Henrik Carlsson's Blog

All things me.

posted this note on and tagged it with Narrating my work The Kid's Music Player ΠiFi Music Player

The Raspberry Pi Camera module does seem to work for the music player, but it did cause me some headaches initially.

The first problem I encountered seemed to stem from a sloppy physical installation of the camera. Once I removed it from the Pi and inserted it back in, it worked.

The second problem seems to be that by default the camera cropped the sensor data, so the QR code couldn’t be read as close to the camera as I wanted. Adding --prescale=640x480 as and argument to zbarcam appears to have solved the problem.

Tomorrow I’ll try using the HiFi Berry Amp2 as well.

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posted this note on and tagged it with The Kid's Music Player ΠiFi Music Player

It appears that I was quite good at documenting my work on the music player, so I’m up and running again now.

Previously I’ve used an old USB webcam (actually a PlayStation eyeToy Camera) as the scanner and it has worked fine. However I wanted something different in the long run, so yesterday I bought a camera module for the Raspberry Pi.

The main thing I’m doing tonight, apart from getting back to where I were, is to test whether this particular camera works or not. So far it has not been plug and play but maybe it was foolish of me to expect that. As I’m writing this I’m doing a apt-get update and apt-get upgrade and then I’ll have to do some configuration in raspi-config.

Also, I’m starting to get reaaaaaaally tired so I’ll probably call it a night pretty soon. I blame daylight savings time.

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posted this note on and tagged it with The Kid's Music Player ΠiFi Music Player

Linn and I finished watching Stranger Things Seasons 2 and 3 yesterday and since we don’t have any other show queued up, now seems like a good time to resume my work on a music player for the kids.

Right now I’m mostly trying to figure out how far I got the last time I worked on it.

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posted this article on and tagged it with Shopping Lists

So I guess I’d very much like any recommendations of easy to use shopping list apps where I can also share lists with Linn.

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posted this on and tagged it with iOS 13

iOS 13 managed to turn inputting things into Remainders from a simple thing into an insanely enjoying one. Having to pause for a second between pressing return on one item and starting to write the next one is terrible when compiling a shopping list.

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posted this on and tagged it with iOS 13

iOS 13 bug of the day: Deleting a file in Files always results in a blank view and me having to navigate back to the directory in question manually.

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posted this on

After having had it disconnected for a long time I’m currently plugging my DroboFS back in to migrate some files from it before finally sending it to a farm upstate and I gotta say, the slowness of something as simple as having it boot and connect to it makes me wonder why I ever got the damn thing.

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posted this on and tagged it with ATP

Is it ATP that has changed or is it me? I feel like I get annoyed when listening to them so much more often these days.

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posted this on and tagged it with iPhone 11

I just removed the clear case from my iPhone 11 and oh my God it feels so much less clunky now.

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posted this on

The sky looked both beautiful and ominous this morning.

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