Troubleshooting • Re: Raspberry pi 5 power delivery
the "lock in" that does not exist.Can you tell me which other vendor USB-C PD supplies deliver 5V/5A ?But I do agree it's not actually lock-in if there are alternatives to the manufacturer's...
View ArticleGeneral discussion • Re: how much would it have cost per pi500 to fit the M.2...
It is indeed about $1 per socket. But I suspect the real cost would be testing that socket. If fitted somebody, or perhaps a robot, would have to plug something into it to check it works before it was...
View ArticleGeneral • Re: Multicore optimisations and memory use
Will be interesting to see if this helps, since the smaller loop iteration count may be what gets GCC all excited about "improving" the code!Unfortunately, although this did as it said and stuck more...
View ArticleCompute Module • Re: CM5: What's the status of audio on GPIO 12~13?
Any update or news on this?Office has been shut for the last two weeks, and I do not think this work is scheduled anyway. I will promote it to see if it can be added.Thanks James, I'd like to see this...
View ArticleGeneral • Problem with call rom function on pico2 rp2350
I program in arm assembly on the pico2 and I want to end a program with a reset to restart the pico in usb bootrom mode.The rom api documentation indicates that you have to use the R B codes with the...
View ArticleCompute Module • CM4: USB xHCI documentation
Hi —We’re using the CM4 for an internal project here and are running up against limits when connecting many USB devices (we have 26, not including hubs and the root controller, connected to the built...
View ArticleAdvanced users • Re: using a 2nd SD card on the PI4 blocks all IO when using...
Do you have a reproducer that explodes on the the "IO blocked" condition? It can be anything with a measurable result (e.g. toggling GPIOs from userspace gets slower, or UART TX throughput...
View ArticleAutomation, sensing and robotics • Re: Hall sensor issues
Did a simulation here and the code seemed to work.Simulation: - IR sensor = 1- HALL sensor 10 ms pulses 0->1->0 each 0.51 sec- wheel diameter 0.7- distance 1kmIf you have other parameters, let...
View ArticleTroubleshooting • Re: I can't flash an OS - has my Raspberry Pi SD card gone...
OK I found the way to do it. Instead of using a USB HUB where I plugged the SD card adapter into, I plugged the SD card adapter directly into my PC and it worked. The USB HUB was the reason why it was...
View ArticleGeneral • Re: Base PI4 used for PICO2 development; HowTo?
I use the RPi debug probe from a Linux PC to the Pico hoping any electrical issues will take out the probe first. Binaries are uploaded via SWD debug port. To power the Pico I use the same model wall...
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