Just a little add-on for 3DR to allow the use of a heated bed.More info Here - http://richrap.blogspot.co.uk/2013/12/3dr-build-tutorial-part4-firmware.html
Richard Horne (RichRap) is an Electronics Engineer,
Product Designer, Salesman, and Problem Solver working in a wide range of
industries and applications, across many platforms and technologies for the
last 20 years.
My inte...