Troubleshooting • Boot RPI4b from USB without EEPROM update
Hi,I have a RPI4b with a broken SD card slot. I think the EEPROM is not updated.Is there any way to let it boot from USB device instead of SD card? Searched online but cannot seem to find what I am...
View ArticleTroubleshooting • RPI4B boot from USB without SD card
Hi,I have a RPI4b but my SD card slot is broken and my EEPROM seems not to be updated.Is there any way to boot my RPI via USB instead of SD card. Searched online but cannot seem to find this...
View ArticleHATs and other add-ons • Your experience of PCIe 2 or 3 on RPi 5?
Do you set PCIe 2 or 3 on NVMe SSD?What brand and make of the SSD and adopter HAT?I am trying to gauge stability for choosing the speed.Statistics: Posted by David16962 — Sat Jan 18, 2025 2:52 pm —...
View ArticleC/C++ • WiringPi Needs the Help of a Developer for Pi 500
Hi,If there is any developer with access to a Pi 500 and/or CM5(L), it would be helpful if they could test a developer version. Support for Pi500, CM5, and CM5L has been added to the 'Pi500' branch,...
View ArticleGeneral discussion • Pi 5 Fan socket
I'm trying to find which is pin 1 on the fan socket of the pi 5. Is pin 1 on the edge of the board side or is that pin 4?I'm trying to wire up a 5v noctua fan my 4 pin JST-SH cabless colour code is...
View ArticleGeneral discussion • Connecting Waveshare 10.1 touchscreen to a PI5
I've bought a Waveshare screen (https://www.waveshare.com/product/raspb ... m?___SID=U) and I'm trying to understand how to connect it to my PI5.I'm following the instructions in...
View ArticleRaspberry Pi OS • How do I check the CPU frequency？
Code: :~ $ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freqcat: /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq: No such file or directory:~ $ vcgencmd...
View ArticleSDK • Noob question about the vfs library
Hey guys. I'm trying to import a program that reads inputs from a .txt file onto the pico and while trying to find a way to import that .txt file onto the pico, i stumbled across th vfs library. Is it...
View ArticleBeginners • Porting from 3B to 3B+
Hi i am looking for a little help, Ihave inherited a model 3b running some code written years ago, I need to get the code to run on a newer Pi due to the discontinuation of the model 3.when i move the...
View ArticleOfficial Display • Pi Display Loses Touch Every Few Weeks
I have been using the official display 2 with a Pi 5 for a month or two. It is on 24 x 7 sitting on my desk. Every couple of weeks it loses the touch capability. The only way I am able to restore it...
View ArticlePython • Combine three elements to make a URL
I am trying to clean up some code so that it may be shared. The existing code contains URLs that if in the hands of the wrong people could be used to really confuse my device. The URLs contain...
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Troubleshooting • Rpi 400 won’t boot
Hi I have been using my raspberry pi 400 for a few years now, but I recently forgot the password. I tried to reflash the os using the official imager, but I did not find success. I have tried many...
View ArticleOfficial Display • Stopping the console appearing on Touch Display 2
I am running RaspOS Bookworm Lite 32 bit on a Pi3 with the Touch Display 2.My config.txt includes dtoverlay=vc4-kms-dsi-ili9881-7inch.I am writing a program that needs to receive touch events from the...
View ArticleGeneral • Capacitor on Pico power feed?
Hello all,I have realised the deepsleep in the Pico isn't sufficient to get a battery operated Pico running for more than a few days or maybe a week or two (I am hoping for months). So I bought a...
View ArticleGeneral discussion • Wind & Rain Sensors
Apologies if this is not the right place for this.I am building a weather station for a Pi and I have got to the point of needing wind and rain sensors and could do with some advice.So far I am...
View ArticleTroubleshooting • SMD component near underside of VLI (USB HUB?) chip broken,...
https://i.gyazo.com/546c3ed524110e0c7f1 ... 4c336c.pngI'm saving a bunch of Pis from my university's recycle bin, and this one was thrown away because "The usb ports all don't work." The USB ports...
View ArticleSDK • UART baud-rates higher than 921600
Dear Forum,I am new to RP2040 and I am developing a micro-ROS based application using this fantastic MCU.I would like to use UART baudrate higher than 921600 which seems to be the maximum baudrate...
View ArticleTroubleshooting • Camera V2 and RPI 4: Adjusting to Changing Lighting Conditions
Hello! I am using a v2 camera connected to a compute module running on an RPI 4. I have a few questions:1. Does this camera capture at a 90-degree angle?2. Is the default setting of the camera to...
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Troubleshooting • Pi 4 does not turn on with 0602PQA power adapter!
Pi 4 does not turn on with 0602PQA power adapter!It's working with every phone I've tested.Input: AC 100-240v، 0.8a، 50/60hzOutput: DC 5V 3A/ 7V 3A/ 9V 3A/ 12V 2.25VAny suggestions?...
View ArticleAdvanced users • Using autoboot.txt for A/B update with secure boot
Hi everyone; I'm currently working on a product using a custom image (built with Yocto) on a CM4. I'd like to set up A/B updates using the autoboot.txt file, and from what I understand from...
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