General • Re: N phase shifted pwm signals
Just do this on the CPU using DMA.Let me talk through the look up table (lut). You have 4 pins, each pin has its own table. There are 10 steps per period. (I allow you to address any configuration via...
View ArticleCompute Module • Antenna Pattern and Schematic for FCC certification
Hello,we need to get documentation of the internal antenna and CM4 schematics for finishing FCC certification.Our device is handheld type which mean current FCC certification is not enough and must be...
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Raspberry Pi OS • Re: Debian GNOME Ubuntu NO SNAP
Hey Palpatine, awesome progress! If you want it to look and feel even more like Ubuntu, you could check out steps 2.1 through 2.6—just a tip! Let me know how it goes!Statistics: Posted by Wobbo — Wed...
View ArticleBeginners • Re: ruspberry pi error
I'm quite sure it's because you're misspelling "raspberry" (check the title of your post!); fix that, and all will be well in pi-Land.Statistics: Posted by altosack — Thu Nov 07, 2024 8:42 am
View ArticleCompute Module • Re: CM4 I/O Board with different two cameras available?
Yes, that should work, as will using the Pi5.Statistics: Posted by jamesh — Thu Nov 07, 2024 8:54 am
View ArticleRaspberry Pi OS • Re: Forcing a Desktop Screen Resolution, on Raspberry Pi...
Add below to the beginning of cmdline.txt, make sure all remains on a single line.Code: video=HDMI-A-1:1920x1080M@60Dscreen needs to be connected to HDMI next to USB-C.As said, make sure you've not...
View ArticleMicroPython • Re: MicroPython: How to wake Pi Pico / Pico W / Pico 2 from...
Yes, you can use Pin.irq() to wake up the Pico from sleep. For the sleep state, machine.deepsleep() is typically used for deeper power saving, while machine.lightsleep() is lighter but still reduces...
View ArticleTroubleshooting • Re: NVMe: Slow WiFi on Pi5
Makes sense. I did wonder if that was the case, so I moved the Pi to about 10 feet from the WiFi router and the connection speed leapt up to pretty much what it should have been. So, as a solution, I...
View ArticleBeginners • Re: need help choosing a power cord for my RPI4
https://www.raspberrypi.com/products/ty ... er-supply/ ?Statistics: Posted by jamesh — Thu Nov 07, 2024 9:29 am
View ArticleBeginners • Is it safe to clone a Raspberry Pi onto an SD card while a code...
Hi all. I have a Raspberry Pi that is running a very detailed code (measuring sensor details, controlling motors, etc.). I was hoping to get a clone of this system using the 'SD Card Copier' program...
View ArticleTroubleshooting • Re: how to force rpi3 (Bookworm) to output 1080p?
i didnt have to program anyone. i just plugged the HDMI dongle into my rpi. then i connect the HDMI cord from dongle to the TV. now i get instant 1080p from the rpi to the TV. thank you so much!Yes,...
View ArticleBeginners • Surely simple networking help please!!!
HiI have a Raspberry Pi 5 upon which I have installed RpiOS lite.I have a quectel 5g modem/hat which connects to the pi via usb. Eventually I want the pi to function as wifi hotspot > 5g lte modem....
View ArticleMicroPython • Re: New Raspberry Pi Pico 2 not retaining files
Hello,I'm completely new. I'm trying to use Raspberry Pi Pico 2 and it's not behaving.I can successfully upload the RPI_PICO2-20241025-v1.24.0.uf2 file on the Pico using either Thonny or just with a...
View ArticleRaspberry Pi OS • Re: "Raspberry Pi OS 6.6" - Says who ?
Current downloads say Kernel 6.6Yes, but that's not a great way of referring to the PiOS version.Bookworm started off with 6.1 kernel, is currently 6.6, and may be updated to 6.12 before trixie...
View ArticleTroubleshooting • Re: Raspberry Pi 4 // Trouble Outputting to a 1280x400 Display
Bleh, typo with the _ instead of +.Best option is to fix up the EDID as none of the other mechanisms work under all circumstances.You're unlikely to be able to actually reprogram the monitor itself,...
View ArticleGeneral discussion • Raspberry Pi without Wi-Fi and Bluetooth
HiI need some Raspberry Pis with the Wi-Fi and bluetooth physically removed (not just disabled). I still need the USB and ethernet ports.Do you know whether Raspberry provide such a device? I'm...
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Troubleshooting • Playing video Youtube or VLC audio out of sync
I have always on Raspberry pi 4 and 5 when playing video VLC or YouTube that my audio is out of syncI thought with Raspberry pi 5 that it would be better, but still I am seeing itNot sure if there are...
View ArticleC/C++ • Can't use WiringPi on Raspberry CM4S
I was using WiringPi for my various C scripts on my Raspberry Pi CM3 before the library was deprecated. I’ve now switched to a Raspberry CM4S (running Debian GNU/Linux 12) and installed version 3.10...
View ArticleTroubleshooting • Re: Playing video Youtube or VLC audio out of sync
A problem can simply be that you use an audio output device that does not properly state or handle its delay.A Pi5 only can do HDMI audio out of the box, rest is your own DIY, Test it in a normal...
View ArticleGeneral discussion • Re: Raspberry Pi without Wi-Fi and Bluetooth
You can modify the latest Pi 5 to disable the wireless chip. Please email applications @ raspberrypi dot com and I can pass on the details. Note, its a fiddly job.Alternatively, you are correct that a...
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