One day projects: Plane Radar

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I love simple projects, especially ones that can be completed in a day or afternoon. It is great if all required tools are stowed away directly. Today, I want to show you a project that I recently completed as a gift. The ESP32 Plane Radar by MatixYo is a small ESP32-C3 Super Mini microcontroller combined with a 1.28-inch round GC9A01display. To complete this project, I just had to solder the parts together, print the case, assemble the parts, and flash the binary. The documentation is plenty detailed for such a small project and easy to follow. The printed case fits perfectly, so there’s nothing else to do (except be a little bit more careful while pressing the screen into the case).

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I have switched jobs, so the frequency of my posts will decrease.

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As if there was a frequency to begin with..! Anyway, I tidied some things up today and wanted to share the results of my recent job hunt. To do this, I tracked the status and stages of every application and created a Sankey diagram. I’m happy with the outcome, and when I talk to someone about my search for a new position, I can show the result directly here. To get to where I am now, I had to make some tough decisions and turn down some offers. I’m still grateful for these, and I underestimated the network effect. Now, after two months in my new job, I can say that I’m very happy with my choice. I’ve found a really interesting field to work in, with great challenges ahead.

Building a lowprofile-numpad (lp-np)

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Last year, some friends and I visited Mechanicon, the largest keyboard convention in Europe. Here, enthusiasts can present their creations and vendors can offer their items, with a prize raffle concluding the event. Sadly (or perhaps luckily, given that I didn’t need something) I didn’t win anything, however I did manage to pick up some low-profile switches from the trade corner. Once I had some switches in hand, I knew what I wanted to do: create my own PCB and keyboard. A numpad, to be precise. Since I have time to design my PCB and learn new things, how hard could it be?

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Double-Slit Experiment simulation

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I wanted to play around a little bit with a Double-Slit Experiment simulation. To speed things up I used the provided GitHub kickstart a project with AI and I was surprised by the result. The bot created a first PR after some brief initial prompt, linked down below. For me the only task was to review and approve the commit to the project. The most interesting feature I discovered was the addition of rendered images of the resulting webpage. The repo can be found here.

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Onelinecookbook

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I have a cookbook. It is just the bare ingredients and temperature. The steps to cook I can recall from memory, but the ratio and temperature is a different topic. I had the vision to create something interactive and web based and even contemplated if I should register a domain. But I can see that this thing will have no user base. So I resorted to LaTeX and created a PDF. This will hopefully help me to not mix up the amount of salt next time.

You can find the source on my Github.

And if someone asks: The faucet is just a reminder that I have to wash the rice or lentils before further processing.

Musik: Weval – Someday

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(Direktsomeday)

Reddit conversation about this video six years ago:

I’m speechless, it flows so nicely and so satisfying, can’t imagine how many days-weeks were put into this either. It seems like all that had to be done by hand. Correct me if there is some other technique to do something like this I don’t know about… Very interested! [Deleted, six years ago]

I mean, AI could certainly help finding pictures that follow strict rules and putting them together. It removes nothing to the feat in my mind though [KnowNothing_JonSnoo, six years ago]

I can’t imagine the work needed to film and edit this videoclip

Different times

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meh.sh

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alias meh='for f in *; do printf "mv \"%s\" \"%s\"\n" "$f" "$f"; done > meh.sh; printf "rm meh.sh\n" >> meh.sh'

for f in *; do … doneLoops over every file in the current directory (excluding dot‑files).
printf "mv \"%s\" \"%s\"\n" "$f" "$f"Prints a quoted mv command that moves the file to itself
> meh.shRedirects the first set of printed lines into a new file called meh.sh.
printf "rm meh.sh\n" >> meh.shAppends a final line that removes meh.sh.
Tip – If you want the script to execute immediately after being written, just append ; bash meh.sh to the alias

Sometimes I have to do a mass rename and this combines the plan creation task in one command, I edit the result file and after execution all is cleaned up.

In other words this creates a todo list as bash file which I can edit to perform the actions I want to do.

Update:

Since I moved to fish shell, here is a fish function, to be put in ~/.config/fish/functions/ 

function meh
    for f in *
        printf "mv \"%s\" \"%s\"\n" "$f" "$f"
    end > meh.sh
    printf "rm meh.sh\n" >> meh.sh
end

Camino de Santiago

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Today, I would like to share some of my experiences from my recent trip along the Camino de Santiago. This will not be a full report like I did for the Japan travel, but I’ve captured some clips of the Camino.

I left the video clips largely unedited, with no comments or music added. We hiked in total 18 days and 370km in 85h with 580k steps.

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