Camera board • Re: Hyper-Hemispherical Lens Request
The GS and HQ cameras come with a standard C-mount lens mount, and the HQ can also come with an M12 mount. That gives you the choice of almost any lens you fancy. There's no requirement for the lens...
View ArticleSDK • Re: First attempts to use hardware_powman
Except the Scratch RAM areas are also powered down and isn't that where the stack is by default so I'd have thought that would cause major problems if you haven't moved the stack into SRAM0...
View ArticleRaspberry Pi OS • install custom kernel RPi5, cross compile using RPi5
I am trying to install a custom kernel on 6.6.31+rpt-rpi-2712 distribution.I have compiled the KERNEL_2712 plus changes.I am using an RPi5 with PCIe SSD as the host and plug a new fresh imaged SD as...
View ArticleTroubleshooting • Re: Black screen
Hello. I have a raspberry pi 4 using Dakboard. After a few hours the monitor screen will turn black. The monitor is turned on however it appears it is not getting a signal. If I unplug and plug the pi...
View ArticleHATs and other add-ons • Re: Relay Induced Noise
Is your flyback diode in-line with the solenoid (as you describe), or across the coil (as it should be)?Statistics: Posted by ame — Sun Aug 25, 2024 9:45 pm
View ArticleRaspberry Pi OS • Re: install custom kernel RPi5, cross compile using RPi5
There is not a build for using the RPi5 as host and burn the result Linux arm64 kernel for theRPi5 to a SD card. (/dev/sda1-2) Running the following command on the host RPi5 will produce...
View ArticleGeneral discussion • Re: Forget Username and Password
It is unclear what the actual goal (i.e., actual problem to be solved) is here. Is it:1) I want to retrieve the username and password that I had been using a long time ago.(so that I can login and use...
View ArticleCamera board • Re: Software for a Pi Microscope
You could try this.. see if it suits...https://github.com/Gordon999/RPiCamGUIOk thanks! I'll check it out. Another question for anyone who notices this:I am wondering if I can use the Pi 3 as a device...
View ArticleGeneral • Re: GPIO output defect?
If the OP's pull-down driver has been damaged and no longer works, it seems plausible this was caused by over-voltage burning that pin's driver out, perhaps by connecting it to a 5V signal in...
View ArticleTroubleshooting • Re: Connected two Waveshare HATs to a Pi5, killed my Pi
According to the info in https://www.waveshare.com/wiki/Stepper_Motor_HAT (Q/A-section) stacking is not supportedLadies and gentlemen, we have a winner!OP, how did you get the idea that you could just...
View ArticleTroubleshooting • Screen size problem using 7" Display on Pi 5
I have two screen problem and I suspect they are related.1) The desktop seems marginally oversized in that if I move the mouse cursor to all 4 edges of the screen, on the top and left sides the cursor...
View ArticleGeneral discussion • Re: Raspberry Pi 5 2GB released! $50!
If not, is there any value inside the RPi5 one can read out to know if the SoC has C1 or D0 stepping?Code: $ cat /sys/firmware/devicetree/base/axi/gpu/compatible brcm,bcm2712d0-vc6It's...
View ArticleTroubleshooting • I2C address conflict with concurrent calls on separate buses
Hi there,We have an issue when making calls on i2c5 (pin 10,11 - ALT5) and i2c10/0 at the same time, where the signals seem to be getting crossed. If we poll i2c5 for open addresses at the same time...
View ArticleAdvanced users • Re: Right-click context menu item "Edit as...
Depending on the file manager you are using , you can add the function. The image below doesn't show it, but "Edit as Root" is an option when right-clicking on a file.This is with Thunar in XFCE, with...
View ArticleGeneral discussion • Re: Raspberry Pi 5 discussion thread
I uploaded the document to Google Gemini, and asked if it addresses the matter at hand, and here is what it says about it:If that's some sort of 'AI' summary, it's probably bullshit and certainly...
View ArticlePython • OpenCV and Libcamera
I have a script that worked great on buster with my Rpi HQ cam. https://github.com/ThorstenSchumacher/SpecControlNow I tried to run it on bullseye but I have an issue as OpenCV cannot access libcamera...
View ArticleTroubleshooting • Re: arecord: pcm_read:2221: read error: Input/output error
btw, this problem is also reported here: https://github.com/raspberrypi/document ... ssues/3755Statistics: Posted by unosonic — Mon Aug 26, 2024 10:05 pm
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Troubleshooting • Issues using a logic level converter driven by the Pi GPIO
Hey folks, I'm stuck on something I thought would be simple. I am trying to use the GPIO on the PI to drive a stepper motor driver. Because the GPIO on the Pi sources 3.3V I am using a logic level...
View ArticleGeneral • Re: Pico2 40Mhz SPI Signal integrity
You can make it low all the time GND or just put GPIO low - if you don't have anything else on the bus. Some boards have internally pulled CS low by hardware.Statistics: Posted by MatSOBDev2 — Tue Aug...
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General programming discussion • Re: 24 Minute Sun Simulation
Thanks again for the assistance.Two 150W PSU (thank you davidcoton) were purchased to power all of the lights.I only saw 20 AWG wire on the website so hopefully that'll work. I will definitely attach...
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