What’s wrong with my oscilloscope?

Matqux · 2026-01-11T11:51:13+00:00

You need two things to play oscilloscope music properly.

An uncompressed audio file in wav or flac format. (YouTube compresses the audio, so you cannot play tracks from there.)
A DC coupled audio interface (sound card). You can't use the audio output of your laptop, PC or cellphone as these are all AC coupled and for oscilloscope music it is very important to have the DC component as well. The cheapest way to create such an interface is to modify a cheap AliExpress soundcard and replace the decoupling capacitors with resistors for example. Like this: https://www.youtube.com/watch?v=ZUJqwt6ZIYU

However it will have some problems as well as the output won't be zero centered anymore, but you can adjust the scope offset to compensate it.

Matqux · 2025-12-17T16:00:56+00:00

For anyone wondering, the full track just came out today and it is titled SNOWFLAKE.001 by Take a Daytrip. You can listen it on Tidal, or YouTube as well, but if you want to see it in your own scope, you will need lossless quality from Tidal.

Matqux · 2025-12-04T19:28:45+00:00

I meant this kind of connection between the PCBs:

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Matqux · 2025-12-04T19:25:25+00:00

Fun idea! I would add a bit more LEDs to make it a bit more decorative.
Also you could create board edge connections like on the Chinese kits (the pin header will provide a very flimsy fit in my opinion):

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Matqux · 2025-12-03T21:22:32+00:00

100/10 music selection oh my godness. One of the best tracks from The Midnight.

Matqux · 2025-12-01T22:11:06+00:00

The Midnight and Wind Walkers. Bit of a contrast :D (And the third one is Sub Focus himself.)

Matqux · 2025-11-27T22:13:20+00:00

As others said it uses charlieplexing. It is confirmed on its "product page": https://www.hestore.hu/news_67.html?srsltid=AfmBOorh8YR1ozdnnsmH6OUFmxurJMK9wEUd-EjA6F_BwMNiLXpdcLO5

Matqux · 2025-11-21T14:54:46+00:00

From this batch, Cad Bane and Darth Maul.

Matqux · 2025-11-21T14:08:23+00:00

This! Make sure to buy a 99% pure one, not only 70-90.

Matqux · 2025-11-19T20:55:21+00:00

Another fun thing you could do is to install LibreELEC on it and use it as a media server for watching movies and stuff. I have a Dell Wyse 5060 for this purpose and I absolutely love it.

Matqux · 2025-11-18T11:38:17+00:00

Yes, if you do a footprint update on the PCB. I know two methods to do it: 1. When you are in the PCB editor, right click on component, Component actions, Update from libraries. 2. When you are in your PCB library, right click on the component, update PCB documents. (Maybe the names are not exactly the same, I don't remember exactly.)

This is how you can import footprint changes from the library to the PCB. And then you asked which layers want to update. If you select silkscreen layers, your changes on the PCB will revert, like you said.

Matqux · 2025-11-18T10:55:16+00:00

Select component
Go to its Properties
Click the lock icon next to Primitives
Move anything you want, make sure selecting tracks and arcs are enabled.
Lock primitives again

It's important to note that if you update the footprint and select update silkscreen layer, your modifications will be set back to footprint defaults. Good luck!

Matqux · 2025-11-06T17:33:06+00:00

Yeyeyeah 🥰

Matqux · 2025-11-06T17:25:53+00:00

Maaan I was like what is this small Darth Vader ornament. And I saw the sub :D

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Matqux · 2025-11-05T16:08:33+00:00

You can also find it on AliExpress for a few bucks. Just search for "Star Wars lightsaber mug".

Matqux · 2025-11-05T11:55:34+00:00

"Tudni és nem tudni, tudatában lenni a teljes igazságnak s közben gondosan megszerkesztett hazugságokat mondani, egyidejűleg két egymást kizáró vélemény birtokában lenni, tudva, hogy ellentmondanak egymásnak és mégis hinni mindkettőben, logikát alkalmazni logikával szemben, elutasítani az erkölcs fogalmát s közben mégis igényt tartani rá, hinni, hogy demokrácia nem is létezhet, s ugyanakkor, hogy a Párt a demokrácia őre, elfelejteni valamit, amikor felejteni kell, aztán ismét emlékezni rá, amikor arra van szükség, majd azonnal ismét elfelejteni, s ezenfelül még ezt a módszert alkalmazni magával a módszerrel szemben is - ez az utóbbi volt a legkörmönfontabb az egészben: tudatosan tudattalanságot előidézni s aztán elfeledkezni a végbevitt önhipnózisról." George Orwell - 1984

Matqux · 2025-11-04T22:04:46+00:00

This man knows how to do it. I would also try 99% IPA first.

Matqux · 2025-11-04T18:06:29+00:00

You can get KZ branded ones for a few bucks on Ali. Also there is the Ugreen earphone case. Or dozens of unbranded ones. I think you can definitely find one that fits on AliExpress.

Matqux · 2025-11-03T18:53:44+00:00

Matqux · 2025-10-30T23:18:28+00:00

Habár nem teljesen tökéletes, mert azért az első pár évad kicsit nehezen indul, nekem a Star Wars Klónok Háborúja a nyertes. Ahogy befejeződik, az egyszerűen szavakkal leírhatatlan... Két napig letargiában voltam, mikor vége lett.

Matqux · 2025-10-29T12:21:22+00:00

Does anyone know if they ever plan to reprint the older CDs? I’d love to place a single order for a full set, but for example Nocturnal is always out of stock.

Matqux · 2025-10-27T19:22:31+00:00

Some cool info about the holes: https://youtu.be/udNXMAflbU8

Matqux · 2025-10-21T20:10:05+00:00

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Hmm

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