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Beginners • Re: Raspberry Pi 4 B with 3.4" round screen?

Do you mean tech spec?Wisecoco 3.4 Inch Circular Display 800x800 LCD Round Screen Dual Panel MIPI 60Hz Driver BoardDescrition a-Si TFT-LCD ,3.4 inch, 800×800An actual web link would be less...

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General • Re: Writing data into flash memory on PICO2

Thanks for the input.Instead of stopping the other core, can I keep it permantly disabled and run FreeRTOS only on single core?I tried settingCode: #define configNUMBER_OF_CORES 1But it doesn't even...

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Raspberry Pi Connect • Re: Missing mouse pointer

The maintainer of WayVNC is confident that it's not something there, he's any1 in this thread. But similarly the noVNC part of the site hasn't changed for many months.We're a bit stumped for now. But...

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Advanced users • Re: Custom 20V power distribution board for Raspberry Pi 5

The issue is whether we can wire the 5V V+ directly to the VBUS on the USB-C output connector that will power the Pi — and the 5V V- to the USB-C GND — but without connecting anything to the CC1/2,...

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SDK • Re: ThreadX on RP2350

H Kilograham, thanks a lot for your reply.It indeed worked for the IRQ handler names. And as you said it didn't fix the LR corruption problem.I have three lead: Problem with Secure code: cortex-M33...

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Advanced users • Re: using readl() to read GPIO MMIO always returns 0 values

thanks, will try with the address reported by pinctrl, that is indeed 0x20200000 BCM2835.quite strange that the gpio.py using 0x3F200000 reported bit changes when plugging the test high level on a pin...

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Troubleshooting • Pi 5 Camera Not Working After SMD Component Came Off – Need...

Hi,I'm having an issue with my Raspberry Pi 5 after a small SMD component came off the underside of the board, near the camera connector (close to test point TP67). Since then, the camera is no longer...

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Raspberry Pi OS • Re: Migration

Yes as long as you keep in mind it's not an update but a fresh install. There is no upgrade process between RPI OS's. Some processes such as Network Settings changed with Bookworm.Statistics: Posted...

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SDK • Re: [SOLVED] How to read 74HC165 with spi_read_blocking() ?

You can try to invert the output of a pin from IO_BANK0: GPIO[xx]_CTRL Registers:13:12 OUTOVER RW 0x0Enumerated values:0x0 → NORMAL: drive output from peripheral signal selected by funcsel0x1 →...

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Troubleshooting • Re: Issues when powering Raspberry pi 5

there are so many post here on the forum which are dealing with powering the Pi from unofficial PSUi.e. viewtopic.php?p=2215448&hilit=Unofficial+psu#p2215448I'm sorry to bother you ;(( but you...

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Troubleshooting • Re: Traumatised RPI not turning on!

Update on my end, I tried to read the SD card on my computer and its completely dead. Doesnt show up on disk management, doesnt appear to have connected. No idea why it died. Raspberries own SD cards,...

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Interfacing (DSI, CSI, I2C, etc.) • Re: Using PIO-PWM on RPi5

Are you sure you are using the correct pwm "chip"?Code: $ ls -l /sys/class/pwmtotal 0lrwxrwxrwx 1 root root 0 Aug 7 13:50 pwmchip0 ->...

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Troubleshooting • Re: New to raspberry Pi images

Ouch!You're going to need to restore from your backups.Statistics: Posted by kip_the_elder — Thu Aug 07, 2025 2:33 pm

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MicroPython • Re: Help with slow framebuf display code

Better take a look at the SPI init code too. Default SPI freq is 1MHz, which, given a 240 x 240 x 16 bit frame buffer of the LCD unit, copying the buffer across would take about 1 sec. Hmmm.Make a...

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General • Re: How to make a universal firmware for all boards (LED issue)

There is no #if #endif guards, but switch/if directed by whats inside flash at address lets say aboard binary.I guess I simply don't comprehend your proposed solution.The Pico SDK is full of '#if' to...

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Troubleshooting • Re: Raspberry pi 5 displays a green light only for a few...

I tried every method of booting (NVME, USB and micro SD card) and they all have the same issue.the light going from green to red sounds like its shutting down, it doesnt matter what your booting from,...

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Compute Module • Re: Compute module 4/5 programmer

Is that a real photo of a real board? It looks a bit odd.I think it just looks hand solderedStatistics: Posted by scotty101 — Thu Aug 07, 2025 3:09 pm

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Interfacing (DSI, CSI, I2C, etc.) • DSI LCD works on Pi 5 but not on CM4...

I'm trying to interface a MIPI DSI LCD with the Raspberry Pi Compute Module 4 (CM4). The display doesn't come with an official driver, and the manufacturer hasn't provided one. However, it uses the...

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Automation, sensing and robotics • Re: Creating a Terrarium AI that monitors...

It's alright I've taken no offence.Hyperboles are harder to understand when it's just a text with no sound. I do respect your cynicism as well because I have noticed posts that are simply just that....

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SDK • Re: Trojan in Windows 'pioasm'

Our analysis is it is false positive.As suggested here, changing the build system to use UCRT64 avoids the issue.We've requested Microsoft re-evaluate the report.There is a planned v2.2.0-1 release...

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