fun https://www.gremwell.com/ en Nice arduino-based circuit https://www.gremwell.com/node/432 <span>Nice arduino-based circuit</span> <div><p><a href="http://www.xkcd.org/730/">http://www.xkcd.org/730/</a></p> </div> <span><span lang="" about="/user/1" typeof="schema:Person" property="schema:name" datatype="">abb</span></span> <span>Wed, 06/20/2012 - 16:48</span> Wed, 20 Jun 2012 14:48:33 +0000 abb 432 at https://www.gremwell.com