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How to Build a Web-based Garage Door Controller

How to Build a Web-based Garage Door Controller

Use your Android device to open and close your garage door! Much better than that clunky remote you've been using.


Writing PICAXE BASIC Code - Part 3

Writing PICAXE BASIC Code - Part 3

Part 3 introduces the if...then, endif, gosub, and return PICAXE BASIC commands. It is the third article in a multi-part series on writing PICAXE code.


Switch Bounce and How to Deal with It

Switch Bounce and How to Deal with It

In this article I will discuss what switch bounce is and some ways to deal with it. First I will take you through the theory, and later I will show you some ways to handle it in both hardware and in software.


Understanding Inductor Designs for Converters

Understanding Inductor Designs for Converters

A handy technical article demonstrating filter inductor design for boost converters, design of the coupled inductor for a two-output forward converter, and the design of flyback transformer in continuous conduction mode.


Converter Evaluation and Design

Converter Evaluation and Design

List of common converters and calculations of switch stresses/utilization are presented in this article. Converter design with the aid of computer spreadsheet is also shown here. A short list of converters is provided based on the basic topologies and circuit manipulations of the converters discussed on other technical articles.


How to Use an Arduino as a Web Server

How to Use an Arduino as a Web Server

By equipping an Arduino with an Ethernet shield you can turn it into a simple web server, and by accessing that server with a browser running on any computer connected to the same network as the Arduino, you can perform a variety of tasks.


Projects Jun 06, 2015 by Tim Youngblood
How to Use the Arduino’s Digital I/O

How to Use the Arduino’s Digital I/O

The digital inputs and outputs (digital I/O) on the Arduino are what allow you to connect sensors, actuators, and other ICs to the Arduino . Learning how to use the inputs and outputs will allow you to use the Arduino to do some really useful things, such as reading switch inputs, lighting indicators, and controlling relay outputs.


Projects Jun 05, 2015 by Tim Youngblood
AC-Equivalent Circuit Modelling

AC-Equivalent Circuit Modelling

The basic converters complete equivalent circuits can be studied here which include the basic AC modeling approach and the results for several converters. A simple circuit diagram is used for high-frequency converters. We will construct the non-linear model and convert it into a linear circuit that describes the small-signal performance of a circuit.