Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

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 ...

The I2CKeyPad library implements the reading of a 4x4 keypad by means of a PCF8574. Smaller keypads, meaning less columns or rows (4x3) can be read with it too. Since 0.3.2 the library allows a 5x3, ...

We gathered 121 menus from restaurants all over the country. Together, they offer a glimpse into the tastes and values of today. We gathered 121 menus from restaurants all over the country. Together, ...

Here's what you can expect to spend to start the business and what ongoing fees the franchisor charges throughout the life of the business. Some franchisors offer in-house financing, while others have ...

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 open source Arduino Project was started long back in 2003 as a program for students to help them tinker with sensors and their applications without spending tons of money. Over the course of time, ...

This is a [Viral Science](https://www.viralsciencecreativity.com/post/arduino-piano-with-4x4-keypad) Arduino breadboard project. The program uses a 4x4 keypad to play ...

Everything is supposed to be open source and open hardware; all software tends to be free. The offline Arduino IDE showing the built-in Blink example. Offline - The offline Arduino IDE must be ...

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 ...