Jog: </strong> <em>3mm (means that the machine will lift the tool 3mm while not cutting).</em>
+ </li>
+ <li>
+ <span class="fa fa-dot-circle-o"></span>
+ <strong>Cut Depth: </strong> <em>0.1mm.</em>
+ </li>
+ <li>
+ <span class="fa fa-dot-circle-o"></span>
+ <strong>Offset-overlap: </strong> <em>50%.</em>
+ </li>
+ <li>
+ <span class="fa fa-dot-circle-o"></span>
+ <strong>number of offsets: </strong> <em>-1.</em>
+ </li>
+ <img src="img/week_04/Picture05.jpg" class="img-responsive" alt="..."><br />
+ â‘£ I go to click on calculate. This option calculated my toolpath for the machine to raster my trace.<br />
+ <img src="img/week_04/Picture06.jpg" class="img-responsive" alt="..."><br />
+ ⑤ Finally, The machine is ready now just click send and the machine will start to cut.<br />
+ <br />
+ </p>
+ <div class="text-center">
+ <div class="section-title center" >
+ <h4><strong>Sacrificial layer</strong></h4>
+ <div class="line">
+ <hr>
+ </div>
+ </div>
+ </div>
+ <p>What you put on top of the machine in order not to break the tool. It is located on top of the work plate to protect the tool. Also, the Sacrificial layer needs to be level, otherwise when you are cutting your circuit it won't cut the deepness to the same level. So, I milling the sacrificial layer with a 6mm endmill to ensure the plane level.</p>
+ <img src="img/week_04/Picture07.jpg" class="img-responsive" alt="..."><br />
+ <div class="text-center">
+ <div class="section-title center" >
+ <h4><strong>Result</strong></h4>
+ <div class="line">
+ <hr>
+ </div>
+ </div>
+ </div>
+ <p>This is the result of the test:<br />
+ <br />
+ </p>
+ <div class="text-center">
+ <div class="section-title center" >
+ <h2><strong>Individual assignment</strong></h2>
+ <div class="line">
+ <hr>
+ </div>
+ </div>
+ </div>
+ <p>I choose the model of <a href="http://fab.cba.mit.edu/classes/863.16/doc/projects/ftsmin/index.html">Brian</a> with consist of Attiny45 microcontroller from Atmel, nowadays from Microchip.The model of Brain needed materials are:</p>
+ <div class="text-center">
+ <div class="section-title center" >
+ <em>
+ 1x ATtiny45 or ATtiny85<br />
+ 2x 1kΩ resistors<br />
+ 2x 499Ω resistors<br />
+ 2x 49Ω resistors<br />
+ 2x 3.3v zener diodes<br />
+ 1x red LED<br />
+ 1x green LED<br />
+ 1x 100nF capacitor<br />
+ 1x 2x3 pin header<br />
+ </em>
+ </div>
+ </div>
+ <p>The schematic and PCB board are:</p>
+ <img src="img/week_04/Picture08.jpg" class="img-responsive" alt="..."><br />
+ <div class="text-center">
+ <div class="section-title center" >
+ <h4><strong>G-code</strong></h4>
+ <div class="line">
+ <hr>
+ </div>
+ </div>
+ </div>
+ <p>
+ â‘ Used <a href="http://fabmodules.org/"> Fab Modules</a>. First, I download the traces image from <a href="http://fab.cba.mit.edu/classes/863.16/doc/projects/ftsmin/index.html">Website</a>. Then I imported the traces image, the image is in PNG format, with only black and white lines.<br />
+ <img src="img/week_04/Picture9.jpg" class="img-responsive" alt="..."><br />
+ â‘¡ I Choose the output format, as roland mill. Then, I choose the process, which is milling the traces.<br />
+ <img src="img/week_04/Picture10.jpg" class="img-responsive" alt="..."><br />
+ ③ I choose the machine’s model I’m using for milling, which is SRM-20. I also need to zero point of the endmill by adjusting the values of the X axial and Y axial. The toolpath was generated for an offset of 4, which is the number of times the endmill will be milling the copper around the trace.. I finally press calculate to generate the toolpath and save the toolpath code.<br />
+ <img src="img/week_04/Picture11.jpg" class="img-responsive" alt="..."><br />
+ â‘£ Then, I will import the outline image to Fab Modules. I repeat the process as above but this time I choose the outline process instead of the traces process.<br />
+ <img src="img/week_04/Picture12.jpg" class="img-responsive" alt="..."><br />
+ </p>
+ <div class="text-center">
+ <div class="section-title center" >
+ <h4><strong>Milling</strong></h4>
+ <div class="line">
+ <hr>
+ </div>
+ </div>
+ </div>
+ <p>
+ â‘ I fix the PCB to the milling machine plate use double side tape. I need to make sure that tape layer is smooth with no wrinkles. The surface of the material must be parallel to the x and y-axis of the machine.<br />
+ <img src="img/week_04/Picture19.jpg" class="img-responsive" alt="..."><br />
+ <img src="img/week_04/Picture20.jpg" class="img-responsive" alt="..."><br />
+ â‘¡ I used a 0.4mm endmill to engrave the traces on the material surface and a 0.8mm endmill to cut through the material.<br />
+ <img src="img/week_04/Picture21.jpg" class="img-responsive" alt="..."><br />
+ â‘¢ First, I need measure the workpiece coordinate system, that is setting the origin of X axial, Y axial and Z axial(the method of try cutting).<br />
+ <img src="img/week_04/Picture22.jpg" class="img-responsive" alt="..."><br />
+ <img src="img/week_04/Picture23.jpg" class="img-responsive" alt="..."><br />
+ <img src="img/week_04/Picture24.jpg" class="img-responsive" alt="..."><br />
+ <img src="img/week_04/Picture25.jpg" class="img-responsive" alt="..."><br />
+ â‘£ Click on Cut to output the file to the miller. You are all set. <br />
+ <br />
+ ⑤ Remove the material from the material bed slowly with a palette knife. Then remove the double-sided tape on the back of the material. Then, clean the copper face of the board with alcohol to retrieve traces of grease.<br />
+ <br />
+ </p>
+ <div class="text-center">
+ <div class="section-title center" >
+ <h4><strong>Soldering</strong></h4>
+ <div class="line">
+ <hr>
+ </div>
+ </div>
+ </div>
+ <p>
+ â‘ Wet the sponge for cleaning the tip of the heater.<br />
+ <img src="img/week_04/Picture13.jpg" class="img-responsive" alt="..."><br />
+ â‘¡ Cut the a piece of solder from the roll to work better with it. My solder should not be thick particularly for this project, because it is a small component.<br />
+ <img src="img/week_04/Picture14.jpg" class="img-responsive" alt="..."><br />
+ ③ Start with soldering the components from starting from the middle of the board (ATtiny45), then I go to the next near to the board’s exterior. I must note the components that installed in the correct orientation:<br />
+ A. The zener diodes are marked, both in the drawing and on the packages, with a line on the cathode side.<br />
+ B. The LED cathodes on the PCB drawing are marked with dots and thicker lines. Package marking conventions differ between LED manufacturers, but there is usually a green or black line visible on the cathode side of the epoxy lens. Some LEDs have an extra copper marker on their cathode pad on the bottom. Some print a small arrow on the bottom, which corresponds to the schematic symbol: the arrow points towards the cathode. If in doubt, you can use a multimeter in the diode check mode; the LED will glow slightly when the red probe is on the anode and the black probe is on the cathode (this is also useful for determining color).<br />
+ C. The ATtiny45 marks pin 1 with a dot laser-etched into the corner of the package. Pin 1 is marked in the drawing with a dot as well.<br />
+ <br />
+ â‘£ Final Product<br />
+ <br />
+ </p>
+ <div class="text-center">
+ <div class="section-title center" >
+ <h4><strong>Programing ISP (Windows)</strong></h4>
+ <div class="line">
+ <hr>
+ </div>
+ </div>
+ </div>
+ <p>
+ I followed the routine on <a href="http://fab.cba.mit.edu/classes/863.16/doc/projects/ftsmin/windows_avr.html">Brian’s page</a>.<br />
+ â‘ Install the Atmel GNU Toolchain. <br />
+ Download the Atmel AVR Toolchain for Windows from Atmel's site and run the installer.<br />
+ <br />
+ â‘¡ Install GNU Make.<br />
+ Download Gnu Make and launch the installer. Accept the default location for the installation.<br />
+ <img src="img/week_04/Picture15.jpg" class="img-responsive" alt="..."><br />
+ â‘¢ Install abrdude.<br />
+ Unzip the archive, and copy the archive inside to C:\Program Files.<br />
+ <br />
+ â‘£ Update my PATH.<br />
+ Now we need to tell Windows where to locate all of the tools you've just installed when you type their names on the command line. Go to the Start menu and open the Control Panel, then go to System. From the left pane, choose "Advanced System Settings". Under the Advanced tab, click the "Environment Variables" button.<br />
+ <img src="img/week_04/Picture16.jpg" class="img-responsive" alt="..."><br />
+ The three values to add are:<br />
+ C:\Program Files\avr8-gnu-toolchain\bin<br />
+ D:\Program Files (x86)\GnuWin32\bin<br />
+ C:\Program Files\avrdude<br />
+ <img src="img/week_04/Picture17.jpg" class="img-responsive" alt="..."><br />
+ <img src="img/week_04/Picture18.jpg" class="img-responsive" alt="..."><br />
+ ⑤ Install Drivers for my Programmer<br />
+ Download Zadig and launch it. Plug in your programmer, and select the "USBtinySPI" device in the list. (If it doesn't show up, go to the Options menu and click "List All Devices". The driver you want to install (to the right of the green arrow) is either libusb-win32 or libusb0. Click the "Install Driver" button. You should only have to do this once.<br />
+ <br />
+ â‘¥ Sanity Check<br />
+ Everything is now installed. Let's check that it all works.Go to the start menu and search for "Git Bash" and start it. When you see instructions telling you to open your terminal in other tutorials, this is the terminal window you should use. Check to make sure that the commands we installed work okay.<br />
+ <br />
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