Off topic discussion • Re: Any PDF converter ideas?
the poppler-utils package has useful PDF to image and text toolsthe ocrmypdf adds OCR text to scanned PDFs or imagesStatistics: Posted by scruss — Mon Apr 08, 2024 2:31 pm
View ArticleAdvanced users • Re: Moving Linux Kernel to 6.6
GPIOZero can use several different pin factories. The suggestion is that you use lgpio:https://gpiozero.readthedocs.io/en/late ... pins.lgpioWhen the doc says "if no default factory can be constructed...
View ArticleRaspberry Pi OS • Re: Raspberry Pi5 (4GB) freezes twice a week, due to too...
Does increasing swap size help?"top" says that I have 100MB swap:Code: MiB Swap: 100.0 total, 100.0 free, 0.0 used. 2364.2 avail Mem What value should I try to avoid the freezes?Is this with Wayland...
View ArticleGeneral discussion • Re: Raspberry Pi5 USB-C PD
What we ideally need is someone who is fully knowledgeable about PD who can detail exactly what does happen with respect to PD negotiation, and how the Pi regulator, power button, and down-stream USB...
View ArticleRaspberry Pi OS • Re: Screen Reader: How to disable?
This morning, i turned on my raspberry pi 4 to hear a voice on my screen. At first, I thought that it was my monitor but as i muted my volume it stopped. I did a load of searching and I found that it...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: CM4 and DSI custom display
Or you should learn that the DSI connector carries an I2C interface.That can be used by the kernel driver which takes care of the bridge initialization.Famous last words: good luck with your...
View ArticleTroubleshooting • Re: RPi 3 B v1.2 ( 2015 ) with more modern OS ?
How are you writing to your SD cards with RPi Imager?Are you using a built-in card slot in your laptop/PC? If so, try using a USB SD card adaptor instead.Statistics: Posted by procount — Tue Apr 09,...
View ArticleTroubleshooting • gpio_request() function returns error -517
Hey, everybody.gpio_request(26) function in driver returns error -517. In the Linux header file, this number corresponds to the error -EPROBE_DEFER: Driver requests probe retry.The preceding call of...
View ArticleTroubleshooting • Picamera2 ModuleNotFoundError
I was recently trying to use the picamera2 library for a python project but when I try to run the program it shows the following errorCode: Traceback (most recent call last): File...
View ArticleGeneral • Re: Cannot build DebugProbe firmware
I tried it here, and it worked OK for me. A search online found someone found it was their ISP causing the issue, supposedly. Check router?Thanks for the tips and diagnostics. After re-booting it's...
View ArticleTroubleshooting • Re: R pi 4b fresh image Rpi OS March 2024 no Wifi
So, if I change the preconfigured profile to be B/G then it will connect once. When I reboot, it does not connect.The dmesg log says.brcmfmac: brcmf_set_channel: set chanspec 0xd022 fail, reason...
View ArticleGeneral • Pico W Footprint Drawing
The SMT footprint drawing provided on the datasheet for the Pico W is very poor in re-use of the letters A, B, C, and D to refer to different items on the drawing.I have four mounting pad positions...
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General discussion • Controlling the digital potentiometer X9C104P with a...
Hello,I've tried using a Raspberry Pi 5 to control a digital potentiometer X9C104P. I followed the wiring diagram illustrated in the image below and implemented the provided code, however, I don't...
View ArticleTroubleshooting • Re: Boot Issues of a different sort - RPi 4B -tried all...
Just an update, the device was apparently defective from a hardware point of view, got it swapped for a new one and it works brilliantly againStatistics: Posted by IGot99Piblems — Tue Apr 09, 2024...
View ArticleRaspberry Pi Desktop for PC and Mac • PiServer and Raspberry Pi OS Bookworm
I was hoping to be able to test some RPI5 with my PiServer install, however the underlying OS for the PiServer is still Debian Bullseye and when trying to add a new OS to PiServer I am only given the...
View ArticleTroubleshooting • Re: Revert rpi-update on Pi 5
There is definitely something broken, if you disable automatic mounting in explorer and mount everything manually, everything works fine.Edit: The problem seems to be the automatic...
View ArticleDevice Tree • Add pca953x gpio expander through pca9548 i2c-mux
How can I add an I2C device driver through the pca9548 i2c-mux overlay?I currently have a GPIO expander based on the pca953x driver. If I connect the GPIO expander to pins 2 and 3 (I2C1) and add Code:...
View ArticleGeneral • Re: Pico W Footprint Drawing
The SMT footprint drawing provided on the datasheet for the Pico W is very poor in re-use of the letters A, B, C, and D to refer to different items on the drawing.I can't see the ABCD refer to...
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Ubuntu • Home Assistant on Ubuntu
Ref: https://community.home-assistant.io/t/g ... -04/608224Statistics: Posted by geev03 — Tue Apr 09, 2024 3:33 pm
View ArticleAdvanced users • Blocking HID Barcode Scanner as Console Input Device
I have an app that leverages a USB Barcode scanner for reading UPC codes. Because it is an HID device, any keyboard / mouse aware app accepts input from it. The udev rule (below) allows me to exclude...
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