Henrik Carlsson's Blog

All things me.

posted this note on and tagged it with ΠiFi Music Player

Tonight I tried to get the volume control working for the πFi. I followed a guide on how to make it, but I failed miserably. I’m still not sure what it is that isn’t working, and that’s the problem.

I have zero prior experience with using the GPIO’s of the Raspberry Pi, and using them while using the HiFiBerry makes it even more complicated so I need to rethink this.

I’m going to place an order for a proper break-out board for the GPIO and some additional components to be able to breadboard and try things out, and I’ll need to put the physical controls part of the project on hold until that has been delivered.

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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 note on and tagged it with Smart Home

@tiffany

I’m just raising my hand and saying that I’m very interested in whatever you talk about in regards to home automation. That stuff is always interesting.

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posted this note on and tagged it with Apple Watch

@sirshannon Well, I don’t own one. Yet(?)

But the series 5 is the model so far that’s most likely to get me to buy one. The always on display takes care of the single most annoying thing about the previous ones, and one of the things that Pebble really got right, and the fact that I don’t have to pay for a band that I won’t use is another great feature.

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posted this note on

@Gabz Can you be a bit more specific?

I’m not going to try to convince you that you are wrong, I’m just curious because Hello Internet is my favourite podcast (along with Grey’s other podcast Cortex) .

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posted this note on and tagged it with Narrating my work

Two weeks ago I was away on a work trip and I decided to try to capture footage to potentially make a vlog out of. Here’s some lessons I learned.

So no, there won’t be a finished vlog this time but is was fun to try.

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posted this note on and tagged it with Photo sharing

@ronguest Then that’s not exactly the right solution now, but your post gave me an idea. I seem to recall FreeNAS being a software based NAS, and there are probably other similar products as well. Maybe one of those has a photo sharing feature.

Original post.

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posted this note on and tagged it with Photo sharing

@ronguest That sounds interesting, but am I right in assuming it’s for the Synology NAS only? I currently don’t use a NAS (I have an old Drobo gathering dust on a shelf) and I was hoping to solve this with either my Linode or an always on MacMini.

Original post.

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