SDK • Accessing ROM memory from SM issues
I have been playing around with state machines and previously was using a ram based buffer for data reading and was feeding data to a external device via the SM. I now have a requirement to use up to...
View ArticleGeneral • Re: Pico reset when controlling 12V DC motor through relay
I would consider a diode and large capacitor to feed the 29V to the buck converter, so that if the motor surge drops the 29V significantly it will have minimal effect on the buck converter.If the up...
View ArticleTroubleshooting • Re: black menus since upgrade
i think where talking about 2 different versions herethe 1 i'm working on is bookworm, the desktop is wayland/wayfire. the current recommended raspberry osthe 1 you seem to be on is bullseye, it uses...
View Article日本語 • Re: ラズパイから0～5Vを取る方法
回答ありがとうございます。1. ワコー技研 ABH3-4042. 24V 8A3. 自動車用12Vバッテリを直列24Vで使います。こんな感じになります。レベルシフター回路に関して少し調べてみます。ありがとうございます。Statistics: Posted by T.T.T.T — Mon Dec 25, 2023 12:58 am
View ArticleRaspberry Pi OS • Re: RPI OS Update Package Error
@dhomas, were you ever able to create the symlinks and move your files to that location? I am in same boat, I "think" my upgrades and updates are working, but this error bothers me.WARNING:...
View ArticleGeneral discussion • Re: Raspberry pi 5 fan connector?
Well,well. Can't post the picture (even 500k is too large) but the red wire is on the inside after all. Need to stop doing this stuff at 2 am.Thanks for all the help, this was harder than it...
View ArticleBeginners • Re: Orange Pi what's the difference?
When I get another PI it be a Pi 5 but I just wondered what the difference wasSurprised talk is restricted but I guess they are a companyI'm just used to opensource first and no one caring like the...
View ArticleGeneral discussion • Re: Using a wireless keyboard with Pi5
Good to know. May I suggest changing the name of this thread to something like: Using Apple Bluetooth keyboard with Pi5?This would make it a little easier for new Pi users to find this very useful...
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General • Re: RP2040 boards (including a Pico) come up in bootsel after...
If you had an o-scope then you could probe the RUN and VBUS lines during these wakeup events to see if you get any unexpected glitches on either of them.If you had a USB protocol analyzer then you...
View ArticleOfficial Display • Re: [Pi5] Display not working
suddenly, the display turned on. follow the same setup and work.thanks!Statistics: Posted by vitpi — Tue Dec 26, 2023 12:51 am
View ArticleRaspberry Pi OS • Re: RPI 5: When booting from USB SSD can not edit config.txt
Some suggestions:Check if the fstab on the SSD hs the boot partition mounting read onlyCheck the output of dmesg for errors relating to the boot partitionChrck thr boot partition for errorsStatistics:...
View ArticleTroubleshooting • Re: Raspberry Pi 4B won't boot at all, new out of the box.
If you haven't already done so start here: viewtopic.php?t=58151 and consider asking on Ubuntu's forums.Statistics: Posted by thagrol — Tue Dec 26, 2023 1:09 am
View ArticleTroubleshooting • Re: Writes to /boot/firmware on RPI5 are discarded upon...
Such symptoms would occur if copied SD with unchanged UUID would stay in. If that is the case I strongly advice changing the UUIDs, fstab and cmdline.txt appropriately if removal of SD is not...
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Troubleshooting • Re: Busy GPIO's Raspberry PI5
I guess 'flask' with 'debug=True' is doing something like this -Code: import gpiozeroimport osimport sysLED = gpiozero.OutputDevice(0)if len(sys.argv) <= 1 or sys.argv[1] != "forked":...
View ArticleGeneral discussion • Taskbar Tooltips on wrong monitor
Hi All,Hoping someone can help!I have just updated my RPi 4B to Bookworm and there's a strange problem with the taskbar tooltips.I have a dual-monitor setup and the tooltips (for the clock, network...
View ArticleRaspberry Pi OS • Re: Fixing Wayland and Wayfire
if your saying you started from net install.Code: sudo systemctl set-default graphical.targetrebootStatistics: Posted by kerry_s — Wed Dec 27, 2023 1:05 am
View ArticleTeaching and learning resources • Re: Advent of Code 2023
I find it amazing how much better ssh works over long distances than it did, for example, 25 years ago.Indeed, but soon to be insecure unless quantum proof cryptographic standards are...
View ArticleSDK • Re: How does SPI DMA work?
I've been looking through the SDK documentation and the example ...Are you looking at spi_dma.c?For the peripheral I am using, I need to:1. write the instruction2. write the address3. read x bytes (x...
View ArticleTroubleshooting • Re: wpa_supplicant.conf and SSH not sucessful connection
There is no 5Ghz on the Pi zero w. I'm surprised it let you choose that option. What firmware did you choose for to run it as a router. I, also, made a Pi Z W into a travel router but it was using...
View ArticleNetworking and servers • Re: Connect WiFi to two SSID at the same time (RPi4B)?
Why not add a USB wifi dongle, if you know it works?Or just automate the switching of wifi networks:Connect to AP A (data source)Collect dataDisconnect from AP AConnect to AP B (internet)Exfiltrate...
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