I just got an oscilloscope from a cool guy, and I wired it up to my Raspberry Pi with a potentiometer so I can move the voltage line across the CRT. I’d like to order a digital potentiometer so I can wire it up to become a sort of audio visualizer or something. This vector-esque CRT graph display is really cool, and playing some beats with a visual would be the coolest thing ever. When I get the chance to put some of my cash on my card, I’ll have to order a cheap (around $1.50) digital potentiometer, and follow a guide to use Python to control it. Maybe I could capture output from VLC or any other application to just show a visualizer for any media on the Pi.Winter Hardware Wonderland - Day 10
Today I learned that if you use the proper power sources your Raspberry Pi won’t give you low voltage warnings. I was powering it solely with the Matrix cable, which isn’t very effective when running a full voice assistant.
Winter Hardware Wonderland - Day 9
I checked the power cord I need on DigiKey, and it doesn’t seem to have shipped, even though it is or was in stock on Adafruit. I have a jankily-made Frankenstein one now, but whether it’s affecting performance is certainly a possibility to consider.
Winter Hardware Wonderland - Day 8
The clock can now tell mediocre jokesWinter Hardware Wonderland - Day 7?
The clock now has a good system to display basic information about the current process running.Winter Hardware Wonderland - Day 6
It can now ~pirate~ borrow music from YouTube and play it when asked. This was tricky to do and I ended up using VLC to play it since all the Python libraries for playing aren’t very good, especially with MP4 audio.Winter Hardware Wonderland - Day 5
The screen can respond to voice input for notification purposesHardware Winter Wonderland - Day 4 I think
Voice commands are working as intended! I’m not worrying about the matrix flickering because I’m running the pi over one cable instead of the recommended 2, so technically it might be underpowered. I’ll use 2 cables in the end.Winter Hardware Wonderland - Day 3
We now have display output on the matrix! I also have an extensive system for it.
Winter Hardware Wonderland - Day 2
VNC is set up with my Pi so I can do development without setting up the painful Pi HDMI, and I have more control over the device. It makes it a lot easier to use.
Hardware Winter Wonderland - Day 1
I have the USB devices and LED matrix plugged in, soldered, and ready to go. The cable for the matrix was back ordered but luckily I have one that was cannibalized from two different cords.
