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myDoorbell: Play that Tune

Introduction In a previous post, I described the nine modules that make up myDoorbell. These are shown in the following figure. In this post I’ll address two modules that are difficult to describe separately, the… myDoorbell: Play that Tune

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 Button

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.… myDoorbell: The Power Supply

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: High Level Design

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… myDoorbell: The Existing System