The standard design is simple; a prism or diffraction grating to break up a light source into a spectrum and a detector to measure light intensity. Shine the light through your sample, scan ...

It is a modular design with an Arduino Mega and a lot of I/O for a serious ... We wondered how it would be with a 3D-printed lilthophane which might diffuse the LEDs more. Because of the shift ...

Materia 101 is based around Arduino’s Mega board, while Sharebot provides the 3D printer know-how. Sharebot has recently opened up designs of various parts of previous printers, and will release ...