Update week12.md

docs/assignments/week12.md

@@ -160,6 +160,6 @@ It could be great in an idea of **printed headband**, to measure the **body temp
 * If I imagine to apply the silk-screen printing on a transparent textile and to controle the displayed pattern & a LED by switching the temperature, this [tutorial](http://etextile-summercamp.org/2013/?p=540) seems interesting.
 
 <figure markdown>
-![](../images/week12/001.jpg){ width=450 align=center }
+![](../images/week12/002.jpg){ width=450 align=center }
   <figcaption>My circuit with 1 heating element</figcaption>
 </figure>