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Camera board • Extracting Chroma Data From Luminance Mat Object
Long story short, I'm using Libcamera and a IMX219 from ArduCam and I'm trying to get the chroma data from the YUV420 frame.I've done the following so far:1) Set the pixel format to YUV420Code:...
View ArticleMicroPython • Re: multithreading with Raspberry Pi Pico for model railroad
More information seems called for, so here it is.On one side of the layout we have Cogload Junction, which is where the lines to/from Taunton divide to Bristol or Westbury. There is a single track...
View ArticleTroubleshooting • Re: button stops listening further input after single press
Yes, we probably don't want any long-running code or long sleeps in the fucntions called by when_pressed / when_released.Statistics: Posted by neilgl — Wed Aug 07, 2024 6:24 pm
View ArticleRaspberry Pi 400 • No output on HDMI on Pi400
I have purchased a raspbery pi 400 in order to use a PI2SCART on a CRT monitor to watch old school anime.Since connecting that gadget to a scart CRT produced a flickering screen, I decided to first...
View ArticleGeneral discussion • Re: STICKY: PINN - An enhanced version of NOOBS.
Unfortunately, that would break many other ways of booting OSes, like using autoboot.txt, or conditional sections in config.txt, or booting directly from one OS to another, etc.I'm sorry if my initial...
View ArticleTroubleshooting • Re: Can I choose the wifi frequency?
Approaching things from "the other side" if you have "admin access" to your WiFi router and can assign different SSID's to the 2.4GHz a 5GHz bands that may be useful - I rarely run headless so I don't...
View ArticleRaspberry Pi 400 • Re: No output on HDMI on Pi400
Starting point is to connect to display and power, with no other peripherals and no sdcard.You should see a diagnostic display. If you do, what does the "display:" line show?Statistics: Posted by dom...
View ArticleTroubleshooting • Re: Pi 5 - Wi-fi Issues
Looks like it is a metal case, might be at least part of the problem(?).(Wifi doesn't seem to like metal cases.)Statistics: Posted by KeithMck — Thu Aug 08, 2024 5:48 pm
View ArticleTroubleshooting • Re: USB Camera Detects but video won't work?
Although the camera has been recognised as a device, I'm not sure a driver has been loaded for it.Could you try this command to get more detailsCode: lsusb -v -d0ac8:3420That will produce quite a lot...
View ArticleHATs and other add-ons • Re: Could PyBricks be up and running on BuildHAT..
I'm not sure what that ID Eeprom provides for. I thought it auto configured the Pi so it becomes plug-and-play but there still seems to be a lot of 'raspi-config' work to do to make the Build HAT...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: DSI Output Clock on RPI 5
I'm sorry, I was incorrect about it being merged into the latest 6.6.y. I was using the PR as a patch file and applying it to the 6.6.y kernel. Here is the latest patch file for it (as of 8/8/24):...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: DSI bug on Pi 5
Again, many thanks for the help with the DSI driver!Is there any interest in a PR for adding this display to the upstream panel-sitronix-st7701.c driver or should we just maintain a patch for our...
View ArticleTroubleshooting • Re: Raspberry Pi 5 USB 3.0 read performance is worse than...
uname reports:- Pi 4: Linux bladerf-pi 6.6.20+rpt-rpi-v8 #1 SMP PREEMPT Debian 1:6.6.20-1+rpt1 (2024-03-07) aarch64 GNU/Linux- Pi 5: Linux bladerf-pi5 6.6.31+rpt-rpi-2712 #1 SMP PREEMPT Debian...
View ArticleTroubleshooting • Re: Unusable WiFi on RPI5 with active Cooler
Probably not a design flaw - maybe the board is defective. My Pi5-4GB with active cooler is running fine on WiFi (shows 72%), and a Pi5-8GB with no cooler is fine (shows 71%). They are the same...
View ArticleTroubleshooting • Re: Symptom: Raspberry Pi3 does not maintain stable wlan0...
This problem appears to have been related to the group key handshake timeout. The 38 minute repeatability appears to be linked to the time at which the AP renewed the keys: every 3600 seconds.Setting...
View ArticleCamera board • Re: imx577 camera width CM4
Hi mappermapper,Thanks for helping out, this is much appreciated!What I've done is edit the drivers/media/i2c/imx477.c file by addingCode: #define IMX577_CHIP_ID0x0577static const struct...
View ArticleTroubleshooting • Re: RPI4B: Mobile Hotspot not in list of WiFi Networks
Today I have noticed if I change my Samsung hotsport to use 2.4GHz only the rpi can see the network (SSID) and can be connected to the hotspot. 5GHz does not work.But when rpi is connected via WiFi to...
View ArticleGeneral • Zephyr support on RP2350 ?
Hi,are there any plans to support Zephyr on RP2350?Best,PiwiStatistics: Posted by piwi — Thu Aug 08, 2024 6:50 pm
View ArticleTroubleshooting • Adafruit_DHT wont show up in python
Im using raspberry pi 5 and its causing me allot of issues due to old software not being supported thus having to figure out allot of stuff myself, Adafruit_DHT wont show up in python, when i first...
View ArticleGeneral discussion • Re: RP2350 and Pico 2 released!
The bluetooth library for the Pico W does exactly that, storing pairing keys and whatnot in the last 8 KB of flash.I would hope not because that will corrupt the file system when using MicroPython as...
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