I’ve been working on an article about vacuum tube triodes. Yes, they’re still being used in the manufacture of high-end audio equipment and in musical instrument amplifiers. A triode has three ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Calculating analytical uncertainties as a part of method validation is a relevant ...

IR (Infrared) communication is simple, low-cost, and widely used wireless communication technology. IR light is somewhat similar to the visible light, except that the wavelength is slightly longer.

* A multi-mode Macro keyboard with Arduino Pro Micro using row column matrix. * This is a basic sketch to understand key layout, basic hotkeys macros and some extras like: * -RBG addressble LEDs ...

This technology report outlines the design and construction of a simple Arduino-based pH sensor using universal pH paper; it can be assembled for less than $40 and is ideal for use in laboratory ...