This project implements an alphanumeric keypad, similar to the ones found in mobile phones, using an 8051 microcontroller.

Research in Motion, the manufacturer of Blackberry, unveiled the phone today in at its WES2010 conference in Orlando, Florida ...

After a decade of producing mobile phone and email devices that provide business people and consumers with a scaled-down version ...

The Nokia 6208 Classic smartphone is a rare breed since it not only offers a touchscreen, but it comes with a full alphanumeric ...

A standard phone keypad consisting of the numbers from 0 to 9 and including the signs "*" and "#". Alphanumeric keypads are an ...

Alphanumeric Keypad for PIN Access FIPS 140-3 Level 3 (Pending) Certified OS- and Device-Independent Multi-PIN Option (Admin and ...