Author Archives: Marcel-Jan Krijgsman

A great time at PyCon Ireland 2024

I think it was last year when I announced that I wanted to go back to conferences again. Preferably as a speaker. But what conference is the best for data engineers? I couldn’t quite figure it out. Then the call … Continue reading

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Using OCR to get data from my Robi scale

How it started For several years I kept track of my weight and fat with a Soehnle Body Balance, which I bought in 2018. That worked quite well until I saw more and more these weird deviations. Take a look … Continue reading

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Showing a gift total on a Raspberry Pi with an e-ink display – how hard could it be?

TL;DR: These Python and Raspberry Pi projects. They are fun aren’t they? And often they look deceptively simple. But you don’t see all the projects that failed and usually not where they struggled. This project got stuck (and almost failed) … Continue reading

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How I memorise my lines (and other things) with Anki

In my spare time I do stage acting. And there is almost no better feeling having performed a play really well. But to do so, you need to learn your lines. Preferably you learn your text well in advance, so … Continue reading

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Categorising text with ChatGPT. Results may be messy.

I have a hobby project I’m working on. It’s an astronomy news feed reader. Long story short: I currently gather links to interesting articles about astronomy by hand. And I want to automate this, so that I have more time … Continue reading

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A Strava dashboard on a Raspberry Pi (Part 3): The Strava API

This is part 3 of a series of blogposts on how I created a Strava dashboard on a Inky Impression e-ink display with a Raspberry Pi. OAuth2 This was the part that I expected to be the hard part: getting … Continue reading

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A Strava dashboard on a Raspberry Pi (Part 2): Installing software

In last blogpost we set up the Raspberry Pi, attached the Inky Impression display and got the Raspberry Pi ready for remote access. Time to get the Inky Impression software installed and make the Inky Impression screen display something. Your … Continue reading

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A Strava dashboard on a Raspberry Pi (Part 1): Setting up the Raspberry Pi

This is the list of hardware I’ve used: For those who don’t know a Raspberry Pi: this is a very small and quite cheap computer. The Raspberry Pi 3B+ I’ve used for example is about 40 euros. But you can … Continue reading

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Building a Strava dashboard on a Raspberry Pi with an e-ink display

Let’s face it: my purchase of the Pimoroni Inky Impression 5.7 inch display was a solution looking for a problem. I saw a video about it and I was sold on the idea of having an e-ink display on one … Continue reading

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Using Stable Diffusion to create images for a presentation

Have you heard about text-to-image models like DALL-E 2, Stable Diffusion and MidJourney? These are AI algorithms that take in text (the “prompt”) that describes what kind of picture you want as input and as output the algorithm creates that … Continue reading

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