A 4x4 membrane keypad is a compact and a cost-effective input device that is commonly used in a variety of electronics projects. It consists of 16 buttons arranged in a 4x4 grid and is covered with a ...

The Arduino Keypad-LCD Controller is a project that utilizes an Arduino Uno R3, an LCD display, and a keypad to create an interactive user interface. This system allows users to input data via the ...

There was a time when people were happy to interact with their computer with a standard keyboard and mouse. But in recent years, we’ve noticed more programmable, custom-designed keyboards with more ...

Create a Processing program that when hooked up to the Arduino via USB plays specific sounds in response to specific key presses. It should play a different sound for all 12 keys and support ...

Elecom's USB-powered numeric touch keypad is pretty simple. You plug it into your machine, tap your digits on the board and watch the numbers appear in your calculator app. Once that gets boring, you ...

Here is a telling example of how a keypad with display can fulfill a need like nothing else. David Dye, the operator of Shuyokan Ryu Martial Arts Center in Costa Mesa, California, needed a way his ...

The IPv4 global address is exhaustedIP address exhaustion problemAs a next-generation protocol to deal withIPv6There is, but the notation method changes from decimal to hexadecimal, the address ...

The USB stick with the built-in Post-It pad from Japan was weird but this one looks quite useful. A Japanese company called Rinso Do [JP] is now selling a USB stick that comes with a numeric keypad ...