Graphics, sound and multimedia • Re: Screen rotation without performance issues
..I'm trying to build a kiosk with the Pi but noticed this could be problematic. All the solutions I found have been degrading the Pi's performance significantly. ..Show us what you did which resulted...
View ArticleRaspberry Pi 400 • Re: RPi400 reboots when UPS hands back to mains supply
I see there is access to 5V on the rear GPIO connector. I’ll try check out that first.Statistics: Posted by dabbler400 — Fri Jan 19, 2024 12:47 pm
View ArticleTroubleshooting • Re: I fried my pi, but how?
Your best option: https://www.raspberrypi.com/products/mi ... er-supply/Have you measured the output voltage of your PSU?Statistics: Posted by aBUGSworstnightmare — Fri Jan 19, 2024 12:52 pm
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General discussion • Found and used F12 key on Raspberry keyboard the first...
Since my Pi400 keyboard was not usable anymore, I first used Raspberry keyboard as replacement.I had Pi400 KVM setup running for more than 2 years, allowing to switch between Pi400 and laptop.Later I...
View ArticleMicroPython • Detecting USB serial connection ?
My GoogleFu seems to be failing me. The Pico SDK provides a means to detect when a USB serial connection has been established from a host, allows waiting until there is such a connection -Code:...
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General discussion • Re: Raspberry Pi board unique Serial number / ID
I search for a serial number, but problem is that I need to boot OS to get it (`cat /proc/cpu ...`).for the pi4/pi5, you dont need an OS installedhttps://www.raspberrypi.com/documentati ......
View ArticleSDK • Re: USB Data with interrupts
What's going on behind the scenes when you just use the SDK's pico_enable_stdio_usb() is that the SDK configures TinyUSB with a single CDC interface, calls tud_init(), arranges to have tud_task()...
View ArticleGeneral • Re: Static IP on Raspberry Pico
Did the code ordering change and no change to router data.Statistics: Posted by rallan — Fri Jan 19, 2024 1:49 pm
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: DS18B20 sensors randomly not detected...
If you read a stable 1.38V level on the data line (assuming you are reading with a scope, not a multimeter, as in this case you could be reading an averaged value) it looks likely that the sensor is...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Using SPI with CE0 and CE1
Yeah! this github is 10 years old and I'm still using it!long time ago I found a bug with the SPI speed.1 - you need to set the spi speed in lib_nrf24.py you need to add the spi speed.Code: def...
View ArticleTeaching and learning resources • Re: Advent of Code 2023
Is that a parallel code or did you beat the clock in a different way?I did throw in some parallel processing at the end, but it wasn't necessary. The speed gain is mostly due to better algorithm. On...
View ArticleTroubleshooting • Re: RPi5 no internet access
It's a small office network. Guest wifi is configured to not require any config at all.I have made no custom settings at all - pure defaults when creating the SD card.I suggest discussing the problem...
View ArticleGeneral discussion • Re: Using a Pi 4B without a fan
does those emc clamps you have on those drive wires help.Yes, hugely. I used to get wireless blackspots for my Pi ZeroW's up to three feet from the USB3 leads. Though I still have to have the...
View ArticleFrançais • Re: installation THONNY sur PI400
Ouvrez une console et tapezCode: thonnysi vous n'avez pas thonny dans vos menus.Statistics: Posted by dbrion1 — Sat Jan 20, 2024 1:42 pm
View ArticleGeneral discussion • Re: Accessing Raspberry Pi
This is a case where Raspberry Pi OS Legacy is likely a better choice than Bookworm..Legacy will fall back to a self assigned IP address, Bookworm does not. But that won't help on a Pi5 as it won't...
View ArticleMicroPython • Re: Wireless REPL code updates?
Thank but probably over my head ATM.Can anyone point me to an idiots guide to ,or example of, set-up simple webreplStatistics: Posted by BillTodd — Sat Jan 20, 2024 1:52 pm
View ArticleBeginners • Re: Use raspberrypi.local when there is no internet?
The only part I guess I'm not sure about is when the caller ask for "raspberrypi.local", is caller broadcasting it in a way that the caller has to connect to the internet (such as DNS) in order to...
View ArticleBeginners • Re: Cannot connect HDD hub to Raspberry Pi 4
Ok, so I found the problem!I used and USB 2.0 A to type C cable, but for some reason it only works with USB 3.0 A to type C cable.Statistics: Posted by SyWier — Sat Jan 20, 2024 2:04 pm
View ArticleAutomation, sensing and robotics • Re: Need a simple php page to momentary...
on.py Code: #!/usr/bin/python3import RPi.GPIO as GPIOGPIO.setwarnings(False)GPIO.setmode(GPIO.BCM)GPIO.setup(21,GPIO.OUT)GPIO.output(21,GPIO.HIGH)print("ON")off.py Code: #!/usr/bin/python3import...
View ArticleTroubleshooting • Re: Can't find the ip address of my Pi
I don't have a router. I have a Netgear GS308E switch but this doesn't display the ip addresses.If you don't have a router, what is setting the IP address of your Raspberry Pi? A router will have a...
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