Beta testing • Re: Updating to trixie
Apologies to all for the radio silence from me - I've been unwell for a couple of weeks.Upgrading 32-bit desktop images should now work - I've tested here this morning - but you will need to follow...
View ArticleSDK • Re: Developing with both pico-sdk and pimoroni-pico
Thanks, It works nicely. Much appreciated.Cheers.Statistics: Posted by mevla — Tue Jul 29, 2025 12:27 pm
View ArticleTroubleshooting • Raspberry Pi Boot Issue – Green LED Blinks 7 Times (Kernel...
Hi everyone,I'm facing an issue with my Raspberry Pi 4 (model B) during the boot process. When I power it on, the green ACT LED blinks exactly 7 times repeatedly, which I found typically indicates a...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Multiple MCP2517FD CAN Controller
Code: compatible = "brcm,bcm2835";Well, does the BCM2835 offer that functions? Would change that to Code: compatible = "brcm,bcm2712";as it's Pi5 onlymade a short test, don't know if it's 'nice' or...
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Compute Module • Re: CM4 Write error: "No space left on device"...
You seem to have multiple issues here- old version of the Raspberry Pi Imager- no HPD signal and no EDID provided- issues with your USB on custom board- have you tried flashing it on an official...
View ArticleCompute Module • Re: CM5IO flash with USB-C power
I ended up using a CM4 IO board because power is brought out separately. CM5 IO is useless for flashing anything.Statistics: Posted by astouffer — Tue Jul 29, 2025 1:15 pm
View ArticleAutomation, sensing and robotics • Re: control the speed of 2 wires (5v, gnd)...
pwm as 5v, change duty cycle in userspace ~ core temp. that's the easiest and fastest testNot without additional hardware. The 5V pins on a Pi are not software controllable.just stick the pwm out as...
View ArticleTroubleshooting • Re: Raspberry Pi Boot Issue – Green LED Blinks 7 Times...
Hi everyone,I'm facing an issue with my Raspberry Pi 4 (model B) during the boot process. When I power it on, the green ACT LED blinks exactly 7 times repeatedly, which I found typically indicates a...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: I2C detect problems
Hello! I am been trying to make a robot with Raspberry Pi 5 and been running into proplems with I2C detection. It worked before detecting a camera that was directly connected to Raspberry. But now...
View ArticleSDK • Floating point bugs on RP2040 and RP235X ?
Taking a GCC 12.2.0 compilation on a Pi 4B Bookworm 32-bit as the reference I see what I would expect on the Pi 4B, but when the same code is run on an RP2040 or RP235X I see different results to what...
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SDK • Re: Floating point bugs on RP2040 and RP235X ?
If the chips don't promise IEEE754 (or later) compliance, and if compliance is a criteria you'd need to use something like the SoftFloat library instead... right?[Edit[ Could also be just printf...
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Interfacing (DSI, CSI, I2C, etc.) • Using a Raspberry Pi to Capture Data from...
We are trying to capture data from a custom PLC (a Richard Simon Computapak II controller) controlling a Richard Simon 25kg sack filling machine.The output from the PLC appears to be 5mA-20mA common...
View ArticleTroubleshooting • Re: No Display on Raspberry pi 5 on Acer Monitor VG240Y
Thanks, man its worked, i have used it but without D.What was the issue with D.Why config.txt setting not working.Also , what display line tells exactly on diagnosis screen.The "display:" line shows...
View ArticleBeginners • Re: how to delete files and folders older than 30 days
With great power comes great responsibility.Statistics: Posted by jamesh — Wed Jul 30, 2025 2:06 pm
View ArticleGeneral • Re: New RP235X silicon released
I read in the announcement of the A4 stepping of the RP2350 that there is an accompanying update to the Pico SDK. Does this mean that there are binary incompatibilities between software written for...
View ArticleAdvanced users • Re: It has been almost two years since the release of the...
Indeed, the BBC Micro had a circuit diagram in the user guide.However, the world is a very different place now.There is internet now. One can download schematics now, for various SBCs. It is clear...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Bringup DSI display with EK79007 (again)
.. PS: the whole SW stack is based on yocto/meta-raspberrypi, I did not use the RPI OS.Maybe worth trying...Statistics: Posted by aBUGSworstnightmare — Wed Jul 30, 2025 2:24 pm
View ArticleBeginners • Making QR Codes for Multiple Links
Hi all,I’m pretty new to Raspberry Pi and trying to make QR codes for my project. I know how to create standard QR codes linking to a single URL using libraries like qrcode in Python, but I’m not sure...
View ArticleTroubleshooting • How do I find, set and maintain the screen's supported...
As the title states, how do I find, set, and maintain the screen's supported resolutions after rebooting via the CLI?My Setup:-----------------------Raspberry Pi 5- Raspberry OS Lite - Bookworm (I...
View ArticleSDK • Linker leaves holes in RAM - how to avoid
I've got a data structure that I want to align in Memory Code: unsigned char __attribute__ ((aligned (4096))) DMAbuff[4096];This works as expected but, depending on where it appears in memory the...
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