This tool implements the transfer matrix method (TMM) to describe the propagation of electromagnetic (EM) waves in stacked layered materials at normal incidence. It uses a 4x4 matrix formalism which ...

Keypad phones, believe it or not, are still in use, and there is a surprising amount of variety to choose from. Some of the phones include 4G connectivity, cameras, and are built to last. If you're ...

Matrix keyboard module library. The matrix keyboard module is used for the matrix keyboard of emakefun, which can obtain the status of the matrix keyboard keys and the currently pressed key.