Seven segment displays are electronic display devices used to display decimal digits as a simpler low cost alternatives to more complex dot matrix displays. The Seven Segment Board, from Zilogic, is an 8 digit seven segment display. In this first article, in a series of articles on the Seven Segment Board, we will introduce the reader to seven segment display fundamentals, and usage of the Seven Segment Board.
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Embedded systems generally use an audio interface for alert beeps and notifications. The Audio Board from Zilogic, extends a motherboard, with audio capabilities. Using the Audio Board, requires knowledge on the following:
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Stepper motors are used in a wide variety of applications, including computer peripherals like printers, scanners, CD drives, camera lenses, etc. In this first article, in a series of articles on stepper motors, we will introduce the reader to the theory behind the working and control of a stepper motor.
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pySerial is a Python API module to access the serial port. pySerial provides a uniform API across multiple operating systems, including Windows, Linux, and BSD. This article explains how to use the pySerial API to access a serial port.
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NuttX provides a POSIX like API for application development. In this article we will see, how to develop simple NuttX applications. This is the third article in the NuttX series, for the previous articles please see:
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NuttX, Getting Started article. In the previous article we demonstrated NuttX, using the NuttShell application. In this article we will see how to build NuttX and NuttX applications from source.
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NuttX is a small footprint Real-Time Operating System (RTOS) for microcontroller environments. NuttX provides a POSIX API, with a single process, multi-threaded environment. NuttX has been ported to various architecture including ARM, AVR, AVR32 and Zilog.
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The MVC design pattern was conceived in 1979 at Xerox, and since then many variants have evolved. All web frameworks, today, support some variant of the MVC pattern. But the MVC pattern has been largely ignored in GUI application development. This article describes one variant of the MVC pattern and how it can be used in GUI application development.
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During development and testing of embedded systems, the serial port is used for communicating with the host. This applies to firmware based embedded systems or Linux based embedded systems. But laptops and desktops today generally do not have a serial port. At Zilogic, we hit on this problem every time we go out for a corporate training.
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ZigBee is a low power, wireless mesh network standard. It is used in home automation, medical data collection, industrial control, etc.
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Zilogic has launched a course on Android, to help people familiar with Java, to come up to speed with Android Application Development.
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Getting Started with J2ME showed how to build a simple Hello World application using J2ME. This article takes up from where the previous article left off and shows how to build a complete application, a currency converter, using the J2ME framework. The currency converter is a simple, yet complete application that converts from Indian Rupees (INR) to US Dollars (USD).
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Android is a open source operating system designed specifically for mobile platforms. Over the last few years Android is taking over the mobile market drastically. This article shows how to get started with Android.
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Android applications can be created using the command line itself. Necessary tools are provided by the Android SDK. This article will demonstrate how to create a Android Application in the command line.
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J2ME is a software used to develop applications for Java enabled devices like Mobile Phones and PDAs. For more information about J2ME refer J2ME in Wikipedia. This article explains how to write a simple hello world program in J2ME.