With loudspeakers, an important parameter is the frequency at which their cones resonate. This clever Arduino-based tester ...

Abstract: The backward wave oscillator (BWO) is an important vacuum electron source that utilizes backward waves to interact with electron beam, resulting in high-frequency self-excited oscillations.

arduino-app-cli is a command line tool running on the Arduino UNO Q boards, that manages and runs Arduino Apps (both Linux and microcontroller parts), provides a HTTP daemon mode to expose RestFul ...

Abstract: The traditional oscillators are limited by their material characteristics and structural configuration, exhibiting a low oscillation frequency and low output power under pressure input. This ...

The Office of Special Counsel is again enforcing the Hatch Act against federal employees who committed violations of the ethics law while working for an agency but have since left federal service, ...