Voltera’s machine lets you print two layer circuit boards right on your desktop. Its plotter lays down layers of silver-based conductive ink, making circuit prototyping and experimentation crazy simple. it can even prep, heat, and reflow solder for surface-mounted components.
Electronic musicians and anyone who needs to combine audio signals will dig Bastl’s miniature mixer which provides five individual channels with up to 20dB gain each in a tiny box that runs on 4 AA batteries. It’s limited only to mono signals, but it’s still a nifty gadget. DUDE!