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Interfacing (DSI, CSI, I2C, etc.) • I2C1 stopped working, others act funny
Hi everybody!I got an issue with the I2C of my RPi4B. I use it with 4 MCP23017 expansion cards, each connected to a 16 relays card. A Logic Level Converter (LLC) is placed between my RPi and the first...
View ArticleTroubleshooting • Is there a problem with microHDMI sockets being fragile?
Pi 4 with Pi OS latest releases all updates. The screen size was wrong on first boot today. This is a Pi 4 I use for development experiments. The HDMI cable is unplugged every few weeks to experiment...
View ArticleTroubleshooting • Can't get RPi 5 to recognize AI kit
I purchased the AI kit "hat" for the Raspberry Pi 5. I have followed the instructions in the following post:https://www.raspberrypi.com/news/how-to ... erry-pi-5/However, when I get to step 6, and run...
View ArticleGeneral discussion • raspberry pi 5 acpi bios error
Good evening everyone. I followed a tutorial to install Windows 11 on Raspberry 5. An ACPI BIOS error is being generated by Raspberry 5. I am sending a photo of the problem attached. Does anyone know...
View ArticlePython • Reading Photoresistor Values on LCD
Hello,I'm using micropython and I have gotten the code to read and display readings from a photoresistor to the thonny shell. I'm trying to figure out how to write code to have those readings display...
View ArticleTroubleshooting • how to force rpi3 (Bookworm) to output 1080p?
my monitor is 1080p. rpi3 refuses to output 1080p over HDMI upon reboot or from cold start On.if i go into Preference, i can change resolution to 1920x1080, hit Apply, and that works. BUT off course,...
View ArticleGeneral discussion • Argon ONE V5 M.2 Case
Does anyone have any information about the Argon ONE V5 M.2 case?It is meant to be released this quarter.https://argon40.com/products/argon-one- ... berry-pi-5https://argon40.com/products/argon-one-...
View ArticleBare metal, Assembly language • Using ARM timer on RPI4 with interrupts
Hi all,I'm trying to use the ARM timer together with interrupts. As far as I know, the timer interrupt IRQ_LOCAL_CNTPNS is PPI(14), or IRQ 30.When I program the GIC to use this interrupt, and set the...
View ArticleRaspberry Pi OS • Pi5 NetworkManager
Hi I have a question about my new Raspberry Pi 5. I've previously owned several Raspberry Pi 4 models, and connecting to WiFi was straightforward. I recently set up my Pi 5, but when I try to select a...
View ArticlePython • Can't change display on case
Hello everyone.I'm going to get straight to the point and ask. I recently got a 52PI(ZP0128) case with a small oled display on the front, but I cant figure out how to change the image on it. Any...
View ArticleGeneral discussion • Can not re-write EPPROM on RPi-4
I have done the following steps to re-write EEPROM:1. Insert SDCard2. Write SDCard Boot (in MISC option)3. Insort SDCard into RPi4 and power on4. Wait for the screen display GREEN5. Power offThen...
View ArticleBeginners • Problems Installing Software
Hi Group,I'm trying to install Teamviewer on my Pi5 so a friend can help me install some other software that's particularly tricky to configure. The problem is, I can't even get the supposedly...
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HATs and other add-ons • Using LoRa hat *AND* sensors?
Hi all,I have a project that needs LoRa. I'm looking at the WM1302 hat. It covers all 40 pins, though some, about 8, arent connected. The hat doesn't provide 40 pins to place another hat on top like a...
View ArticleGeneral discussion • Fatal firmware error on Pi 5
Hello,The Pi was working fine a few days ago with no hardware accidents or physical damage. I attempted to flash a new OS, and the board started showing the “Fatal Firmware Error” LED pattern. I tried...
View ArticleTroubleshooting • Opening GUI over SSH in Wayland/labwc
Hi all,I was doing some work with a Pi4B/Touchscreen with an older image, was able to use ```DISPLAY=:0``` before running a GUI script to have it displayed on the pi/touchscreen. I've updated the...
View ArticleBeginners • RPi Paint App
Can anyone recommend a simple paint app for my Pi? Something along the line of MS-Paint, that can crop and annotate screenshots?I just spent a few hours trying to install Kolourpaint and got nothing...
View ArticleBeginners • RPi pico broken?
Hello, i had bought an rpi pico 2 and after uploading an blink code it was working well. But i left it on and plugged to my computer. Maybe after 20 minutes of blinking in disconnected from my pc and...
View ArticleRaspberry Pi OS • labwc Mouse Natural Scroll SOLVED
i enabled Natural Scroll for my mouse as follows with labwc...$ cd ~/.config/labwc$ cp rc.xml rc.xml-orig (Note: created a backup, just in case)$ sudo nano rc.xmlThere are just two lines in the file....
View ArticleAdvanced users • How to determine current i2c bus speed?
How to determine current i2c bus speed? Is there way to determine the current i2c bus speed? I could scan the config.txt for the applicable entry of course, i.e. But that seems like a bit of hack? For...
View ArticleRaspberry Pi OS • Raspberry Pi Imager 1.9.1 missing options
There seems to be missing optionsChoose Device only has the ALL optionChoose OS Only has Erase and Use CustomThese use to have many more options in the pastStatistics: Posted by Annie UK — Tue Oct 29,...
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