A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.

In the modern era, where phone numbers are portable and geography is less tied to a person’s culture, area codes still hold a surprising amount of social weight. While the seven digits following an ...

In a hotel lobby, two QR Codes promote the same thing: a 10% discount on the breakfast buffet. One sits at eye level beside the elevator buttons, right where guests wait with their phones in hand. The ...

Every November, retailers flood channels with bigger banners, bolder discounts, and heavier ad spend. The strategy draws crowds, but conversions? That’s where most campaigns stall. If anyone has ever ...

Every Black Friday and Cyber Monday, millions of shoppers unknowingly become test subjects in retail’s largest behavioral experiment. Under the pressure of flash sales and ticking countdown timers, ...

Paul and David Bradt’s Ardiono Projects offers multiple ways to use Arduino and Raspberry Pi microcontrollers for your model railroading projects. Buy the book here. Code for Button/Blink Test (SN095) ...