C++

C++ Programming Language

Qt Notes: Managing QStackedWidget with Qt Designer

While working on my iTunes remote control software, which uses the Qt cross-platform application and UI framework, I found the need to change the contents of a UI form based on system state.  QStackedWidget seemed like the perfect tool for the job, but there was one slight problem; it couldn't be fully managed with Qt Designer.

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The Making of an Easy Program Launcher Button

After watching Matt Richardson's AWESOME Button project video, where he embeds a microcontroller within a Staples Easy Button to create a special purpose keyboard, I was inspired to make a similar item to present as a gift to a user of the software that I develop professionally.  This user had requested that we create an "Easy Mode" for our software to group all of the features commonly used by his organization into a simple and easy to use graphical user interface component.  Since the "Easy Mode" concept was inspired by the Easy Button campaign from Staples, I thought an Easy Button would be perfect for launching the software in the "Easy Mode."  

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Easy Program Launcher

The Easy Program Launcher is a project for the Teensy USB Development Board.  It is based on the AWESOME Button by Matt Richardson.

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New Electronics Project: Mailbox Monitor for Arduino

The Mailbox Monitor project detects the presence of "snail mail" within an old-fashioned mailbox.  Photographs of the Mailbox Monitor project, along with source code and instructions that you can use to build your own Mailbox Monitor, are available here.

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Mailbox Monitor

The Mailbox Monitor detects the presence of "snail mail" within an old-fashioned mailbox.  It is a project for the Arduino Development Environment, and consists of projects for the Arduino IDE and Processing IDE which detect and report the presence of mail placed between an IR emitter and detector.

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Qt Notes: Working with QSslSocket

The Qt cross-platform application and UI framework provides a great deal of functionality to explore.  After working with it off and on for the past two years I am still finding new and useful features to include in my projects.  Recently I have had the opportunity to work with the Secure Sockets Layer (SSL) support, and have put together some notes to group some key documentation points together and to clarify a few points from the documentation that I found to be unclear.  

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New Electronics Project: 3D Map Control for Arduino

The 3D Map Control project lets you control the Google Earth web browser plug-in with a Wii Nunchuk connected to an Arduino development board.  A photograph and a video demonstration of the 3D Map Control project, along with source code and instructions that you can use to build your own 3D Map Control, are available here.

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3D Map Control

3D Map Control is a project for the Arduino Development Environment that uses the Arduino development board to read, decode, and transmit data received from the Wii Nunchuk to a computer.  A simple Processing/Java application running on the computer reads the Wii Nunchuk data from the Arduino development board and makes it available to any modern web browser through a simple web service.

New Electronics Project: Ringtone Jukebox for Arduino

Over the past few months I have been working on a few different projects using the excellent Arduino open source electronics prototyping platform.  Source code and schematics for these projects have been available through my GitHub account since I started working on them, but I am just now getting around to putting detailed project descriptions on this site.  

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Ringtone Jukebox

Ringtone Jukebox is a project for the Arduino Development Environment. It consists of a project for the Arduino IDE that plays RTTTL ringtones, and a project for the Processing IDE that draws graphical representations of the notes that make up a ringtone.

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