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oneleggedredcow

Lava Ball

Posted by oneleggedredcow Top Member Jun 24, 2015
Lava ball is a fairly simple game where you try to keep the ball out of the lava. You move the ball around by tilting the controller and then every so often, the white square moves and you have to make it back to safety before the ground gets too hot. Here's a quick video demonstration of the game: Prerequisites STM32F4 Discovery STM32F4 Discovery WiFi Board UART8000-U Cable Raspberry Pi 2   Introduction We are going to use the accelerometer in the STM32 Discovery board to be t ...
Prerequisites STM32F4 Discovery STM32F4 Discovery WiFi Board UART8000-U Cable   Introduction We are going to use the STM32F4 Discovery Board and the STM32F4 Discover WiFi add on module to create a program that will send a signal when a certain movement is detected. So, imagine a scenario like this. I have a secret door in my house with no visible way to open it. Instead of a secret book on a self that you have to pull in order to open it, I have a magic gesture that I do with my Discovery ...
Introduction This post is going to show you how to build an automated three tier brewing system using the OLinuXino. Our aim is to control the temperature of every step of the brewing process and make it easy to brew a batch of beer.  This system is set up to do small, all grain brewing batches.  The idea is to make it easy to brew, so you can experiment with any crazy idea that you might have.  That way if your idea for a vanilla wafer flavored beverage is a flop, then you don ...
In this article, I’m going to show you how to set up the Aptana Studio 3 IDE to remotely sync your code with the OLinuXino.  This allows you to program on your desktop in a nice IDE, automatically transfer the files, and run the code on your OLinuXino all without effort.  I’m going to show you how to set this up with the OLinuXino, but the same idea would work for any other single board computer (e.g. Raspberry Pi).   The reasons for doing this include: 1) IDE: This ...
Sometimes you run across a situation where you want some more memory (RAM) to complete an operation. An example of this that I ran into was trying to compile something and gcc kept running out of memory.  One way to fix this is to temporarily allocate more swap space. Swap space is memory that resides on your hard drive (or SD card in the case of a Raspberry Pi) that can be used like RAM.  This is helpful if you are running into an out of memory error, as it will give the computer mor ...
Introduction Sous-vide is a way to cook food so that the item is cooked evenly throughout and exactly at the desired temperature.  The way that sous vide achieves this is by putting the item in a plastic bag and then placing it in water that is heated to the target final temperature.  This allows the item to come up to the specified temperature, but not above since the heat being applied to the item is set exactly to the target temperature.   One of the tricks to sous vide is to ...
Overview  I’m one of those people who enjoys working out.  However, I never seem to be able to remember how many times I've done an exercise. This is especially true with things like jumping jacks, where you are doing a lot of repetitions.   Did I do twenty-three or thirty-three?  It’s just counting, but I always seem to lose my place.   So, in this blog post I’m going to use the OLinuXino to build a device that will automatically count the numbe ...
Getting an OS  The first step is to download an OS for your OLinuXino.  There are a couple of options given on the olimex wiki.  The debian image seems pretty popular and works well, so if you aren’t sure which one to pick; that would be a good option.  One thing to note is that the image seems to be too big to fit on some 4GB micro SD cards.  My experience was that the image did not fit on the card that came with the OLinuXino board.  I ended up using a diff ...

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