[Johannes] has been reading Hackaday for years but this is the first project he’s tipped us off about. It’s a laser engraver built from a DVD burner diode (translated). It turned out so well we wonder ...

Jon Bumstead has created an awesome Arduino powered 13 note midi harp after receiving funding from the optics group Spectra at Washington University in Saint Louis. Watch the video below to learn more ...

Gregory L Holloway based in the UK has created an awesome mini Arduino powered laser cutter and engraver called the MicroSlice which is available to pledge for £199 over on the Kickstarter crowd ...