When it comes to ATmega8 basic I/O interfacing, we just learned how to connect a switch as an input device to control one LED connected as an output device. Now a simple tour through selected areas of ...

A programmable logic controller (PLC) is an industrial solid-state computer that monitors inputs and outputs, and makes logic-based decisions for automated processes or machines. 1. The image above is ...

An upcoming Mac mouse could sport a built-in display, as indicated by a new patent (number 20110012838) at the US Patent & Trademark Office. Per the patent, in an embodiment, an input device, such as ...

In last month's article, we saw how the Linux input subsystem worked inside the kernel, ending with a quick mention of the event handlers. Each handler essentially provides a different user-space API, ...