A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...
XyphroLabs's UsbGpib is an open-source hardware, inexpensive, and portable USB to GPIB adapter aiming to provide "access to ...
Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...