Troubleshooting • Boot problem with Pi B+ ; Irregular Act, but no Eth
Hi All,First off, this pi is probably toast. I found it in a box that had "broken?" written on it.That said, I perused the boot sticky, and this is the result.0. Solid red LED with no SD card. To me...
View ArticleMicroPython • DMA with Control Block Not Transferring any Data
Hello!For a project that I am working on currently, I decided to try to modify an existing library that uses a PIO state machine to decode a quadrature encoder by using 2 DMA channels to automatically...
View ArticleTroubleshooting • Windows folder for Pi is denying access all of a sudden
Hi Pi usersIm relatively new to the Pi however I've set up my plex account with the Pi and everything is going well until I came across an issue.I had to shut down the pi as had to check my external...
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 • My confusing with the Pi
I've been using a Pi 4B for a couple years now. I want to further upgrade to the CM5, the CM5 development kit for example. I found it very weird, for all the info. I've read SD and eMMC can not...
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Debian • VNC has no fonts
On my Raspberry 4B I installed Bookworm starting from the image shared here. My target is to run Pianoteq and control it via remote VNC client.I succeed to install and configure Tiger VNC but when I...
View ArticleGeneral discussion • Raspi 5 hdmi audio
I just bought a new display monitor to use with the raspberry pi 5, 8Gb. The monitor has built-in speakers. So I assumed the hdmi cable carryng video would also carry sound and would recognize the...
View ArticleHATs and other add-ons • M.2 HAT+ not recognized
I bought a Pimoroni NVMe Base for my Raspberry Pi 5 and it worked well but I had a big cooler where the card didn't fit unless having it laying beside the Pi. So I bought a Raspberry M.2 HAT+ with 256...
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Troubleshooting • The orientation of a second 16:9 screen is not activated
Hello, I am faced with a problem that I am having trouble understanding. I currently have a RaspberryPI 4B with a 16:10 (1920x1200) screen which is plugged into the first port and a second 16:9...
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Automation, sensing and robotics • Robotics Advice for Special Needs Students
Hi!I run a robotics club at a high school and some of the students volunteer with our school's special needs community after school. They told me that many of their peers with developmental...
View ArticleCamera board • libcamera controls
I find ScalerCrop in the libcamera docs but not ScalerCrops -- I see both listed from rpicam-vid --list-cameras --vebose 2. what is the difference?Code: Available controls for 3280x2464 SRGGB10_CSI2P...
View ArticleCamera board • Back Focus adjustment ring
I bought a global shutter camera and opened it up and there was no Back focus adjustment ring so i cant even mount a lens. does anyone know where I can get a replacement or a 3d model i can print for...
View ArticleGraphics, sound and multimedia • VLC & MPV do not work with large files...
After going through all of the encoding options, codecs, and every other VLC option, VLC and MPV both silently fail with the following error:file system error: read error: invalid argument(error from...
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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 ArticleTroubleshooting • Stellar Labs Computer + Keyboard
My Stellar Labs Computer + wireless mini keyboard works except for F5 that displays Keyboard Interrupt instead of running a Python program.There are probably other compatibility problems.Does anyone...
View ArticleTroubleshooting • Accidental Kernel Update to 6.6.74, Can't Revert to Stable...
Hello Everyone,First time poster and new RaspberryPi user here. I have a raspberry pi5 set up at my house as a server to host homeassistant running in docker. I made the mistake of trusting AI and...
View ArticleGeneral • Do I need to install the BOOTROM on the RP2040 myself?
I am designing a custom board using the RP2040 chip and I want to know if I need to manually add the BOOTROM to the RP2040. Similar to how it works with the Pico, I want to enter BOOTSEL mode by...
View ArticleBeginners • Can I use my pc to run rpi os and then transfer it to the rpi...
I want to work the RPI OS on my actual computer, because working on a RPI is really slow (and my setup isn't helping either...) and when I'm done just copy the files onto the SD card and boot.I've had...
View ArticleTroubleshooting • 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 ArticleAdvanced users • USB MIDI device on Raspberry Pi can't make it work!
I'm on:Linux hp-protob 6.6.74+rpt-rpi-2712 #1 SMP PREEMPT Debian 1:6.6.74-1+rpt1 (2025-01-27) aarch64and I have the Pi5 powered using the 40 pin connector, and the USBC port connected to a MacI have...
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