Troubleshooting • Re: XDG_RUNTIME_DIR error on .py boot
/run/user/1000, echo $XDG_RUNTIME_DIR doesn't exist until the user has logged in to the desktop..bashrc runs before that happens. it also runs every time you open a terminail and every time you login...
View ArticleAdvanced users • Re: Replace the watchdog.service and wd_keepalive.service...
Thagrol, Thanks for your comments!You're welcome. But your use of "we" troubles me (it's a red flag that you may be using Pi and seeking free support for a "for profit" application*) so I'll be saying...
View ArticleGeneral • Re: Pull-ups or pull-downs?
But the simple circuit with just the two LEDs (and their resistors), no switch, is better in some ways as it shows you the three possible states of the Pico pin - high low or undriven. There's a...
View ArticleGeneral • Re: How to Transfer Strings Between Two Cores on Raspberry Pi Pico?
Pass the pointer. However this requires you use global memory such as the heap. Use a wrapper for the storage which has an available method.I would avoid readString on Pico. Can we know the length of...
View ArticleNetworking and servers • Re: Need help with wireless image transmission in...
Something to consider when looking at specialist longer range WiFi is that you tend to need to use a directional antenna. That could prove difficult if the antenna is mounted on a floating buoy that...
View ArticleSDK • Problem with OUT pins PIO command
When I use the below command, I can assert 5 of my set pins high:Code: set pins 31Ideally, I would like to assert more than 5 pins high so I was looking into using OUT instead of SET. However, I can't...
View ArticleSDK • Re: Problem with OUT pins PIO command
My bad - I forgot the sm_config_set_out_pins() call.. I don't know if out and set pins can overlap though:Code: sm_config_set_out_pins( &c, pinOut, 8 ); sm_config_set_set_pins( &c, pinOut, 5...
View ArticleGeneral discussion • Re: STICKY: PINN - An enhanced version of NOOBS.
For pi 5, I would assume you can add only after stable release of openwrt for pi5 is released.Correct. I don't create any images, I just convert existing ones.Statistics: Posted by procount — Mon Oct...
View ArticleTroubleshooting • Re: Recovery tips for failed Raspberry Pi 5 SD card after...
Thanks!I'm not running a custom kernel. I'm also running the recommended firmware/eeprom.So that is also my advice, use BTRFS for rootfs. It requires some tweaks here and there. You have to create the...
View ArticleTroubleshooting • Re: Pi5 won't resolve Umbrel.local
IP addresses don't need to be resolved so I suspect that isn't the problem there.Does it resolve if you don't use the .local suffix? With and without use very different methods to perform name...
View ArticleSDK • Re: Less code compiles larger
-O3 is optimization for speed vs size-g generates debug infoIf size is all that matters, you can try:-Os Optimize for size. -Os enables all -O2 optimizations except those that often increase code...
View ArticleGraphics, sound and multimedia • Re: ADV7280M disabling I2P
What do you mean when you say that the unicam driver in kernel 6.12 has dropped controlling those devices via /dev/videoN?off-topic question, I tried to use rpicam-vid to preview video from ADV7180...
View ArticleGraphics, sound and multimedia • Re: h264_v4l2m2m Encoder Video Quality...
that makes sense thenso recomposing the puzzle and without looking at ffmpeg code, I would swear then that -qmin and -qmax options directly map to those V4L2 parameters in /dev/video13, used by...
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Graphics, sound and multimedia • Pi Audio Box, but I can hear the pi's...
Greetings! I hope this is the correct place to post this. I've also attached a visual diagram.I have a 5V/10a power source. The Pi 4 is powered by USB-C wired directly into the power source (cut...
View ArticleTroubleshooting • Re: [Resolved] SHT31 sensor - changing I2C address on the...
My bad. The subject line was misleading.I thought you wanted to change the i2c address of the device.If the ADDR pin connected to GND didn't change the i2c address, then the device is...
View ArticleAdvanced users • pps0 not created with install of pps-tools
Hi all,I'm trying to set up a pi 3 with an Adafruit GPS hat for a local NTP server. In general I'm following the excellent setup instructions in this blog: https://blog.networkprofile.org/gps-bac ......
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Python • Re: PID controller help
Im still not having any luck with this. Any pid example I’ve found either isn’t set up to work with a pwm output or I can’t get it to work with the rest of my code for the rtd input/pwm output From...
View ArticleTroubleshooting • Re: Headless wpa_supplicant.conf debugging
If you are running the latest version of Raspberry Pi OS (Bookworm) then the method of customising the install to configure things like Wi-Fi settings has changed.A 'wpa_supplicant.conf' file in the...
View ArticleBeginners • Intrusion Detection Systems Help
Good day! I'm curious about using a Raspberry Pi. I have a Pi4, and I want to start a project creating an IDS that monitors my network activity, which would alert me, let's say, if someone accesses my...
View ArticleGraphics, sound and multimedia • Re: Switching from 3.5 inch hdmi touch...
plz hep.Statistics: Posted by therandomgenius — Tue Oct 15, 2024 12:21 am
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