Beginners • Re: Beginners Question
looking to control solid color leds in groups to fade in and out. I would have 20-25 groups for raspberry to control each group one at a time.I know nothing about how this would need to be configured...
View ArticlePython • Re: Unable to import cv2 on OpenCV installation
It falls after the call to python -m venv env with error ‘/usr/bin/python: No module named venv’.So I reinstalled virtualenv at that location and it said it was already there. Maybe I’m using the...
View ArticleMicroPython • Re: Print the contents in Thonny shell
Thanks again for more support. I will look into these recent ways to get the shell output with the formatting. I know there are other ways to get weather, but this is a challenge for me since I am new...
View ArticleOther programming languages • Re: Julia the Language
Dealbreaker: RAM use? Ridiculous to assume all programs will involve matrix multiplication, and therefore reserve a big chunk of RAM for openBLAS just in case. I can understand a bigger system image...
View ArticleGeneral discussion • How does pi as a “headless computer” accessible only...
Hi,I was reading the official raspberry pi webpage and there are two options.1. With monitor 2. Headless computer And I want the headless computer because i only have a laptop, but what can i see on...
View ArticleGeneral discussion • Re: Booteable NVMe on RPi Zero 2W?
Can you recommend one that is known to work? Orico USB 3.1 Gen 2 Type-C M.2 NVMe SSD enclosure M2PV-C3The M2PV-C3 enclosure uses the Realtek RTL9210 chip for the USB interface. The chip works reliably...
View ArticleTroubleshooting • Re: stuck in emergency mode
The OS wont boot up. Im stuck in emergency mode. I've tried multiple memory cards and multiple OSs. It asks me for a root password and I have no idea what that is. I never set one. I searched and...
View ArticleNetworking and servers • Re: DHCP and zeroconf
zeroconf addresses don't come from a DHCP server. The whole point of them is to make a network functional in the absence of DHCP and DNS servers.Disable zeroconf/linklocal on the problem machine and...
View ArticleGeneral discussion • Re: Cannot install SCIPY on Pico
I don't know what your project is but you may want to determine if the PICO has enough memory to support your needs.Statistics: Posted by DS256 — Wed Feb 05, 2025 12:05 am
View ArticleNetworking and servers • Re: Can't SSH into Rpi NAS after installing OMV
Personally, I don't use OMV. From what I've seen it adds very little and can be problematic. Building a NAS without it isn't actually that hard.[shameless self promotion]Building A Pi Based...
View ArticleCompute Module • Re: CM4 flashing problem
I'm using windows 10. I've followed a few guides and videos. The rpiboot tool says it is waiting for the device but I don't even get any usb connection sound or devices showing in device manager when...
View ArticleGeneral discussion • Re: Clone bootable 2Tb nvme to 4Tb.
It depends on how much capacity the microSD has compared to what you have on your NVME. To me, the reason why its failing, is because you seem to want to move from an old NVME to a bigger one, which...
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General • Best ADC_AVDD voltage when IOVDD=1.8V
I am designing an RP2350 based dev board where, because the RP2350 will interface with FPGA IO banks that are 1.8V max, RP2350 IOVDD will be 1.8V. I have a couple of choices for ADC_AVDD: 1.8V or...
View ArticleGeneral • Re: PT52-Lua The Modern Retro computer
Nice implementation using a memory pool! I just read the NewLib rand() may call malloc(), not saying you use rand(), but whoa, what a gotcha!https://dunkels.com/adam/rand-may-call-malloc/Statistics:...
View ArticleBeginners • Re: Another newb struggling with a startup script
If I double click the file the script runs as expected. Any advice?Not immediately but I do have a question or two:Which model PiWhich OS and named release of that OS are you running?If your OS was...
View ArticleDebian • Re: VNC has no fonts
are you using the latest raspberry osI'm not, I use vanilla Debian Bookworm.Statistics: Posted by jimmi61 — Wed Feb 05, 2025 12:50 am
View ArticleAutomation, sensing and robotics • Re: Fan Control System
Couple of things:How are you powering the Pico?If you connect just the 12V and ground to the fan, then most will run at full speed.Assuming this is so, what is the voltage between:Tach and ground?PWM...
View ArticleGeneral discussion • Re: PiZero OTG: host or peripheral
Please comment if I'm missing anything else that may be helpful to include.Some initial thoughts:If the ID pin on the USB Micro-B is shortedShorted to what? Ground? Yes. +5V? No. It matters....
View ArticleGeneral discussion • Brand new Pi 5 just flashes green once and then red
I bought this from Seed Studio. I formatted an 8G micro SD for 64 bit OS and plugged the video, ethernet and USB (for keyboard and mouse) just like I do on the other 3 pi's that work and this one is a...
View ArticleOther RP2040 boards • Re: Custom RP2040 no port detected
That is concerning, I thought it was related to the CS issue. I have done a whole board redesign and moved the flash right next to the RP2040, along with having all the traces on the top layer and the...
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