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Troubleshooting • Yet another non-boot RPi 5 - solid red light
Hello,I recently purchased a Raspberry Pi 5 and OEM heat sink as well as a Canakit 45w power supply with switch because the only power supply I had was only rated at 3amps and had no switch (I hate...
View ArticleRaspberry Pi OS • Bookworm not connecting to WiFi on Raspberry Pi Zero 2W
I have been burning multiple headless Raspberry Pi Bookworm OS for my Raspberry Pi Zero 2W, but the it does not connect to the current WIFI.So I added a serial cable an enabled the uart. I saw that...
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Python • Rpm,tachometer, refine
Counts 2 times, up and down edge, how can I solve this?I am a miller on a historic windmill in Belgium, I am trying to make a speed counter. Pi4 8gb[code?]import RPi.GPIO as GPIOimport timeimport...
View ArticleDevice Tree • SPI1-2cs in dtoverlay GPIO18 Output instead of SPI1_CE0_N
Hi,i am using the spi1 overlay like this.My spi bus where it is connected is 1 and the CS 0. The INTA is connected to GPIO16.Code: dtoverlay=spi1-2csWhen i check now my pins with pinctrl it says that...
View ArticleRaspberry Pi OS • Is RPIOS Desktop obsolete?
I just downloaded it and installed it to an old netbook and it is taking forever to update. The installation media on the webpage is from 2022. Maybe it would be a good idea to update the iso file...
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Beginners • Pi Zero 2 - Which OS for Robot control
Hello I am building a robot and I would like to use the Pi Zero 2 as the 'brain'. I was wondering which would be the best OS Image to use?The project will be coded in Python, and I will need to...
View ArticleJava • ADS1118 over SPI from pi4j library
Hi,i try to connect to a ADS 1118 analog/digital exchange, but somehow i am not able to get the values of it.Did anyone already figure this out, how to do?My Spi is 1.1 and is running on a CM4...
View ArticleNetworking and servers • Network boot many identical Raspi 4B (overlay: read...
We have in our lab a little LAN with a dozen Raspi 4B workstations and a potent LAMP server, that serves also DHCP, DNS, NFS and SMB. All workstations are identical: Monitor, USB-keyboard, -mouse and...
View ArticleOfficial Display • Rpi5 + Touch Display 2 + OS Lite, how to rotate?
Hello,according to the Docs https://www.raspberrypi.com/documentati ... ml#install all that is needed is to throw video=DSI-1:1280x720@60,rotate=90 at the end of the /boot/firmware/cmdline.txt .Well,...
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General discussion • Chromium hardware acceleration Xorg Bookworm Lite
Hi AllI'm using the latest bookworm lite (19 Nov 2024) build and my CPU usage seems to have spiked especially under chromium, no issues using the same build with bullseye (22 Oct 2024)I've read in...
View ArticleTroubleshooting • Low voltage warning at 1.5V
I got many low voltage warning on a Raspi 3B, and checked with: vcgencmd measure_volts, so it show 1.5V. This make no sense the RASPI SEEM TO WORK FINE ....I change the power supply to another 5V...
View ArticleAI Camera - IMX500 • How to Benchmark: Accuracy and Inference Time
Hi everyone,I am using the new Raspberry Pi AI Camera connected to a Raspberry Pi 5.I successfully deployed a custom YOLO object detection model on the camera, but now I would like to send images...
View ArticlePython • Reading button state at program start
I am using the gpiozero library on my RPI 5 to read the state of a button. The button is part of a robotics application and is pressed when a mechanical part has reached its extreme position....
View ArticleAdvanced users • Moving Linux Kernel to 6.12
We are planning to move to the 6.12 kernel in the near future (perhaps a few months).This is expected to be the next upstream LTS (Long Term Support) kernel.One advantage is there is more raspberry pi...
View ArticleAutomation, sensing and robotics • Ultra-low temperature sensor (–80 °C)
Hello,Has anyone come across a Raspberry Pi-compatible ultra-low temperature sensor that can measure temperatures down to –80°C (or even better, –100°C)? We have some deep freezers at work, and we...
View ArticleTroubleshooting • Gadget mode on raspberry pi zero 2w bookworm 12 64 bit lite
I have tried many tutorials online with no success on getting my raspberry pi 2w in gadget ethernet mode. I would like to connect my android tablet via usb cabled, so I can ssh from my tablet into my...
View ArticleHATs and other add-ons • Using PoE+ HAT and requesting additional power from...
I haven't seen mention of it or can't find it, but is there a sample script, documentation or something about how to request the additional power from the switch when using the PoE+ Hat.Statistics:...
View ArticleTroubleshooting • System not seeing M2 HAT and/or 256 card
Pulling my hair out at this. Raspberry Pi 5, running latest bookworm update. Raspberry pi approved power supply for Pi5. Active cooler fitted.Followed official documentation for fitting official M2...
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Troubleshooting • Raspberry Pi5B bookworm desktop version, The backgrounds of...
Hello,Can anyone help me solve this problem?The backgrounds of all menus, programs, buttons, and prompts become transparent.It could also be that some program has been installed and my desktop system...
View ArticleRaspberry Pi OS • Install Raspberry Pi OS without Raspberry Pi Imager?
Stupid question, but in light of the recent problems I've been having... how can I install Raspberry Pi OS without using Raspberry Pi Imager?Before Raspberry Pi Imager, I used win32 disk imager. Can...
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