Android Accelerometer App


This entry describes a quick and dirty way of displaying accelerometer data on an android device. The application outputs the applied force as a circle, where the radius of the circle represents the magnitude of the force vector, with the gravity subtracted. It also demonstrates the difference between a shifting buffer and a ring buffer.

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Playstation 2 Controller on Atmega168


This entry describes using a PlayStation 2 Dual Shock controller on an Atmega168 microcontroller. This will enable me to use it for robot control in the future.

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Electronic Sheep


The electronic sheep is a plastic sheep fitted with a rgb-led inside. It can show colors in various patterns, and the electronics also supports adding a servo motor for moving the head. I will describe the works and making of the electronics and code. This is a good beginners project for using an Atmel microcontroller.

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ROV Research

I’ve done some research on creating a simple ROV (Remotely-Operated Vehicle) for underwater operations. So far I’ve been considering what to build and how to build it.

 

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8×8 LED Matrix

This article describes a project using an AVR microcontroller to control an 8×8 LED Matrix. The matrix is programmed to display text, either by scrolling or by blinking one letter at the time.

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