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General • Re: Cleaning cache on RP2350 with PSRAM writes outstanding causes...
@will-v-pi: sorry, I missed your previous post.I think I've got it. So we have to combine the following:XIP_MAINTENANCE_BASE (0x1800:0000)XIP_SRAM_BASE (0x1200:0000) - in this case---- base...
View ArticlePython • Re: MemoryError: memory allocation failed, allocating 21858 bytes
@DS256I cross compile my PICO uPython programs on the host computer I'm running Thonny from. I then copy the .MPY back to the PICO.Do you mean the .PY file?I can't find any .MPY files@DeaD_EyE is...
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Automation, sensing and robotics • Re: Stuttering stepper motor when...
MOTORA ---> stepper coil (red and yellow stepper wires)MOTORB ---> stepper coil (green and grey stepper wires)About the color of the wires. Are you sure that coils A or B correspond to the...
View ArticleTroubleshooting • Re: Waveshare 4.3in DSI LCD works but no touch
Love it how waveshare makes stuff that people willingly pay for with their own money and waveshare does not provide help people think those around here should be able to help.Countless posts like that...
View ArticleGeneral • Re: output(printf()) does not show in the serial monitor
In my experience, output not being seen via USB serial from example code usually comes down to two things - The example code not being compiled to use USB serial, so is sending the output via UART....
View ArticleBeginners • Re: Making a desktop alias/program for an "sh" command
sh /some/absolute/path/launcher.sh alias launchit="sh /some/absolute/path/launcher.sh"Statistics: Posted by pluffmud — Fri Oct 25, 2024 1:14 pm
View ArticleAdvanced users • Re: Pi4 HDMI, Wayland, labwc: Force RGB565
If you want no format conversions, then you don't want a compositor in the way and should use the DRM/KMS APIs directly. Both labwc and Wayfire on Pi4 will use OpenGL to composite all screen elements...
View ArticleCamera board • Re: "Or Better"?
In mergeviews, I'd put it round here:Code: request_2 = cam2_request if request_2 is None: return request_2.acquire()and in save_request it probably only needs to go round "cam2_request.release()", but...
View ArticleBeginners • Re: warning message when reading .jpg file on RPi4b with cv2
In running the program (previously listed), the color image is displayed but the gray image is not displayed until I <ctrl>+C out of the main program. At that time, the color image is removed...
View ArticleTroubleshooting • Re: Wifi Reconnection issues
I know we shouldnt do it, but we are trying to solve every eventuality as the device will be out of reach.We have figured it out.We have a job that checks if it can ping our firewall. If it cant, it...
View ArticleTroubleshooting • Re: Bookworm wifi
Try moving the Pi closer to the wifi transmitter.The router is less than a meter away with no impedancesAre you using a metal case?No, it has a 7-inch touchscreen, hat with SSD and pi5Do you have...
View ArticleTroubleshooting • I want to use ky-013 for raspberry pie pico.
hello.I want to use the thermistor temperature sensor module (ky-013) using Raspberry Pi Pico.However, even if I follow the code and circuit found on the Internet, it does not properly reflect the...
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General discussion • Re: Raspberry as a server, NextCloud - OMV - BorgBase
I'm sorry, but somehow you succeed in never understanding what I say, and I guess I don't understand you. And that's not because of my English.If webspace is the right word, why are you acting like...
View ArticleTroubleshooting • Re: Pi4B - USB has power but no data
Finding a healthy VL805 chip did the trick. Solved.Statistics: Posted by in_sympathy — Sat Oct 26, 2024 1:17 pm
View ArticleSDK • Re: GPIO pin handling on the Pico
At any rate some progress has been made. I realise that the problem with the level shifters is not specifically a Pico problem so may be OT, but I would be interested in knowing what level shifter...
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MicroPython • Re: ImportError: can't import name I2cLcd
Nope. No joy.This has me stumped. Maybe there's not enough memory? Is there a way to display memory usage on the pico?Statistics: Posted by JKJ — Sat Oct 26, 2024 1:35 pm
View ArticleTroubleshooting • Re: I want to use ky-013 for raspberry pie pico.
What are the raw ADC values measured ? Measure the voltage on the ADC pin (A0 is ADC0 in https://datasheets.raspberrypi.com/pico ... Pinout.pdf) and compare with the ADC measured value.Connect the +V...
View ArticleUbuntu • Re: boot from usb
I want to install ubuntu.See - STICKY: where to go to get Ubuntu support for the raspberry PI range of computers - viewtopic.php?t=369919My suggestion is to try - for diagnostic and troubleshooting...
View ArticleBeginners • Re: Raspberry pí zero 2 W as man in the middle
Hi thanks for the asnswer.understand your concern about the legal use of this projectI am graduating this year and one of the parts is a project that we will choose. This project is therefore a topic...
View ArticleCamera board • imx290 / libcamerify / gstreamer / Pi5 issues.
Hi everyone!So I have been struggling with my camera. I have it working fine with libcamera-hello, libcamera-vid etc. (I have my camera on CAM-0)But, I need either v4l or gstreamer functionality....
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