General discussion • Convert webcam to car back up camera
I have a usb web cam and a raspberry pi from 2012.Can I combine these to create a camera that works as a rear view camera for my car? Easiest display would be to my iphone but i'd consider simpler...
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General • Re: RP2350 Errata E9 - Pull-down lock-up
Super work ajay_m. Agree that at this point someone else getting another data point of this issue whether on RP2350 or RP2040 would be important. As for me, I try to have an equipment-lite embedded...
View ArticleGeneral • Re: Pico W pull-up voltage gone
I kicked the can and will keep on going with the damaged Pico W that those here, and I agree, was zapped by an electrical surge of some kind, but only on three inputs, GPIO 16, 17, and 26. (physical...
View ArticleBeginners • Re: Control GPIO with shell
Thank you very much for your help. I will try.I am curious, in this case, how does the raspberry pi or other computers know which gpio pin corresponds to which memory address? Is this embedded in the...
View ArticleGeneral • Re: New to SPI
Two SPI masters:Yes, this is the idea I'm working on. 10 wires out, 2 will be split for VCC and GND.Get readings from MPU-6500 (MPU 32/65) --> loop readings until over X value --> Dump loop to...
View ArticleBeginners • Re: Raspberry pi 4B PSU question
There is one other side to this, which has yet to be mentioned. If you need to run a Pi from a higher voltage DC source, e.g. in a 12/24/48V automotive or telecom environment, you can do that with a...
View ArticleGeneral • Re: PSRAM setup failed on Pico 2
'picotool info -a file.uf2' should tell you something of what it thinks is in the file. That's what I get:Code: $ picotool info -a build/psram-bootloader.uf2 File build/psram-bootloader.uf2:failed to...
View ArticleRaspberry Pi Connect • Connect across routing and firewalls
The documentation does not mention the network traffic in detail. I am looking at remote access to an irrigation system where Internet access goes through a router with limitations on allowed traffic....
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General • Re: RP2350: wiring for external DVDD supply
Based on the bus-pirate schematic, VREG_LX, VREG_VIN and VREG_FB should be left floating, with VREG_AVDD and VREG_VIN connected to +3v3 via a low-R RC circuit...I haven't got the parts to have the...
View ArticleBeginners • Why can't I connect to RSP 4 with SSH?
I have always used PC to connect to my raspberry pi 4 via Ethernet and it was normal. But starting today, I found that I could not connect to my raspberry pi.When I use putty to connect to it, putty...
View ArticleRaspberry Pi OS • Re: Keyboard layout displaying/switching for Wayfire and...
Hi @usa,I follow the installation instructions in https://github.com/raspberrypi-ui/wf-panel-pi and get an error message:Code: meson.build:16:0: ERROR: Dependency "wayland-client" not found, tried...
View ArticleRaspberry Pi OS • Re: 2024Jul04 64Bit Full: Splash Page: Release 5.2 - March...
An update/upgrade has changed this. The text is now: "Release 5.3 - July 2024".Statistics: Posted by MIT70 — Mon Sep 02, 2024 3:05 am
View ArticleTroubleshooting • Re: Pi3 Won't Boot
Read the "not booting" sticky that mahjongg spent much time and effort writing.Thanks. After reading that I determined that the linear regulator on my Pi 3 B + has gone short.Can you please tell me...
View ArticleC/C++ • Re: Use of sync(2) / fsync(2) before a hard before hard shutdowns?
I'm not certain about this, but I think you may want to try adding the "auto_da_alloc" mount option to the filesystem in /etc/fstab. See ext4(5) for details. The description sounds quite like what you...
View ArticleRaspberry Pi Desktop for PC and Mac • How is the GUI optimised?
This OS versus ARM Raspberry Pi OS versus other Debian based Linux distributions with GUI. How is this Intel desktop built and optimised? Is it the same as the build and optimised ARM GUI? If I use...
View ArticleTroubleshooting • Re: Raspberry pi5 and power on from gpio 3
Once I get through the power management issues it will be worth it. Also, the power management hats out there are sure to be redesigned for Pi5 and are forthcoming given the issues discussed. I could...
View ArticleGeneral programming discussion • Re: "AI assisted" programming?
And there it is. You have to know what you are doing to know that something is better. If you know what you are doing then you can recognise anything that is better is better. The way you reached that...
View ArticleTroubleshooting • Re: Raspberry Pi 3 can't ssh, can't login, but ping ok
Well for sure, this is a problem with the package/command updatedb. Well, as I tried to make clear with my own experience, it is not a problem with locate/updatedb. That program is doing its job as...
View ArticleRaspberry Pi Desktop for PC and Mac • Re: How is the GUI optimised?
a standard linux install is not optimized as it needs to run on a wide range of system'sdifferent GUIs offer different things, but it really doesn't matter it's pretty much the same software that...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Power on 2 pi's with 1 switch
Use a double pole switch/button?Common grounds to Pi, one pole to each Pi in their +ve line.Oh, and about the only way you'll get 10 volts is if you connect the two outputs in series: +ve of first...
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