Raspberry Pi Connect • Automatic resolution change
Hello, I set screen resolution to 1024x768 (Preferences/Screen configuration/Layout/Screns/NOOP-1/Resolution/1024x768).After reconnect to the RPi there is diferent screen resolution: 1280x673 ......
View ArticleTroubleshooting • NetworkManager/dispatcher.d scripts not being executed for...
I have a script that I want to be executed when wlan0 is taken down. I have tried both the following: a) place a script in /etc/network/if-down.d; b) place a script in...
View ArticleTroubleshooting • Raspberry pi 4 doesnt boot :(
One of the DMG1012T n channel MOSFET that ispart of teh HDMI CEC circuit was desoldered from my raspberry pi 4, the 3v3 pin voltage droped to 1.8V and i would like to know what is happening...
View ArticleAdvanced users • Status LEDs to GPIO Header
I am trying to use the information from an old topic to set up the LEDs of the ethernet port to be outputs on the GPIO so an external RJ45 with LEDs can be used. The old topic in question is in the...
View ArticleAdvanced users • ADATA SD620 external SSD: eject does not function properly
I tried using an ADATA SD620 connected to USB3.0 on an RPi5 and RPi4B, under Bookworm and Bullseye respectively. Since I did not intend to use it as a boot drive but rather to move data between...
View ArticleGeneral discussion • Waveshare 1.69 display and Raspberryt PI 5
I have been struggling for hours trying to get the waveshare 1.69 240x280 SPI display to work ith a raspberry pi 5 running stockbookworm 64bit OS. I tried to follow the guide on the waveshare website...
View ArticleAdvanced users • wireshark on raspios bookworm with rpi 8" touchscreen...
When I run wireshark on a pi4 fitted with an official raspberry pi 8" touch screen. It brings up a window that is much bigger than the available screen size. The desktop and other programs uses the...
View ArticleTroubleshooting • Raspberry Pi Imager - cannot paste public key
Hi folks,I'm using the Pi Imager on Windows 10. Under "OS Customisations" I've checked the "Allow public key authentication only" box, and get a data field headed "Set authorised keys for...
View ArticleTroubleshooting • LibreOffice File Access on NAS
I'm still looking for a fix for the inability to edit files on a NAS using LiberOffice on the RPi. See my October 2023 post for more details.Briefly, when I try to open a file on OpenMediaVault or...
View ArticleSDK • HSTX help to configure for 8-bit parallel transfer
I'm trying to use HSTX to output an 8-bit parallel datastream to an R2R DAC and can't find the magic set of parametersI assume that the example settings for hstx_ctrl_hw->expand_tmds and...
View ArticleBeginners • RP2040, min power consumption, run on CR2032
HiI want to run a XIAO-RP2040 on as low power consumption as possible, the goal is to run it off of a CR2032 battery that will last for two days.The function is that of a simple timer, with one...
View ArticleGeneral • Latching an "interrupt"
Hi all, So in my current project I'm going to use an MCP2307 I2C I/O expander to control some outputs and inputs (buttons), as most of the I/O on the Pico 2 is currently in use. What I'd like to do is...
View ArticleGraphics, sound and multimedia • Is Rpi4 capable of playing two full HD...
Hi,I'm having trouble with the playback speed playing two full HD videos on two screens with Rpi4. I am using two instances of omxplayer to play 1920x1080 30fps 10Mbit bitrate h264 movies on two...
View ArticleTroubleshooting • audacity not seeing audio
just upgraded my rpi4 to bookworm. installed audacity. get music from headphones but audacity doesn't see audio signal. under audio setup it shows the host as ALSA and gives no other option. the...
View ArticleOther projects • How can I disable GPIO button presses while video is played?
I have this project where I am making a sort of space ship command panel for use in the kindergarten I work in, where I aim to integrate a Raspberry Pi in the kids' play. I use buttons to execute...
View ArticleRaspberry Pi OS • UART (pins 14 & 15) support in Raspbian 12
For the life of me, I can't figure out what they changed in Raspbian 12 (32 bit) on the model 3 B+.In Raspbian 11, I had to do the routine steps in raspi-config to enable the serial port and disable...
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Troubleshooting • USB issues on Raspberry Pi after reinstalling Raspbian OS Lite
I was working on an LCD 7" touschscreen app for raspberry, which has a keyboard, mouse and touch handlers connected via usb. 3 days ago, I had to reflash the pi with Raspbian OS Lite 32bit which is...
View ArticleAdvanced users • Supported SD card types/capacities
Most boards have microSD card slots, except of course for the 1B and 1A, which have SD slots. I am ignoring the CM and Pico ranges for the purpose of this question.Is there somewhere that specifies...
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Beginners • Changeing the resolution - sort of
Hi,To my Raspberry Pi 4 there is connected a display with 2048x1536 pixel but with the size of 9.7" only.Result: The desktop is crisp and sharp...and everything is of microscopic size.At what knob I...
View ArticleGraphics, sound and multimedia • Two Way Camera/Audio with Display
A little backstory, I'll be traveling for work for 6months and we thought about getting a pet/baby two way camera with display so I can talk to my wife and kids whenever I'm in the apartment. Yes the...
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