A microscope that cost less than £50 and took under 3 hours to build using a common 3D printer could be transformative for ...
Before the Raspberry Pi came out, one cheap and easy way to get GPIO on a computer with a real operating system was to ...
XyphroLabs's UsbGpib is an open-source hardware, inexpensive, and portable USB to GPIB adapter aiming to provide "access to ...