OpenRAMAN, a $3000 DIY Raman spectrometer

Raman spectroscopy is a technique in which light from a laser interacts with a sample to shift the laser wavelength. Recording the shifts with a spectrometer gives information about the sample. We’ve covered general cheap spectroscopy more than once here. OpenRAMAN is a project to assemble a Raman spectroscopy setup using about $3000 in (mostly […]

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An open source pick-and-place machine for $500

Pick-and-place machines are used to quickly and precisely place electronic components onto printed circuit boards. The open source IndexPnP with software powered by OpenPnP is a new cheap DIY pick-and-place machine. Commercial options cost thousands to tens of thousands of dollars. There are several open source designs already out there, a portion of which are […]

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