General discussion • Re: Power Supply for RPI 3
A Raspberry Pi 3 Computer connected to the screen with a screen that is USB powered, I would recommend purchasing a 5V3A power supply.If you have a power supply with a built in power switch, I...
View ArticleBeginners • Re: @thagrol? Non GPIO 3 start up shutdown pi zero 2w?
I'm not at all sure I follow that circuit. But if I do...It's overill. The simple four wire DP/two switch method works.3.3v is shorted to GPIO27 throguh aprox 900 ohmWon't Q1's base also be pulled low...
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Troubleshooting • Re: Bricked Pi5 after udpate & upgrade
Probably not 'bricked.'At least, not in my understanding of that slang, which I take to mean something like: "hardware that is rendered non-functional in such a way that recovery via software can not...
View ArticleNetworking and servers • Re: WiFi over ~30m any suitable antenna options?
Couple of other options: Powerline Ethernet Adapter -- One side you plug in the Master to an outlet and take a RJ45 connection and plug it into your Router, somewhere else outside that has power,...
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Automation, sensing and robotics • Re: code PIR motion sensor to trigger a...
So it must be the relay - is it an "active low" module and can you show a picture of it and the wiring?i bought from ebay: https://www.ebay.com/itm/292160479941seems "active low" according to...
View ArticleGeneral discussion • Re: how to create a data repository Pi ai can access
Pi aiWhich software package? How is it configured?The only Pi AI I have looked at is the Hailo chip. AT the time, a few months ago, Hailo said it was working with image processing SDKs but everything...
View ArticleGeneral discussion • Re: Random question SD card reader
write to SD cards of coursemicroSD slot is one tenth the speed of USB 3. A good reason to not use it for more than the occasional backup. My good microSD cards are twice the microSD card slot speed so...
View ArticleGeneral • Re: Trying to understand printf on FreeRTOS SMP on Pico
USB is protected by a mutex. The kernel uses a notification feature which monitors every mutex. The kernel does not understand that this is an ISR. The kernel itself locks up. It uses two mutex locks...
View ArticleGeneral • Re: Uploading to Pico took out Bookworm desktop
I think that is the SD card on the Raspberry Pi SBC not the Pico, I think? I am not thinking the dmesg shows the Pico as a storage at this stage. Hippy will clarify.The SD card would be a /dev/mmcblk0...
View ArticleAutomation, sensing and robotics • Re: Rotary encoder issues
Thanks. Just looked over the Pico and decided to go with the Pico H with no wifi. Now to get it ordered and figure out how do set everything up. Communicating between the RPi 4 and the Pico will be an...
View ArticleTroubleshooting • Re: Eth0 Shows Device Interrupt 106
It's not an error or warning, just information. /sbin/ifconfig prints it if it's present in the data structure given to it by the kernel. For reasons I don't particularly feel like investigating,...
View ArticleGeneral • Re: Continues SPI transfer
...The FT232H is the master in this case, my rp2040 is the slave. I have measured the clock with my Saleae logic pro 16 and it is roughly 30MHz....Oh, in that case, I think you're already running out...
View ArticleGraphics, sound and multimedia • Re: iMac as display for RPI5
Many thanks for your report inspector_gadget. And I'm glad to pump some dopamine into your veins. I didn't mention the issue in my first advice because I believed it was my fault during the...
View ArticleSDK • Re: RISC-V and tinyusb support
Your TinyUSB submodule is out of date1. Did you do a "git submodule update" after updating your SDK?2. Make sure you used a fresh (recreated) build directoryStatistics: Posted by kilograham — Tue Sep...
View ArticleNetworking and servers • Re: RAID setup problem
It doesn't seem to be able to load anything, would you have any idea what I could do?Buy a Dell server with hardware raid.Statistics: Posted by foxsquirrel — Wed Sep 11, 2024 12:00 am
View ArticleGaming • Batocera Bluetooth on Pi5
My Batocera Pi5 build is in a home theater rack, so the on board BT is not gonna cut it. I have a BT adapter (on the approved list for Batocera). I booted up a new image, it was working fine, but...
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MicroPython • rp2350 i2c target frequency
I just got my RP2350 Pico 2 board today and tried an I2C bus scan for devices.Code: import machinei2c=machine.I2C(1,sda=machine.Pin(6), scl=machine.Pin(7), freq=1000000)devices = i2c.scan()I am using...
View ArticleTroubleshooting • Re: Pi 5 not accessible by other Pi’s Mount
Hi thagrol!ls -halt /Share_Videoslrwxrwxrwx 1 barry barry 18 Sep 9 09:41 /Share_Videos -> /home/barry/Videos Not strange. That's how permissions are always shown on symlinks. The actual permissions...
View ArticleMicroPython • Re: Accept hanging on Pico W python
Given this problem shows with the example of how to code a webserver for the Pico W on the Raspberry Pi website and similar variations appear on a whole host of other sites ...Because they're all...
View ArticleAdvanced users • Re: Image File Utilities
Just noticed something with my backups of Ubuntu 24.04. The Bootfs mounting for /boot/firmware is unmounted during backup and not mounted afterwards. The weird thing is it doesn't do it every time....
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