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SDK • Re: RP2040 inter thread synchronisation

On RP2350 there are new "doorbells" for exactly this purpose (also in multicore.h)Yes, I discovered doorbells yesterday but Google denied all knowledge. It seems it's hot off the press and I...

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Beginners • Re: M.2 Hat and Camera Connections

Make your photo as 640x480 and <100k and attach to your postStatistics: Posted by gordon77 — Fri Aug 09, 2024 3:01 pm

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General discussion • Re: RP2350 and Pico 2 released!

I guess the concept of chapters has passed you by. Terry Pratchett would be proud.If that's addressed at me I can assure you I do understand chapters. I have written many datasheets and much...

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Troubleshooting • Re: Resolution headless Raspberry Pi 4

I would love to do that, but some of the raspberries are remote in a network where I have no access to portforwards and such. So I had to resort to teamviewer to still have remote access at...

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Beginners • Re: PI5 newbie

Thanks for the reply. Did u instsll any emulators?.No.Statistics: Posted by B.Goode — Sat Aug 10, 2024 2:52 pm

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Raspberry Pi 400 • Re: Pi2SCART produces flickering black and white lines on...

Which OS is that?Bookworm will ignore all these settings.Maybe you're better of using a standard Pi with analog video out.I've tried both regular pi OS and RGB-Pi OS. Nothing seems to work. What's...

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Troubleshooting • Re: Raspi5 fails to pip-install PyQt5 in a Python-Venv

What do you mean by "system packages"?I created it from within Python using:Code: soutput = subprocess.run(["python3.11", "-m", "venv", "__venv"])So that looks like a 'NO'.Explanation at...

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General • Re: Request for critique: is my SPI connection of Pico and Pi4 sane?

I finally picked up this task again - because eventually I must do it. Short summary: even a loopback test fails. Something is utterly borked in my understanding of Pico. Are the pin numbers what they...

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Python • Re: How much can I ask a Raspberry pi4b to do?

The voltage of a battery is insufficient information to determine how long it will power something.A 4B is capable of doing those things one at a time. Even more than one. But all simultaneously is...

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Troubleshooting • Re: HDMI-CEC with Bookwork on original Pi B (not B+)

It may well be that the lack of memory is forcing use of the legacy driver and maybe cec-ctl doesn't work with that?I'm not sure if it is a memory thing, but I just forced my Zero to use the legacy...

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SDK • Re: sdk2.0.0: USB CDC not working W11

I've diagnosed the problem and it was caused by this line in the cmake fileCode: -DPICO_STDIO_USB_ENABLE_RESET_VIA_VENDOR_INTERFACE=0 I can't remember why that was there but I must have had a reason...

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Troubleshooting • Re: Raspberry Pi 5 Not Booting: No HDMI Signal, Solid Red LED

the LED stays solid redsolid red on a pi5 means its offyou need to click the power button to turn it onStatistics: Posted by cleverca22 — Sun Aug 11, 2024 2:22 pm

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General discussion • Pico 2 Micropython problem

I've just tried out my new board with a graphics program and have hit a snag. To get this loop to terminate I have to include an 'unnecessary' print statement.Code: for i in range(r, 0, -1): print(i)...

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General programming discussion • Re: Programmatically Dim 7" LCD Monitor

Use ddcutil to figure out your device capabilities. Most likely itdoes not have a controllable backlight.Statistics: Posted by aBUGSworstnightmare — Sun Aug 11, 2024 3:14 pm

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C/C++ • Re: Pigpio GPIO mapping for pi 4B

I’ll try the command. Where I am confused is: according to Pigpio library, it uses the actual cpu gpio PIN number as an input. Even if the feeders pins are having the same role across all pis, their...

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Ubuntu • Re: Ubuntu 24.04 running slow on Pi 5

Latest release is 24.04 ("noble numbat"). I run a server version on an 8GB Pi 5 with no problems (it zips along quite nicely!), but I am running from an SSD connected over USB3. SD cards are really...

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Troubleshooting • Re: PI 5 OS error mesages

I did that..I received this:sudo apt --fix-broken installReading package lists... DoneBuilding dependency tree... DoneReading state information... DoneCorrecting dependencies... DoneThe following...

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Java • Re: Java and ADXL345 accelerometer

It seems there is not a lot of java traffic on this site.In case anyone is interested, I would like to share some of what I have learned.First - It is much easier to interact with the RPi using Python...

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General discussion • Re: How to get hardware PWM working on pi 5?

Images not showing on my iPadFirst image (via an overlong and convoluted link) is a screen shot of part of config.txt, the important part of which is as followsCode: [all]#Adding hardware-pwm support...

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Troubleshooting • Device drops off the network

I have a Raspberry Pi 4 running the latest 64bit version of Raspberry Pi OS. I have completed a fresh install and fully updated it. The only alteration that I have made is that I have enabled VNC...

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