11 June 2018

Embedded Flight Controller Tutorial

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This is an excellent series. I'll post the links here because I keep losing them: Project 1: Custom Flight Controller Part 0: Overvi...
15 March 2017

Using Java 8's Function to refactor Decorator and Adapter patterns

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Two days into using Java 8 (I know, long overdue, but you know... App Engine ), I'm having fun refactoring some legacy (Swing, ouch) ...
14 September 2016

Transposing vectors of complex numbers in Matlab

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Careful when applying the transpose (apostophe) operator to a vector of complex numbers. See here : You have to use .' (dot transpos...
01 September 2016

Correlation vs Convolution

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This is a basic relationship in DSP. When we talk about similarity between signals, we normally talk about "correlation". When ...
02 August 2016

Fix for FR_NO_FILESYSTEM error with the embedded FatFS file system

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FatFs is a popular file system for embedded applications. Occasionally though I was having trouble accessing some SD cards, a problem that...
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23 January 2014

How to reduce memory usage when marshalling large KML files with JAK (the Java API for KML)

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This is something I discovered a while ago and never got around to publish it on this blog. for a while I've been experiencing memory...
30 July 2013

My journey from Python to Java, to Scala... and back to Java

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Here's an update on my work for improving the Construct library in java and make it more type safe and easy to use  https://github.com/...