The PicoCalc is a new handheld with a retro design. At first glance it looks more like a graphing calculator than a modern handheld device. But it sports a QWERTY keyboard, a 4 inch display, and a ...

Abstract: In an era where homeowners frequently leave for work or education, robust security for residences is imperative. Traditional security measures, including window and door locks, present ...

We may receive a commission on purchases made from links. If you have an interest in electronics and have been hanging around DIY tech forums for a while now, chances are you already know what an ...

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 ...

O LCD Keypad Shield nos permite desenvolver uma série de projetos que precisem de input e output visual, como relógios, menus e jogos simples. Nesse tutorial você aprenderá: Um pouco mais sobre o LCD ...

In this digital age, we come across LCDs all around us from simple calculators to smartphones, computers and television sets, etc. The LCDs use liquid crystals to produce images or texts and are ...

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 ...