Blog-of-gain

A tech-oriented blog from a Linux user


Latest blog updates

2019-11-23ESP8266 deep-sleep repeatedly: Add power consumption measurements.
2019-08-31Uupumus - burnout (in Finnish): New article.
2019-08-31Burnout: New article.
2019-07-29Asus should focus more on ergonomics than style: Add note about fixed Wi-Fi.
2019-05-16Metal strap rocks: New article.

Uupumus - burnout (in Finnish)

Romahdin keväällä ja menetin jotain tärkeää

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Keväällä 2019 koin pahan burnoutin pitkäaikaisen työperäisen stressin seurauksena. Halusin jakaa tarinani auttaakseni itseäni toipumisessa ja jakaakseni tietoa muille.

Burnout

I had a downfall in the spring and lost something important

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In spring 2019 I suffered a bad burnout after long-term stress. I wanted to share my story, to help myself recover and spread the knowledge.

Metal strap rocks

I like to fix things using metal strap

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I guess most people tend to resort to something specific when something needs fixing. The most common must be duct tape. I like metal strap, the perforated variety. In this short article I introduce some ways in which metal strap can be used for a lot of things.

ESP8266 deep-sleep repeatedly

How to deep-sleep for a long time and save power

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I made my indoor plant a soil moisture meter which reports the values to Azure cloud. However, I had some trouble making my D1 mini board to sleep and wake up reliably. Turns out, just calling the deep-sleep function once doesn't do the trick. I had to deep-sleep for several shorter cycles before reporting the measurement. Check out the article for a brief how-to.

Updates

2019-11-23Add power consumption measurements.

Widening narrow ice skates with a DIY tool

I guess I have weirdly shaped feet

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As a kid, I never learned how to skate properly. Due to my wide feet it was super hard for me to find fitting skates. Eventually I just bought some decent ones and, since I don't have any contacts to boot punchers, decided to build a tool to make them more compatible with my feet. In this article I introduce the super simple tool that you can make too.

Detachable cable and wireless mod for the AKG K701 headphones

Tested with the new FiiO BTR3 (a review)

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For a long, long time I've been thinking of modifying my original Austrian-made AKG K701 headphones to have a detachable cable. After owning the headphones for eleven years, I finally did it. At the same time I kind of made them wireless using the new FiiO BTR3. Check out the article to see how they fit together.

Bluetooth audio in Linux: ALSA and LDAC

Audio using pure ALSA (no PulseAudio) and LDAC codec

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Ever since Bluez dropped support for Bluetooth audio using ALSA, people have been using PulseAudio to connect audio devices in Linux. However, there's a project called BlueALSA which supports high-quality cutting-edge codecs such as LDAC, and it works with pure ALSA. Read the article to see how to use it.

A review and comparison of headphones and earphones

I bought the Urbanears Sumpan and was surprised

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After finally buying a tablet computer I realized I'm missing a certain type of earphones to use with it. I bumped into the Urbanears Sumpan on sale and decided to try them out. Check out the article for a comparison between the AKG K701 headphones, the Shure SE215 LTD in-ear monitors, the Sony SBH70 Bluetooth earphones, and the fancy Urbanears Sumpan earphones.

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