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Troubleshooting • Failed to add edge detection

Hello,after updating my CM4(Rasp PI OS Lite (64-bit)) using apt update, upgrade. It passed to work my python script that handled the LoRa module SX127x. I also use the latest version of RPi.GPIO -...

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Troubleshooting • Re: Rpi5 does not boot from SD card if I leave USD flash...

The problem with the USB flash drive is solved. The problem was really a duplicate UUID. I managed to choose a new random UUID using GParted. Thanks for the advice and for the inspiration!Now I'm...

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HATs and other add-ons • Re: Questions about backfeeding and Ugreen USB hub

Does backfeeding only apply to powered USB hubs or can it happen when powereing it from the USB bus?Statistics: Posted by nooryani84 — Sun Mar 17, 2024 5:12 pm

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General discussion • Re: pi5 gpio pin voltage not toggling low

Which python library did you install to be able to Code: import gpiod Statistics: Posted by neilgl — Sun Mar 17, 2024 5:13 pm

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Troubleshooting • Re: An Operation Is Already Pending

Hi DomYeah ran a chkdsk on the W10 machine and it didnt report any issuesDStatistics: Posted by DougLithgow — Sun Mar 17, 2024 5:16 pm

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Python • Re: gpiod documentation

I don’t think so,Maybe use gpiozero that has good documentation. As it says on Toms hardware “ If you are new to this, use GPIO Zero which also works with the Raspberry Pi 5”Statistics: Posted by...

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SDK • Re: How debug a Pico without the elf?

I tried arm-none-eabi-objcopy -I binary -O elf32-little --change-section-address .data=0x08000000 pt52lua_lostver.bin output.elfbut then radare2 -w arm -b 16 output.elf doesn't seem to work.If that...

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Other programming languages • Re: GnuCOBOL

Yes GnuCOBOL/OpenCOBOL works very well on the raspberry pi. Over the years i've used it to twiddle the gpio on a raspberry pi using the sockets library as well as normal COBOLy type thingsfound one of...

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Automation, sensing and robotics • Connect Raspi to salvaged spare parts from...

My Ozmo 950 is gone (mainboard defect) and now I am wondering whether I can somehow salvage all the spare parts that are still functional and connect them to my Raspi for whatever little fun...

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Compute Module • Re: Driver won't compile anymore (was: CM4+Python+Bit banging)

The linked github page confirmed what I figured out too: remove everything but the name as a parameter. That is fine. However, there are more changes and at least gpio-related are critical: driver...

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Troubleshooting • fstrim !

My raspberry pi 4B was happily running a fully updated bookworm lite.This pi has one job - pihole which it has run for years. Bookworm lite was installed the week it was released.This Monday morning...

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SDK • Re: I2c doesn't work on GP16 and GP17 (but does work on other pins!)

Sure , I am aware that these are i2c0 and i2c1 respectively, code was accordingly changed when testing i2c0. Also about the resistors i have tried with external ones as well. Btw what is best practice...

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Troubleshooting • Re: Blue tooth

If the USB boot device is in a USB3 port (the two blue ones), as a test try booting with in it one of the two USB2 ports.Statistics: Posted by drgeoff — Mon Mar 18, 2024 5:30 pm

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Advanced users • Re: Custom Linux, custom file system in RAM

Who knows how to find out how much RAM my initramfs takes up and how much memory is available to it? How do I change the amount of available memory?I found a solution to why I didn't see the size of...

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Interfacing (DSI, CSI, I2C, etc.) • RPI organization: pins and ports are NOT...

If it is already confusing to refer ALT0 function instead of signal name, is the instruction below clear to everyone else?Usage: dtoverlay=i2c1,<param>=<val>Params: pins_2_3 Use pins 2 and...

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MicroPython • Re: pico-to-pico via intenral router: accept () issue

FYI.. I am getting closer to finding my problem. Over the past day or two, I have found that if I can get a ping back from whatever the device sources are for the client and server, then I can get the...

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Beginners • Re: New Rp5 first boot unable to connect

By default a fresh install of RPiOS has no web server running. Ergo, you cannot log in from a browser.Statistics: Posted by drgeoff — Mon Mar 18, 2024 5:40 pm

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Interfacing (DSI, CSI, I2C, etc.) • Re: use of gpio lines in kernel modules...

You have an older version of the Pi 5 DTB. All Raspberry Pi DTB files now labels most pins with their (Broadcom-style) GPIO numbers. For example, GPIO 2, which is found on 40-way header pin 3, is...

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Interfacing (DSI, CSI, I2C, etc.) • Re: RPI organization: pins and ports are...

It is common to refer to the pins by their BCM (Broadcom) GPIO numbers, as that is how the chip sees them, and ultimately how the code will use them. The base hardware has no idea where the physical...

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Python • Re: EOFError from input( )

I've not used the mutilprocessing module but judging by the documentation it's possible that the spwaned process is not inheriting stdin from the parent.You may want to refer to the docs and check...

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