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+<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"><head><title>Soilpunk Joulethief</title><meta charset="UTF-8"></meta><meta name="generator" content="Hovercraft! 1.0 http://regebro.github.com/hovercraft"></meta><meta name="author" content="Heerko van der Kooij"></meta><link rel="stylesheet" href="css/hovercraft.css" media="all"></link><link rel="stylesheet" href="css/highlight.css" media="all"></link><link rel="stylesheet" href="slides.css" media="screen,projection"></link><script type="text/x-mathjax-config">
+      MathJax.Hub.Config({
+        showProcessingMessages: false,
+        messageStyle: "none",
+        TeX : { extensions : ['color.js'] }
+      });
+    </script></head><body class="impress-not-supported"><div id="impress-help"></div><div class="header"><p>Soilpunk &#x1F30F;&#x1F918; - Joulethief</p></div><div id="impress"><div class="step step-level-1" step="0" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="0" data-y="0" data-z="0"><h1 id="soilpunk-joulethief">Soilpunk - Joulethief</h1><p>This document is viewable as <a href="https://github.com/hackersanddesigners/soilpunk_joulethief_slides/blob/master/slides.rst">a webpage</a> or as <a href="https://hackersanddesigners.github.io/soilpunk_joulethief_slides/html_output/index.html">a slideshow</a></p></div><div class="step step-level-1" step="1" id="joulethief" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="1600" data-y="0" data-z="0"><h1 id="joulethief">Joulethief</h1><img src="./assets/images/joulethief_simple.jpeg"></img></div><div class="step step-level-1" step="2" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="3200" data-y="0" data-z="0"><h1 id="transistor">Transistor</h1><img src="./assets/images/transistor.png" width="300"></img><img src="./assets/images/analogi-transistor-87050130.gif" width="500"></img><p>Water analogy: the little bit of water from B to E opens the gate for the bigger flow from C to E</p></div><div class="step step-level-1" step="3" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="4800" data-y="0" data-z="0"><h1 id="joulethief-1">Joulethief</h1><img src="./assets/images/joulethief.jpeg"></img></div><div class="step step-level-1" step="4" id="joulethief-step1" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="6400" data-y="0" data-z="0"><h1 id="joulethief-2">Joulethief</h1><img src="./assets/images/joulethief_1.png"></img><p>A small current flows from the battery through the coil and the base-emitter path of the transistor. This opens the emittor-collector path of the transistor.</p></div><div class="step step-level-1" step="5" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="8000" data-y="0" data-z="0"><h1 id="joulethief-3">Joulethief</h1><img src="./assets/images/joulethief_2.png"></img><p>Electricity is now able to travel through the second coil and through the collector-emitter channel of the transistor.</p></div><div class="step step-level-1" step="6" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="9600" data-y="0" data-z="0"><h1 id="joulethief-4">Joulethief</h1><img src="./assets/images/joulethief_3.png"></img><p>The increasing amount of electricity through the second coil generates a negative voltage in the first coil.
+An negative voltage is induced in the first coil, which cause the transistor to close.</p></div><div class="step step-level-1" step="7" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="11200" data-y="0" data-z="0"><h1 id="joulethief-5">Joulethief</h1><img src="./assets/images/joulethief_4.png"></img><p>With the transistor closed the energy starts to flow through the output (led).</p></div><div class="step step-level-1" step="8" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="12800" data-y="0" data-z="0"><h1 id="joulethief-6">Joulethief</h1><img src="./assets/images/joulethief_5.png"></img><p>The inductor is now powered by the magnetic field of the coil.</p></div><div class="step step-level-1" step="9" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="14400" data-y="0" data-z="0"><h1 id="joulethief-7">Joulethief</h1><img src="./assets/images/joulethief_6.png"></img><p>When the magnetic field is gone, the whole process <a href="#joulethief-step1">starts over</a>.</p></div><div class="step step-level-1" step="10" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="16000" data-y="0" data-z="0"><h1 id="joulethief-8">Joulethief</h1><p>A more detailed explanation can be found on <a href="https://www.instructables.com/Joule-Thief-Circuit-How-to-Make-and-Circuit-Explan/">instructables</a></p></div><div class="step step-level-1" step="11" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="17600" data-y="0" data-z="0"><h1 id="led">Led</h1><img src="./assets/images/led_polarity.png"></img><p>Make sure to get the LED polarity right. Short leg goes to ground!</p></div><div class="step step-level-1" step="12" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="19200" data-y="0" data-z="0"><h1 id="circuit">Circuit</h1><img src="./assets/images/circuit.png"></img><p><a href="https://github.com/hackersanddesigners/Soilpunk_joulethief">https://github.com/hackersanddesigners/Soilpunk_joulethief</a></p></div></div><script type="text/javascript" src="js/impress.js"></script><script type="text/javascript" src="js/gotoSlide.js"></script><script type="text/javascript" src="js/hovercraft.js"></script></body></html>
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diff --git a/html_output/index.html b/html_output/index.html
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--- a/html_output/index.html
+++ b/html_output/index.html
@@ -4,5 +4,5 @@
         messageStyle: "none",
         TeX : { extensions : ['color.js'] }
       });
-    </script></head><body class="impress-not-supported"><div id="impress-help"></div><div class="header"><p>Soilpunk &#x1F30F;&#x1F918; - Joulethief</p></div><div id="impress"><div class="step step-level-1" step="0" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="0" data-y="0" data-z="0"><h1 id="soilpunk-joulethief">Soilpunk - Joulethief</h1><p>This document is viewable as <a href="https://github.com/hackersanddesigners/soilpunk_joulethief_slides/blob/master/slides.rst">a webpage</a> or as <a href="https://hackersanddesigners.github.io/soilpunk_joulethief_slides/html_output/index.html">a slideshow</a></p></div><div class="step step-level-1" step="1" id="joulethief" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="1600" data-y="0" data-z="0"><h1 id="joulethief">Joulethief</h1><img src="./assets/images/joulethief_simple.jpeg"></img></div><div class="step step-level-1" step="2" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="3200" data-y="0" data-z="0"><h1 id="transistor">Transistor</h1><img src="./assets/images/transistor.png" width="300"></img><img src="./assets/images/analogi-transistor-87050130.gif" width="500"></img></div><div class="step step-level-1" step="3" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="4800" data-y="0" data-z="0"><h1 id="joulethief-1">Joulethief</h1><img src="./assets/images/joulethief.jpeg"></img></div><div class="step step-level-1" step="4" id="joulethief-step1" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="6400" data-y="0" data-z="0"><h1 id="joulethief-2">Joulethief</h1><img src="./assets/images/joulethief_1.png"></img><p>A small current flows from the battery through the coil and the base-emitter path of the transistor. This opens the emittor-collector path of the transistor.</p></div><div class="step step-level-1" step="5" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="8000" data-y="0" data-z="0"><h1 id="joulethief-3">Joulethief</h1><img src="./assets/images/joulethief_2.png"></img><p>Electricity is now able to travel through the second coil and through the collector-emitter channel of the transistor.</p></div><div class="step step-level-1" step="6" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="9600" data-y="0" data-z="0"><h1 id="joulethief-4">Joulethief</h1><img src="./assets/images/joulethief_3.png"></img><p>The increasing amount of electricity through the second coil generates a negative voltage in the first coil.
+    </script></head><body class="impress-not-supported"><div id="impress-help"></div><div class="header"><p>Soilpunk &#x1F30F;&#x1F918; - Joulethief</p></div><div id="impress"><div class="step step-level-1" step="0" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="0" data-y="0" data-z="0"><h1 id="soilpunk-joulethief">Soilpunk - Joulethief</h1><p>This document is viewable as <a href="https://github.com/hackersanddesigners/soilpunk_joulethief_slides/blob/master/slides.rst">a webpage</a> or as <a href="https://hackersanddesigners.github.io/soilpunk_joulethief_slides/html_output/index.html">a slideshow</a></p></div><div class="step step-level-1" step="1" id="joulethief" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="1600" data-y="0" data-z="0"><h1 id="joulethief">Joulethief</h1><img src="./assets/images/joulethief_simple.jpeg"></img></div><div class="step step-level-1" step="2" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="3200" data-y="0" data-z="0"><h1 id="transistor">Transistor</h1><img src="./assets/images/transistor.png" width="300"></img><img src="./assets/images/analogi-transistor-87050130.gif" width="500"></img><p>Water analogy: the little bit of water from B to E opens the gate for the bigger flow from C to E</p></div><div class="step step-level-1" step="3" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="4800" data-y="0" data-z="0"><h1 id="joulethief-1">Joulethief</h1><img src="./assets/images/joulethief.jpeg"></img></div><div class="step step-level-1" step="4" id="joulethief-step1" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="6400" data-y="0" data-z="0"><h1 id="joulethief-2">Joulethief</h1><img src="./assets/images/joulethief_1.png"></img><p>A small current flows from the battery through the coil and the base-emitter path of the transistor. This opens the emittor-collector path of the transistor.</p></div><div class="step step-level-1" step="5" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="8000" data-y="0" data-z="0"><h1 id="joulethief-3">Joulethief</h1><img src="./assets/images/joulethief_2.png"></img><p>Electricity is now able to travel through the second coil and through the collector-emitter channel of the transistor.</p></div><div class="step step-level-1" step="6" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="9600" data-y="0" data-z="0"><h1 id="joulethief-4">Joulethief</h1><img src="./assets/images/joulethief_3.png"></img><p>The increasing amount of electricity through the second coil generates a negative voltage in the first coil.
 An negative voltage is induced in the first coil, which cause the transistor to close.</p></div><div class="step step-level-1" step="7" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="11200" data-y="0" data-z="0"><h1 id="joulethief-5">Joulethief</h1><img src="./assets/images/joulethief_4.png"></img><p>With the transistor closed the energy starts to flow through the output (led).</p></div><div class="step step-level-1" step="8" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="12800" data-y="0" data-z="0"><h1 id="joulethief-6">Joulethief</h1><img src="./assets/images/joulethief_5.png"></img><p>The inductor is now powered by the magnetic field of the coil.</p></div><div class="step step-level-1" step="9" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="14400" data-y="0" data-z="0"><h1 id="joulethief-7">Joulethief</h1><img src="./assets/images/joulethief_6.png"></img><p>When the magnetic field is gone, the whole process <a href="#joulethief-step1">starts over</a>.</p></div><div class="step step-level-1" step="10" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="16000" data-y="0" data-z="0"><h1 id="joulethief-8">Joulethief</h1><p>A more detailed explanation can be found on <a href="https://www.instructables.com/Joule-Thief-Circuit-How-to-Make-and-Circuit-Explan/">instructables</a></p></div><div class="step step-level-1" step="11" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="17600" data-y="0" data-z="0"><h1 id="led">Led</h1><img src="./assets/images/led_polarity.png"></img><p>Make sure to get the LED polarity right. Short leg goes to ground!</p></div><div class="step step-level-1" step="12" data-rotate-x="0" data-rotate-y="0" data-rotate-z="0" data-scale="1" data-x="19200" data-y="0" data-z="0"><h1 id="circuit">Circuit</h1><img src="./assets/images/circuit.png"></img><p><a href="https://github.com/hackersanddesigners/Soilpunk_joulethief">https://github.com/hackersanddesigners/Soilpunk_joulethief</a></p></div></div><script type="text/javascript" src="js/impress.js"></script><script type="text/javascript" src="js/gotoSlide.js"></script><script type="text/javascript" src="js/hovercraft.js"></script></body></html>
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diff --git a/slides.rst b/slides.rst
index 59df0f9..231b008 100644
--- a/slides.rst
+++ b/slides.rst
@@ -33,6 +33,8 @@ Transistor
 .. image:: ./assets/images/analogi-transistor-87050130.gif
 	:width: 500
 
+Water analogy: the little bit of water from B to E opens the gate for the bigger flow from C to E
+
 ----
 
 Joulethief
