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 ...

RALEIGH, N.C. — A gecko-shaped pin has been a part of Darlene Johns’ daily life for almost as long as her company, Alphanumeric Systems, has been. After 30 years, Johns is making some changes in her ...

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 ...

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 ...