Quantcast
Channel: Raspberry Pi Forums
Browsing all 5054 articles
Browse latest View live

Interfacing (DSI, CSI, I2C, etc.) • Re: CM4, DSI data append one pixel every...

Hi,I update driver to github. Image is not ok. I use 460x454 resolution. Only problem is image is not center on display and about 2 pixels black on right side of display. But I can handle with this...

View Article


Advanced users • Re: Rpi5: Secure/Measured/Encrypted boot

Hello again. I'm looking into documentation about secure boot on Rpi and found some worrying statements.From https://github.com/raspberrypi/usbboot/ ... -recovery5 :Revoking the dev key - NOT...

View Article


Troubleshooting • Re: When will there be a Raspberry Pi with at least 16GB of...

I need more memory.you may try to increase the swapfile to 8 or 16GBWith the command: swapon -sFilenameTypeSizeUsedPriority/var/swap file2047960-2204796 kB = 204.796 MB = 0.204796 GB swap space at...

View Article

Troubleshooting • raspbian buster - usb device not recognized

Hi,I have a RPI B connected to a UPS and I am using NUTS. Works fine.This is a RPI B+ rev1.3 with a Bullseye and kernel 6.1.21I also have another RPI B (rev.1.2) running a Buster with kernel 5.10.63It...

View Article

Python • Re: Runtime error waiting_for_edge GPIO

I had some real confusion over this as well (no big story when I tell it)The best I can remember is that the LED was always in a constant on state if the power button was latched on. And started...

View Article


Media centres • Re: Peppy player

On my 5" player that uses Iqaudio-dacplus audio HAT, the volume_control in the config.txt is set to amixer, linear and PCM. However, when I display the same config setting using the WebUI, the Volume...

View Article

Compute Module • Re: Getting stuck when attempting to network boot a CM4

If you copy the exact contents of /tftpboot to a FAT formatted USB stick, it does is able to boot from that?Statistics: Posted by incognitum — Mon Jul 29, 2024 1:20 pm

View Article

MicroPython • Re: How to receive large (>1024 byte) UDP datagram packets?

I just ran the example I found here (viewtopic.php?t=340208#p2039727). It's in C, and I can nicely verify that the low level UDP receive callback (RcvFromUDP) gets the information about packets >...

View Article


General discussion • Re: First quarterly report for Raspberry Pi Holdings PLC?

I wonder if that played a part in Raspberry Pi choosing to list on the LSE rather than in America ?I was not involved, but I believe that there was a general desire to keep things in the UK, in much...

View Article


Graphics, sound and multimedia • Re: RPi 5 - omxplayer

I suppose, then, that the best solution is to trade in the useless Pi5 for a 3B+.Note that omxplayer sort of works on the Pi4, but not perfectly.Everything you can do on the Pi3 you can do on the Pi5,...

View Article

Ubuntu • Re: Dual booting via PINN

Which model of Pi are you using?Is there a way is can add my own firmware in PINN? That way I can get the latest retropie and pair it with the Ubuntu in PINN.Statistics: Posted by Squidcoder — Tue Jul...

View Article

Compute Module • Re: Disabling GPU

Hello PhilE,I just see that we have deactivated this module. vcgencmd tells me that other GPU/graphics (3D block speed; GPU core speed; pixel values) units are active, how can I deactivate them?Code:...

View Article

Interfacing (DSI, CSI, I2C, etc.) • Re: Interfacing a 8-bit Serial RGB Display

That's just a rhetorical question.That's worse. What point were you trying to make with your rhetoric?Sorry, but don't get what's 'worse'!do you want to jump through all these rings?if yes: feel free...

View Article


Troubleshooting • Re: Two RPi 5 dead

You can buy a replacement DA9090 from PiHut in the UK, not sure about the DA9091 (and they are not compatible). Note that these are EXTREMELY difficult to replace even with specialised equipment.You...

View Article

General discussion • Re: DIY树莓派5的电源出现黄色闪电符号

How many times does the following need to be stated?Unless informed otherwise via settings, a Pi5 is reliant on USB PD to know that it is being powered by a supply capable of 5A.Statistics: Posted by...

View Article


Advanced users • i2c expander

I am going to use this https://robu.in/product/pcf8574t-i2c-i- ... KgQAvD_BwE expander & i2c based 16*2 LCD display. How can I interface both? what are ready to use module that work in industrial...

View Article

Troubleshooting • Re: Issue with Raspberry Pi 3 Model B+

The customised OS has not been updated to handle some minor production changes to the 3B+.Statistics: Posted by drgeoff — Tue Jul 30, 2024 1:35 pm

View Article


Image may be NSFW.
Clik here to view.

General • RP2040 Custom Board, doesnt run the code

Hi,We've created a custom board with the RP2040 and now we ran into problems running code. I've looked at other threads and tried applying what has been suggested such as lowering clock and changing...

View Article

Beginners • Re: Measuring voltage on GPIO to detect blackout

I have a new idea - use a mains plug with a neon indicator to power the “power bank”. Use a light dependent resistor (LDR) (or phototransistor) to “look” at that neon. If it goes off we know the mains...

View Article

Interfacing (DSI, CSI, I2C, etc.) • Re: PWM phase offsets not working on RP1

You might be better off with RP2040 - PIO is a very capable PWM generator and each SM can do different things synchronously.Statistics: Posted by jdb — Wed Jul 31, 2024 12:53 pm

View Article
Browsing all 5054 articles
Browse latest View live