Using I²C sensors on a linux via a USB and IIO

A short story of getting a tiny, cheap USB I²C adapter for a home server, learning about the Industrial I/O linux subsystem, and connecting it to collectd.

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Stream of Cascada de Los Colores

stream-of-cascada-de-los-colores.jpg
stream-of-cascada-de-los-colores.jpg
Camera
PENTAX K-5 II s
Aperture
f/8.0
Shutter speed
1/60 sec
Focal length (as set)
35.0 mm
Sensitivity
ISO 400
Lens
smc PENTAX-DA 35mm F2.4 AL

On the Canary Island La Palma, unexpectedly, there is a lot of water. Some of this water ends up in the Cascada de Los Colores, a small waterfall of red, yellow, and green streams. Soon the stream becomes mostly red, stays like that for a while, slowly turns into yellow, as other, clear water connects to it, and in the end, it fades into ordinary water.

La Caldera de Taburiente

la-caldera-de-taburiente.jpg
la-caldera-de-taburiente.jpg
Camera
PENTAX K-5 II s
Aperture
f/5.0
Shutter speed
1/500 sec
Focal length (as set)
35.0 mm
Sensitivity
ISO 80
Lens
smc PENTAX-DA 35mm F2.4 AL

The very top of La Palma is the Roque de los Muchachos with it's 2426m height. On cloudy days, this is the view - that pointy thing in the distance is the Teide on Tenerife, way above the clouds, with it's 3718m.

Stargazers

stargazers.jpg
stargazers.jpg
Camera
PENTAX K-5 II s

The Roque de los Muchachos host a significant amount and rather important astronomy telescopes. Unfortunately visitors are not allowed up here during the night because even that tiny ligth pollution could distort measurements, but it's certainly a unique view, even during daytime.

La Caldera de Taburiente panorama

la-caldera-de-taburiente-panorama.jpg
la-caldera-de-taburiente-panorama.jpg
Camera
PENTAX K-5 II s

A panorama from Roque de los Muchachos on La Palma at 2426m.

Engawa of the dojo building at Dojo Stara Wieś

engawa-of-the-dojo-building-in-dojo-stara-wies.jpg
engawa-of-the-dojo-building-in-dojo-stara-wies.jpg
Camera
PENTAX K-5 II s
Shutter speed
1/60 sec
Focal length (as set)
50.0 mm
Sensitivity
ISO 400
Lens
K or M Lens

This is the ourdoor veranda, the engawa of the dojo building itself at Dojo Stara Wieś1. The building hosts three beautiful areas to practice martial arts in a place, which resembles their origin quite well.


  1. http://www.dojostarawies.com/en.html

Dawn at Dojo Stara Wieś

dawn-at-dojo-stara-wies.jpg
dawn-at-dojo-stara-wies.jpg
Camera
PENTAX K-5 II s
Aperture
f/11.0
Shutter speed
1/80 sec
Focal length (as set)
35.0 mm
Sensitivity
ISO 100
Lens
smc PENTAX-DA 35mm F2.4 AL

I had the chance from Pakua UK1 to spend a weekend at Dojo Stara Wieś2 in Poland. Unexpected as it is, the Dojo is a small village, built for Japanese martial arts, in Japanese architectural style.

While it's not the complete fairytale Japan one might expect, in the end, the only thing one could wish for is a small forest of giant bamboo, because everything else is tranquility here. The ponds were full of huge frogs and lovely newts, the air was filled with loud and happy birds - it's a lovely place.

I took the picture not that early, sometimes just after sunrise.


  1. https://www.pakuauk.com/

  2. http://www.dojostarawies.com/en.html

Guide on how to make your website printable with CSS

CSS snippets to consider when you want to provide a printable version of your blog

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The internet that took over the Internet

If you look deep enough, beneath mountains of attention hoarding, illusion photography, trending trends, you'll find the old Internet, the one with content, knowledge, individuality, but you need to look hard. Can it be saved?

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RE: https://eli.li/entry.php?id=20180318015703

Anyone with me? Am I totes off base?

You are certainly not; the tools provided right now are indeed technical. However, you have to keep it in mind, that none of the specifications are finalised in any form - only webmentions are in W3C recommendation stage. As it has been pointed out, my wording and knowledge was off: recommendation is the final, released stage, so I fixed it.

The vast majority of users aren’t going to read the spec., nor care to ever do so. [...] This should be our (the IndieWeb’s) holy mission — empowering all sorts of folks to post content that they get to control.

This is where we disagree. There are other, interesting movements, two of them with very similar goals: Repair Café and Restart Party. As the name suggests, it's about repairing things, instead of throwing them away, but both of them share the ideology of teaching people to fix their own things; to learn about their tools, to value, to own them.

Owning the content is the first step, but it shouldn't be the only step. I wholeheartedly disagree with WordPress' attitude, making people avoid technical responsibility1 - people should care, they should be at least be aware of what's happening when they press a publish button. They needn't have to be capable of doing it from scratch, but providing the tools only is not a goal I can align with.

If we keep up the attitude of making everything so simple that people don't have to understand, we'll very soon find ourselves in the chapter of The Foundation, where the priests keep running technology, without anyone understanding it.


  1. https://www.rarst.net/wordpress/technical-responsibility/

We are living in instant messenger hell

I had to install WhatsApp, because some friends are refusing to communicate in any other way, which made me realise how tired and disillusioned I am when I have to face yet another instant messenger network - at least, with some work, Pidgin can still connect to more or less everything and anything.

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How to install microG an odexed stock android ROM

The method of replacing Google Services Framework with microG suite on the stock, Android Marshmallow ROM of a Nomu S10

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