Python • GPIO Transition Issue from Raspberry Pi 4B to CM4 - Problem with...
Hello Raspberry Pi Community,I am working on transitioning my scientific instrument project from a standard Raspberry Pi 4B to a Compute Module 4 (CM4). In this project, I've traditionally used the...
View ArticlePython • Re: GPIO Transition Issue from Raspberry Pi 4B to CM4 - Problem with...
Following the initial concerns, I have conducted a more detailed isolated test specifically for GPIO4, aiming to eliminate any external factors that might be affecting its performance. Here are the...
View ArticleClik here to view.
Troubleshooting • Can't swap a Zero 2W into a Zero W setup...
High level summary: I have a given physical set-up that works fine using a Zero W. I swap out the Zero W and swap in a Zero 2 W, but using the micro SD card from the Zero W. The Zero2W doesn't boot,...
View ArticleBeginners • Re: File help
Amazon basic 512 is only displaying 469 total storageGuess you bought a storage device from this shop with a capacity of 512 'somewhat' (GB ?). Without knowing which device you mean (give a link to...
View ArticleGeneral discussion • Re: Third party Nintendo controller rigjt joystick...
Check with whoever wrote the driver.Statistics: Posted by W. H. Heydt — Sat Mar 02, 2024 7:02 pm
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: CM4 DSI1 + SN65DSI83 Bridge based...
What do you use for connecting to your display? Is that an impedance matched FPC?How is your MIPI DSI routing? Have you lenght and impedance matched the signals?As this is all custom there is nothing...
View ArticleClik here to view.
Gaming • Re: Killer Apps and Games for 7 and Under
He hasn't touched it yet. Not expensive enough or something. Statistics: Posted by skinmarquee — Sat Mar 02, 2024 7:08 pm
View ArticleTroubleshooting • Re: Rotate touchscreen 90 degrees - does not rotate matrix
Have you assigned the touch to the HDMi display after rotation?Touch coorsinate transformation matrix will sort anything for you. Search the forum, posted how to do that a few times...
View ArticleCamera board • Re: Help needed with fluidized bed project
The code in your original post used the libcamera-jpeg app.As that seemed to be working, your system was set up with the new recommended 'libcamera' stack.By enabling the deprecated 'legacy' stack you...
View ArticleTroubleshooting • Re: I think I broke my monitor..
And where did you connect the Pi to?Which kind of help do you expect? If you broke your monitor you can either have it repaired, if possible, or replaced.Statistics: Posted by aBUGSworstnightmare —...
View ArticleMicroPython • pico-to-pico via intenral router: accept () issue
This should be a simple server/client app, but it is driving me crazy! The goal is to have 2 bare-bones pico-w boards trading data with each other via a mutual connection to my local router. I have...
View ArticleDevice Tree • Re: Adapting an overlay for AT24 EEPROM on i2c-0 for Pi 5
Here is an an overlay for an EEPROM which should give you an idea how ro startviewtopic.php?p=2142403&hilit=EEPROM+overlay#p2142403Statistics: Posted by aBUGSworstnightmare — Sat Mar 02, 2024 7:27...
View ArticleTroubleshooting • RPI5 missing libfftw3-3 and libpng12-0
Hi,I've been running a program under Ubuntu 18.04 without any problems but I thought I'd try and run it on my new shiny RPI5 with Bookworm OS.I've managed to install most of the program ok but have...
View ArticleTroubleshooting • Re: Display has glitches
Thanks for responding dom! I appreciate itHere are some screenshots of what I'm seeing:https://tmptrp.s3.amazonaws.com/Screens ... 0%AFAM.pnghttps://tmptrp.s3.amazonaws.com/Screens ......
View ArticleGeneral • Re: Noise and transients when using VSYS
Nice charts. I would check GND connections, especially if oscilloscope GND is connected to pico GND directly or if there are any wires, connectors between osci GND and pico GND AND supply current...
View ArticlePython • Stuck in python hell
So the project that I am doing will be using 2 stepper motors controlled by GPIO's controlling 2 Driver boards (ULN2003A) and 5 servos controlled by a Teyleten Robot PCA9685 16 channel Board (using...
View ArticleAutomation, sensing and robotics • Re: Monitoring Multiple External Battery...
Guess you need an ADC board with around 24V max input voltage. https://shop.pimoroni.com/products/auto ... 0712316554This company also sells rp2040 based boards like...
View ArticleTroubleshooting • Re: [SOLVED] dmesg : "raspberrypi-firmware...
I've switched to X11 cause it runs much faster than WaylandNot sure whether this holds true for GL/OpenGL applications and friends. I did a quick test in the past with glxgears under X11/Xorg vs...
View ArticleGeneral discussion • Re: RPI Button Code
Following a guide might help you:https://projects.raspberrypi.org/en/pro ... -computingStatistics: Posted by deepo — Sun Mar 03, 2024 7:11 pm
View ArticleCamera board • Re: IR cut, how do I use it?
If you need to reserve polarity you'll need some kind if driver circuit as sandyol said.Something like a H-bridge?Yes, maybe a L293 as Sandyol saidStatistics: Posted by gordon77 — Sun Mar 03, 2024...
View Article