General discussion • Re: Python
Sure did - people got their feefees hurt.Statistics: Posted by nunciobitis — Fri Dec 22, 2023 8:46 pm
View ArticleGeneral discussion • Re: Raspberry Pi 5 discussion thread
is "vcgencmd measure_clock arm" broken? ive noticed its always returning 1.5ghz on the pi5, but cpufreq claims its changingWorks for me.Code: $ vcgencmd measure_clock armfrequency(0)=1500002816$...
View ArticlePython • Re: HC-SR04 ultrasonic sensor
On a pi4 with an HC-SR04 attached, running Bookworm 64-bit with desktop (no venv) this modified version of OP code works when called from f-some-main.py : Code: import RPi.GPIO as GPIOimport...
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SDK • scanvideo Timings on a TFT LCD
I'm trying to use the scanvideo library to drive a TFT LCD. I managed to get it working using my own driver code (having not noticed the scanvideo library before), but I figured it'd be a good idea to...
View ArticleGeneral discussion • Re: RPi5 : tasksel -cinnamon- changes not reflecting
Slow ?! Are you running from SD ? Tiz fine from an USB-SSD...Statistics: Posted by itsmedoofer — Fri Dec 22, 2023 8:55 pm
View ArticleTroubleshooting • Re: Raspbery pi still hot in shutdown mode when plugged in...
There's a nice Jeff's blog about it.Statistics: Posted by filip.slo — Fri Dec 22, 2023 9:15 pm
View ArticleCamera board • Re: Face Detection Auto Exposure
It happens automatically if you use capture_array() which outputs a NumPy array that OpenCV can read. The only gotchas are you need to ensure you've configured Picamera2 to capture RGB rather than say...
View ArticleGeneral • Re: Possible to keep RTC time set after soft reboot?
t.year = (watchdog_hw->scratch[0] >> 26) + 2022;Pedantic, yes - But just to note you have a 2085 bug looming in that.The easy option is to use two scratch registers, year in one and the rest...
View ArticleGeneral discussion • Re: Where can I buy a RPi 5?
DigiKey is dry... I am seeing zero in-stock inventory. I sent a letter to my logistics expert and hopefully it will be resolved soon (Santa).Statistics: Posted by chipace — Fri Dec 22, 2023 9:44 pm
View ArticleGeneral • Re: Raspberry pico st7789 display rotated.
I found that by changing three lines I could rotate the image 90 degrees clockwise like I needed:self.write_cmd(CASET, b'\x00\x00\x00\xF0')self.write_cmd(RASET,...
View ArticleTroubleshooting • Re: Trouble setting up whipper to run automatically
when I try to start the systemctl process with Code: sudo systemctl start rip-audio.service I get the error ...Code: ...Dec 22 13:55:35 raspberrypi whipper.sh[3726]: Error: drive offset unconfigured....
View ArticleTroubleshooting • Re: Audio via HDMI - unable to make it work
...Return of ps is this:Code: pi 1959 1941 0 19:20 ? 00:00:00 /usr/bin/pipewire-pulseroot 2977 2879 0 19:20 ? 00:00:00 s6-supervise pulseaudioroot 3680 2977 0 19:20 ? 00:00:02 pulseaudio --system...
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Beginners • Re: Migrating from RPi4B to RPi5
HiI know that there is some risk having Octoprint and HA working together (plus the web access configuration...).But, I will give it a try. I will see if the PI5 is "as good as they say" My workload...
View ArticleSDK • Problem with WS2812_Parallel example past 7 rows
I was checking out the WS2812_parallel example that comes with the C SDK.My goal is to get it work with 16 parallel channelsWith the way the example is designed, it seemed that it could work with up...
View ArticleGeneral • Re: Transfer data over wifi for pico for a high sampling rate
Ok so that means there is a delay between acquiring and sending data.But that should not be a problem.What I want to know is, is there any delay between multiple acquire? I mean for example in this...
View ArticleGeneral discussion • Re: RPi 5 as a desktop daily driver?
I'm asking the question because I don't have a default setup to look at.PeterOStatistics: Posted by PeterO — Sat Dec 23, 2023 9:07 pm
View ArticlePython • HMC5883L heading
Hello, I would like to get a heading value from HMC5883L. The values I am getting are strange and unexpected. I am using the correct declination angle and there are no magnetic elements around the...
View ArticleTeaching and learning resources • Re: Advent of Code 2023
Day 23 is the first puzzle I could not get to run under one secondCode: --- Day 23: A Long Walk ---Part 1 - 2402Part 2 - 6450Elapsed - 3452.47 ms.Is the Pi 5 still faster than the comparable ARM...
View ArticleAdvanced users • Re: RPi 4B no shell over UART with meta-raspberrypi
After logging in using a keyboard and the HDMI output (or SSH), what does "cat /proc/cmdline" show? I don't need the full output, but look for "console=..." settings.Statistics: Posted by PhilE — Sat...
View ArticleSDK • Flashing more then 2mb of memory at runtime
I have been trying to use flash_range_program during runtime to use the total 16 mb of flash memory for permanent storage on my project. I am hitting a issue where when I try and access above 2mb with...
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