documentation

documentation/index.html

@@ -182,10 +182,9 @@ h2, h3 {
 					<li>3 &times; 12 mm momentary push buttons</li>
 					<li><a href="http://www.vishay.com/docs/83751/cny70.pdf">CNY70 reflective optical sensor</a></li>
 					<li>Resistors: 2 &times; 100 &#8486;, 4.7 k&#8486;, 10 k&#8486;</li>
-					<li>2 &times; NPN transistor</li>
-					<li>White LED</li>
-					<li>Infrared LED (904 nm)</li>
-					<li>Infrared LED (904 nm)</li>
+					<li>NPN transistor</li>
+					<li>White LED for illumination of the QR cards</li>
+					<li>Infrared LED (904 nm) for remote controlling the speaker</li>
 					<li>Jumper wires</li>
 					<li>0.5 mm copper wire</li>
 				</ul>
@@ -204,10 +203,8 @@ h2, h3 {
 		<h3 id="electronics">Electronics</h3>
 		
 		<p class="gallery">
-			<a href="images/2016-12-18_19-36-44.jpg" class="fancybox" rel="collection03"><img src="images/2016-12-18_19-36-44.jpg"
-				width="320" alt="" /></a>
-			<a href="images/audiosphere-electronics.png" class="fancybox" rel="collection03"><img src="images/audiosphere-electronics.png" width="320"
-				alt="" /></a>
+			<a href="images/audiosphere-electronics.png" class="fancybox" rel="collection03"><img src="images/audiosphere-electronics.png" width="320" alt="The electronics in a single diagram with the optical sensor on the left, the LED, the infrared LED for remote controlling the speaker and the four buttons." /></a>
+			<a href="images/2016-12-18_19-36-44.jpg" class="fancybox" rel="collection03"><img src="images/2016-12-18_19-36-44.jpg" width="320" alt="The circuit board after soldering with all resistors and the LED for illumination. Buttons, optical sensor and infrared LED are installed directly in the case." /></a>
 		</p>