myDoorbell: The Button
Introduction In my previous post, I described myDoorbell’s power supply module. In this post I will describe the circuitry that translates a standard doorbell button press into something that can be easily consumed by a…
myDoorbell: The Power Supply
Introduction In my previous post, I described the nine modules that make up myDoorbell. While we could begin our discussion with any one of the nine modules, the one all others are dependent on is the power supply.…
Indie Educational Technology
Introduction Last week I spent some time at Davidson College discussing Personal APIs and Indie Educational Technology with faculty, students, and staff from several other institutions of higher education and commercial entities, Known and Reclaim Hosting, that facilitate…
myDoorbell: High Level Design
Introduction In my previous post I described the resources available in the wiring box where myDoorbell will be installed. As illustrated in the following figure, the available resources consist of a 16 Volt AC source and…
myDoorbell: The Existing System
Introduction In my previous post I declared my intent to refresh my technical skills through the development of an amazing doorbell, myDoorbell. In this post I describe a doorbell system found in a typical U.S. residence…
myCoreDump
Introduction I hope you enjoy this core dump! The thoughts are so interrelated and connected it is difficult to optimize the presentation so you may need to apply your own defragmentation to get it. In…
myDoorbell: A Learning Adventure
Introduction After being a university chief information officer (CIO) for more than a decade, I decided to refresh my technical skills acquired through formal education and practice as an electrical engineer. I learn best by…
Domains, Personal APIs, and Portfolios
Introduction In addition to the traditional educational experience students at Brigham Young University receive, we want them to acquire skills, techniques, and tools that facilitate their current and future learning. We believe students should learn…
Freedom via Abstraction
At Brigham Young University (BYU) we have been developing a University API to expose the functionality of a reasonably generic educational institution, while consuming a very specific set of underlying technologies. Our generic institution has…
Techniques for Teaching Others
Over the past several years I have been a member of several executive leadership teams. While in these environments I have witnessed leaders using several interesting techniques to teach others. I share two of these…