Author Archives: batchloaf

An offcut from the Fraktalismus pattern factory

This animation, which I created by accident while trying to do something else, struck me as eye catching. This is the complete C code used to generate video frames as individual PNM image files: I decided to render the frames … Continue reading

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Cafe Terrace at Starry Night

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€2 Robots in DIT

In this video, I chat with Kevin Chubb about his final-year project on ultra low-cost swarm robotics, here in DIT’s School of Electrical and Electronic Engineering. Kevin’s designing robots that can be built by hand from less than €2 worth … Continue reading

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A brief introduction to binary numbers…

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Can the PIC12F675 drive motors directly from its GPIO pins?

As I mentioned in my previous post, my project student Kevin Chubb is developing tiny ultra low cost robots using a PIC12F microcontroller. One of the things that’s great about PICs is that they can source and sink relatively high … Continue reading

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Minimum Viable Program for PIC12LF1572

Kevin Chubb (currently a final-year project student here in DIT) is designing a tiny robot using Microchip’s compact PIC12LF1572 microcontroller. It’s an interesting chip and Kevin’s doing great things with it. I decided to strip back one of the example … Continue reading

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dsPIC30F Quadrature Encoder Interface (QEI) – Basic Example

This video shows a basic example of using the Quadrature Encoder Interface (QEI) on Microchip’s dsPIC30F4011 microcontroller. I expect that the same approach will work with other microcontrollers in the dsPIC30F family. In this example, I place two TCRT5000 reflective … Continue reading

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