Want to make the passcode on your iOS device more complex and secure? Read on for how to use a custom alphanumeric passcode on iPhone and iPad. A six-digit numeric passcode is the default when you ...

Problem: The English language uses the Latin alphabet with 26 letters and a numeric system with 10 numerals. These alphanumeric symbols (letters and numerals) work well most of the time to communicate ...

Figure 1: Mean (+1 s.e.) consistency of colour associations for 150 items (letters, arabic numerals and words), plotted separately for each of 11 categories tested. Figure 2: Mean voice-onset times ...

A string of characters containing both letters (A-Z) and numbers (0-9). An alphanumeric text entry field will accept both letters and numbers. An alphanumeric keypad is one with both letters and ...

On paper, chording — that’s pressing multiple keys to create either a single character or a whole word — looks like one of the best possible input methods. Maybe not the best for speed, at least for a ...

One of the limitations of the small 8 bit microcontrollers like the Atmel ATMega family adopted by the Arduino board, is the reduced number of I/O ports. Among the main advantages of these ...

As promised in the first part of this article, now it is time to see in detail how we can use the Alphanumeric LCD Display in our Arduino sketches. The idea beside this project is to give a simple ...