PCB plotting

Festival season equals Tinker opportunities!
I had been inspired by the wiki post at
http://reprap.org/wiki/Plotting to construct my own pen plotter in
order to enable my Makerbot to etch PCBs. That should be funny for
small prototype boards.
I started with designing the pen holder, which can be seen here:
http://www.thingiverse.com/thing:5288 and after some fiddling around I
am on the right track to create a profile for skeinforge which directs
the plotter along.

Simultaneously I designed a small servo driven shaker in which I can
put the PCBs for etching. That is not entirely finished yet. However,
if you plan to make things that move, how about reading the book:
Making things that move
(http://www.amazon.com/Making-Mechanisms-Inventors-Hobbyists-Artists/dp/007174...).
It is a very funny, entertaining and educating book. Well done, Dustyn
Robot!

3D Scanner pt. 2

Today I spent some time to improve my 3D Scanner. I ditched the first
attempt, since the David Scanner, http://www.david-laserscanner.com/,
uses proprietary software, and is limited to low res scans. So today I
printed all the required parts for the MakerScanner,
http://www.makerscanner.com/.

I have not tried the software yet, but as soon as I get around to it,
I will post some results.

Synth Prototype

A small synthesizer prototype to produce square wave frequencies using
a 74HC18 Schmitt-Trigger and a small adapter to receive MIDI signals
to turn notes on an off. Midi velocity is mapped to digital pin PWM.

  
Download now or listen on posterous

machinefromhell.mp3 (795 KB)