SpareSimian
SpareSimian
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I don't think so. The Pi 5 has a different connector layout from the Pi 4. There might also be cooling issues, since the Pi 5 runs hotter.
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Updated script. I have it running under systemd as a user of the same name as the script. https://gist.github.com/SpareSimian/257c0737f07d419c70338d1306238d0f
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Aha. It's the module that's wired in a very unintuitive way. It's the Type 2 shown here. So there's no bug in the board. http://www.xlitx.com/Products/7-segment-led-dot-matrix/2841as.html I think the version of the Adafruit driver I'm using assumes…
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Thanks! That suggests that the display module (YY2841_AS-33) is defective. It might be a solder splash, though. I'll have to think about what shorts might result in the error I'm seeing. I think I'm missing something important, as I don't see how t…
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Here's the sample code on the system. I wrapped it in a while(True) loop to run continuously. For the upgraded OS, You'll need to install the Python package with PIP from your link above. You need to be root to run this as it requires access to /de…
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My bad. @FrankD seems to have it right. I looked into this more and found that the matrix is actually wired as a string of tiny microcontrollers, each with red, green, and blue LEDS to form one pixel. The CPU sends a serial stream of data, 24 bits p…
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Here's the control chip's datasheet. https://cdn-shop.adafruit.com/datasheets/ht16K33v110.pdf
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I'm still learning this thing but I suspect the Adafruit_LED_Backpack library can be used to control that. Note that this library is now deprecated and there's a newer version available. https://github.com/adafruit/Adafruit_Python_LED_Backpack This …
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Before doing anything that might brick your Pi, back up the microSD card. Procedure is here: https://github.com/Elecrow-RD/CrowPi2/blob/main/faq/BackupSDCard.md#how-to-backup-the-system-sd-card I'm currently running the official 64-bit Bullseye rele…
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I wanted to install emacs, which required a package update. I found this forum thread useful: https://forums.raspberrypi.com/viewtopic.php?t=318242 Summary of commands, which download about 1.5 GB of updates: sudo apt update sudo apt full-upgrade su…