Off topic discussion • Re: Looking to get back into RC flying, maybe with an...
Any other suggestions? What should I be looking for when it comes to transmitter, batteries, charger, and anything else I might need?I think you probably need a Raspberry Pi in there...
View ArticleAutomation, sensing and robotics • Re: RC car driving with sim steering wheel...
Thanks for the reply. Would be interesting to find out. There might be more than 1 way of doing this.Statistics: Posted by Tonyapi — Thu Jan 25, 2024 4:57 am
View ArticleGeneral • Re: make: *** No targets specified and no makefile found. Stop.
Ah! Sorry, so much conflicting information. So is there official Windows documentation?Statistics: Posted by breaker — Thu Jan 25, 2024 5:23 am
View ArticleGraphics programming • Re: Rpi4 GPU performance profiling
Thanks! Setting GALLIUM_HUD actually does something, showing the diagnostic info superimposed on top of the normal video output.Out of curiosity, if I set V3D_DEBUG, since nothing is getting rendered...
View ArticleGeneral discussion • Re: Question about nvme and official case
Right now my Pi 5 is booting from a Samsung Fit Plus USB flash drive. At least that is faster than booting from a Micro-SD card.That's what I have and why I can wait a while without needing an...
View ArticleCompute Module • CM4S -- Sometimes card0-HDMI-A-1, sometimes card1-HDMI-A-1
I have a CM4S device with a display connected through via HDMI. It's running the latest Bookworm OS.The display is configured with:Code: dtoverlay=vc4-kms-v3d,noaudiodisable_fw_kms_setup=1Sometimes...
View ArticlePython • Help with UART on TCM2209 with Micropython and Pico
Hi AllBare with me here, quite new to everything… I am trying to learn how to drive stepper motors with MicroPython using TMC2209 v3. So far I figured out how to drive it with steps… And then started...
View ArticleSDK • Re: Any downsides to using RPi 5 for install of SDK?
OK, I'm confused now; that sounds like a big problem. Could you explain briefly?First, we're talking about the case where the Pico's SWD data and clock lines are directly connected to GPIO pins on a...
View ArticleAdvanced users • Re: "Realtime" GPIO with bcm2835...
preempt_disable() and preempt_enable() give me implicit declaration errors, which library must I #include to get them?I think you need to be using a PREEMPT_RT kernel, and then, you need to write your...
View ArticleAndroid • Re: [DEV] LineageOS 20 (Android 13) for Raspberry Pi 4 & Pi 5
They know why the Disney+ ATV and Star+ ATV app does not work correctly??Statistics: Posted by espaun206 — Fri Jan 26, 2024 4:29 am
View ArticleTroubleshooting • Re: Raspberry Pi 4 Bookworm crashes while using remote...
Tried a couple more things. A new beefier power supply did not prevent the issue from happening. I also tried disconnecting all of the USB devices. That also did not prevent the issue from happening....
View ArticleTeaching and learning resources • Re: Advent of Code 2023
Day 21. Solving day 21 part 2 requires that you notice patterns in the input data that don't exist in the test data and use all sorts of assumptions about it. I really don't like this approach and AoC...
View ArticleGeneral • Re: Does AGND have to be 0v?
What happens if the voltage to be measured is greater than 3.3v?If you use a 6V voltage reference to subtract then your 8.4V and 7V will vary between 2.4V and 1V on the ADC, it won't go below 0V with...
View ArticleTroubleshooting • Trouble Creating A Systemd Service
HiI am trying to have a webRTC program start upon booting my Pi. I've decided to use a systemd service to do this as I use this method on other Pi's.I start by creating the service:Code: sudo tee...
View ArticleTroubleshooting • hdparm -> SG_IO: bad/missing sense data
Hello All,Testing two external USB3 drivers.sdb -> WD 5TB 2.5inchsdc -> Toshiba 4TB 2.5inchGetting this error code on the WD. What's the significance?Code: root@rpi4b:/media# hdparm -tT...
View ArticleTroubleshooting • Re: Trouble Creating A Systemd Service
run "journalctl -f -u webrtc.service"does it show any logs? do they explain what is going wrong?Code: ExecStart=GO111MODULE=on go run *.goi would also suspect that, because ExecStart must be an...
View ArticleTroubleshooting • Re: RPI4 doesn't boot when power USB3 hub connected
Hi All,Any ideas?? Could anybody please point to a powered hub that is known-working with RPI4 bullseye?Cheers,GertStatistics: Posted by Gert — Fri Jan 26, 2024 5:15 am
View ArticleTroubleshooting • Re: Prevent hdd from turning on during shutdown?
The only way you could consistently reduce the clack is by getting the head to move to the outer tracks of the disk before powering off but after the OS has closed the filesystem,. With modern drives...
View ArticleTroubleshooting • Re: Logitech USB Mouse/Keyboard stopped working after...
From various google results (albeit old posts).....The kodi user doesn't have permission for input devices. This can be fixed by adding kodi to the input group.Code: sudo usermod -a -G input...
View ArticleGraphics programming • How to configure Rpi5 Vulcan heap size?
I'm trying to get VkFFT to run on an 4GiB Rpi5 and am having a call to VkAllocateMemory fail when trying to allocate a 1GiB buffer.Using vkGetPhysicalDeviceMemoryProperties2 I see that on my Rpi5 that...
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