I remember James wondering if this would be possible. Looks like a Caltech grad already tried it: http://funofdiy.blogspot.co.uk/2013/10/a-raspberry-pi-controlled-mini-laser.html -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://sgvhak.net/pipermail/hak/attachments/20131126/b0286a12/attachment.html>