Tag Archives: C

Simple example program for the PIC12F675 microcontroller

Posted on February 18, 2017 by

The PIC12F675 is a very inexpensive 8-bit microcontroller from Microchip that’s available in an 8-pin DIP package (i.e. it’s suitable for breadboard use). I’ve had a small tube of these on the shelf for a few years, but I’ve only … Continue reading →

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A simple way to read and write audio and video files in C using FFmpeg (part 2: video)

Posted on February 12, 2017 by

In my previous post, I demonstrated how FFmpeg can be used to pipe raw audio samples in and out of a simple C program to or from media files such as WAV files (based on something similar for Python I … Continue reading →

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A simple way to read and write audio and video files in C using FFmpeg (part 1: audio)

Posted on February 10, 2017 by

C is my favourite programming language and the one I use most often. However, I have tended to shy away from using it for quick one-off signal processing tasks where I needed to read or write audio or video files … Continue reading →

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Fraktalismus Outtakes: Sea Monsters

Posted on August 4, 2016 by

Sea Creature 1 Sea Creature 2

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Fraktalismus – my presentation at Dublin Maker 2016

Posted on July 24, 2016 by

A zip archive of my complete Fraktalismus folder (containing all the content for the presentation) can be download here: Fraktalismus.zip (93.9 MB) This is the code I used to create the Julia Set fractal zoom animation above: Pantograph animation is … Continue reading →

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Example code from presentation: Ways of Seeing Julia Sets

Posted on February 13, 2016 by

I gave a presentation at yesterday’s DIT School of Mathematical Sciences lunchtime research seminar titled Ways of Seeing Julia Sets: Visualizing the forces that shape fractal Julia sets. This was the abstract: Early in the 20th century, work by mathematicians … Continue reading →

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Generating antiphase PWM signals with the dsPIC30F4011

Posted on April 11, 2015 by

I frequently receive queries from people who are using a dsPIC microcontroller to control power electronics of some kind, such as in an inverter, a voltage converter, or similar. Many of these queries relate to the generation of different combinations … Continue reading →

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