Most of us have had a sibling that would sneak into our room to swipe a transistor, play your guitar or just mess with your stuff in general. Now there’s a way to be immediately alerted when said ...

[Shane Burrell] decided to spend some time learning how the keypad on the his Kenwood TM-710A APRS radio mic works. It uses a different technique than you might think. Normally a grid of buttons is ...

In most keypads, pressing a key closes a contact that bridges two lines in an xy matrix. If you use a microcontroller to detect a key closure, checking the states of (x+y) lines requires an equal ...

Many systems that require a user to manually enter data feature a keyboard similar to that in Figure 1. Although early keypads comprised arrays of individually wired switches, a typical modern keypad ...

Alphanumeric Keypad for PIN Access FIPS 140-3 Level 3 (Pending) Certified OS- and Device-Independent Multi-PIN Option (Admin and User) FOUNTAIN VALLEY, Calif.--(BUSINESS WIRE)--Kingston Digital, Inc., ...

FOUNTAIN VALLEY, Calif.--(BUSINESS WIRE)--Kingston Digital, Inc., the Flash memory affiliate of Kingston Technology Company, Inc., a world leader in memory products and technology solutions, today ...