Beginners • GPIO to VGA
I saw this article about adding RCA out to a Pi Zero.I have lots of old VGA monitors that I'd love to drive with the Pi Zeros. So I was thinking that I could get myself an RCA to VGA adapter and try...
View ArticleAssistive technology and accessibility • Raspcontroller app hotspot
Hey everyone, I had a question about connecting my raspberry pi zero 2w to my phone with the Raspcontroller app. While it does work as intended on the internet at my house, I need to bring it to my...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Serial data parse and save in file...
Hey,my program stops after writing 200-300 lines in the file and i can not find the problem. Has somebody an idea?Code: #include <stdio.h>#include <stdlib.h>#include...
View ArticleNetworking and servers • Unreliable WiFi on RPi5
I recently purchased a RPi5 from CanaKit. It is 8GB with aluminum case.My use for this is to manage astronomical equipment in my back yard. I run a 64-bit Linux-based system called AstroArch that was...
View ArticleTroubleshooting • Jumping Mouse
I've been having a problem on my PI 5 8GB. It doesn't show on my PI 4 8GB so it must be something exclusive to the 5. If I'm reading articles on something like Reddit, or Hack-a-day, as I scroll down...
View ArticleOff topic discussion • older UNIX users use root
Older UNIX users use root, and people should be aware of that, and accept it, and not ask them why. Someone asked me 'dude, why are you root' when I used root on RaspiOS. If you don't want to, then...
View ArticleAdvanced users • Equivalent of hdmi_mode in video= parameter in cmdline.txt
Hi,I have a headless Pi 4B which I occasionally plug a HDMI monitor to it. When I do, the resolution is too small on the monitor. Thus I've been using Code:...
View ArticleCamera board • Need help interfacing MMAL baremetal (not using libs)
Hi, everyone.I am developing an OS based on Raspberry PI.Now I am writing a payload part to it, where OS communicates with VC to get the camera working.I have implemented VCHIQ, and in general MMAL...
View ArticleDevice Tree • Pi 3 - How to obtain GPIO base address in the kernel?
Hi, I'm new to Raspberry PI and Linux kernel.I use Pi 3. (Raspberry Pi 3 Model B Plus Rev 1.3)When I read several articles, it says that my GPIO base register is - Bus Addresses: 0x7E000000- Kernel...
View ArticleGraphics, sound and multimedia • [Pi5] DPI Interlaced mode not working
Hi all,I have a custom DPI bridge mode 6 that works fine in all Pi 3, 4 and 5 models.For making interlaced video modes available in previous models of Raspberry, it was required to simply remove the...
View ArticleRaspberry Pi OS • Increasing swap space without rebooting?
This is sort of inspired by the other threads about swap space - that eventually ended up being a discussion of the merits of Rust - but also I needed to do this just now.I've found that the default...
View ArticleTroubleshooting • Nginx.pid missing in Alpine Linux Docker Container
I'm trying to follow along with the Grant Collins Raspberry Pie home lab video and am having some trouble with Nginx. I'm trying to run the command Code: nginx -s reload while in the Docker container...
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Beginners • Will Pi work with any touch screen monitor - especially HDMI type?
I want to eliminate the need for a mouse or track pad and instead use a large touch sensitive monitor. The question I have, can I buy any HDMI monitor with touch capability and have it work? Or are...
View ArticlePython • Pico PIO using an external clock.
I've tested this code that sets the Pico PIO clock to 10 MHz, divides it by 10 then delivers 1 MHz to Pin 17. This works fine.# This divides the set 10 MHz clock by 10 and sends 1 MHz to pin 17.import...
View ArticleAdvanced users • Default USB ports power to off when booting for 4B.
Hi,I know this has been discussed previously on the forums but I'm still not 100% sure it's not possible.My requirements are that I want to control a USB powered water pump programmatically from a RPi...
View ArticleTroubleshooting • Pre-Configure a Wi-Fi connection via the terminal before...
What I am looking to do is to set up a Wi-Fi network's SSID & password through the terminal before I've ever connected to it.I'll appreciate a step-by-step process as I am extremely new to...
View ArticleTroubleshooting • RPi Zero 2W - Cannot get keyboard or mouse working
I cannot for the life of me get a kayboard or mouse working on this Pi zero 2w.I ordered this https://www.amazon.ca/dp/B01IT1TLFQ?ref ... ct_details to use for full size usb ports but it is not...
View ArticleAdvanced users • Attempting to netboot with buildroot image
I managed to build a minimum image using buildroot-2024.02 source code. When I flashed the image to SD card and boot up using my Pi 4, I was able to boot into terminal without issue.When I attempt to...
View ArticleOfficial Display • 7" touchscreen not powering on
I have Pi 5, and am trying to use the 7" touchscreen. I did buy the Rpi 5 display cable ( https://www.sparkfun.com/products/23683). I am powering my pi with a 25 watt power supply (5V, 5A) via the...
View ArticleUbuntu • Any installable Ubu-based images for pi5?
Hi there everyone,I'm one of the, apparently, many people that can't install 24.04 on pi5 using pi imager to install on an SD card(this thread describes the issue). My issue is identical, the fix...
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