Category Archives: Uncategorized

Multiline LaTeX Formulas in Keynote

Posted on April 26, 2021 by Grischa Ekart

Apple Keynote’s support for LaTeX formulas is awesome: go to Insert/Equation… and enter LaTeX code directly (you can also use MathML). The code will be evaluated and results displayed as you type. Here you can find some examples. As a … Continue reading →

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Fixing Squished Images in WordPress 5.5 Theme

Posted on December 11, 2020 by Grischa Ekart

After auto-updating to 5.5 my WordPress site got ugly from day one and I didn’t even detect it. All the images were distorted, the aspect ratio of the image was not being respected. Googling didn’t immediately reveal the problem, so … Continue reading →

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Enter Test Mode on Roland XV-5080 (works)

Posted on July 11, 2020 by Grischa Ekart

The service manual for the XV-5080 describes a wrong procedure for entering test mode. The correct method is: Switch off device (if on) Hold EXIT then power on device Keep holding EXIT until the “SYSTEM/UTILITY” LED lights up (this takes … Continue reading →

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Using Roland XV-5050 via USB MIDI on MacOS

Posted on June 29, 2020 by Grischa Ekart

If you want to use your XV-5050 with a newer version of MacOS, you don’t have to install a driver. The driver supplied by Roland in 2000 will not work, of course! We will use the generic class compliant USB … Continue reading →

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Roland XV-5050 Repair

Posted on June 27, 2020 by Grischa Ekart

I got a hold of a broken XV-5050. When switched on, it would only display a blank screen and that’s it, no sound, no reaction. After checking audio (no noise whatsoever), it soon became obvious that the device isn’t booting. … Continue reading →

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Roland XV5080, XV3080 Rotary Encoder Problem Fixed!

Posted on June 19, 2020 by Grischa Ekart

This week I received a nice second-hand XV3080. Everything worked fine, except the unit had the dreaded rotary encoder problem: Turning left, values decreased just fine, turning right and strange things happened. Sometimes values went up, sometimes they stayed put … Continue reading →

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Korg monologue Rechargable Battery Mod Prototype

Posted on March 22, 2020 by Grischa Ekart

My Behringer TD-3 mod worked nicely, so it was time to proceed to the monologue. It already is battery powered, but using 6 batteries and recharging done outside of the device. In my opinion a built-in single battery is more … Continue reading →

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Behringer TD-3 Rechargable Battery Mod Prototype

Posted on March 20, 2020 by Grischa Ekart

I love Behringer’s approach to tech and synths. The TD-3 is super affordable and performs like a charm. The community has quickly started modding the TB303 clone and I also decided to give it a simple mod: if there is … Continue reading →

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Korg Monologue and Minilogue XD Color-Coding Using Chroma Caps

Posted on March 7, 2020 by Grischa Ekart

Today I decided for a color scheme for the Korg Monologue and Minilogue XD. Tell me what you think @gekart. Update Final version on the monologue: Issues: The filter knob I purchased in the standard and fat version. The fat … Continue reading →

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Värde Utrusta Wall Cupboard Hinge 30min Fix Ikea Pro Hack

Posted on February 23, 2020 by Grischa Ekart

Ikea offered a nice modular kitchen in their program from end of 1990s and 2000s. Unfortunately, they didn’t support it well. I assume it was too expensive to produce. Ikea also resorted to cheap technical solutions. For example, the 70cm … Continue reading →

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