Python • Re: Blink too slow
Be careful with the sleep times, 1/100th of a second is way too fast to be visible to the human eye.Using logic analyzer eliminates that deficiency of human eye, see below posting.If you want really...
View ArticleTroubleshooting • Not connected to Wi-Fi with wlan0
Hi,I used a Raspberry Pi 4 and installed the company's customized OS. I tried connecting to a Wi-Fi network using the Quectel EC25 modem, a wireless module mounted on the board.However, the connection...
View ArticleRaspberry Pi OS • Re: RasPiOS Bookworm Lite with GUI on Pi5
I suspect for some use cases it'll be aroung longer than that. I need an easy, reliable way of running GUI applications (not the entire Desktop) on remote displays before I can drop X11. AFAIK Wayland...
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Troubleshooting • Boot Issue with Raspberry Pi Compute Module 4 and...
Hello,I'm new to using the Raspberry Pi Compute Module 4 (CM4) and its associated development board. Previously, I have experience with the standard Raspberry Pi 4B, but this is my first time using...
View ArticleBeginners • Re: SPI Question
You can daisy chain serial shift register chips for all the chips select signals, like the 74595.You can have as many of those as you want, each of them with 8 bits.The link below is for an example...
View ArticleRaspberry Pi OS • Re: TCExam
Anyone have any ideas or suggestions?Statistics: Posted by Jayke — Fri Feb 23, 2024 3:10 am
View ArticleRaspberry Pi Desktop for PC and Mac • Re: Minecraft Pi Missing After...
I would have thought the Pi version was licensed to Pi boards only?A couple of thoughts:1) The education version can be used at home https://education.minecraft.net/en-us2) Pi-Apps is a great...
View ArticleRaspberry Pi OS • Re: rsync files between two Pis that are owned by other...
I want to send some files from one Pi to another. They are owned by pi and group www-data. If I as user pi send them via rsync with the --archive option they end up being owned by pi but the group...
View ArticleFor sale • Re: CM4 CM4001008 50 pcs for sale
You'll be waiting a long time for anyone to contact you. You have not provided a means for anyone to do so.Statistics: Posted by drgeoff — Sat Feb 24, 2024 1:10 am
View ArticleTroubleshooting • How to setup the root privilege for AlmaLinux9 on Raspberry...
I would like to update and install packages using "dnf -y update" command line on root privilege ,but when I command "su -", and input my password(PC login password),the following message is...
View ArticleSDK • Re: is there a list of API functions, which are safe to call from...
Deadlock is only one concern with Interrupt/multicore function access. Another is data consistency vs corruption.Usually functions, which are declared as thread-safe or interrupt-safe or...
View ArticleAdvanced users • Re: Commanding SIM7600 GPS Hat for Specific NMEA Data
I've been tooling around with the commands trying to get a better idea of how this works. There are a few things I've figured out. AT+CGPS=1 will turn on the GPS.From there, AT+CGPSINFO will print the...
View ArticleGeneral discussion • Re: Which relay for this?
You might have to order online. Do you know of a local stockist you can buy components and modules from?If not, Walmart, Amazon, eBay, AliExpress, etc.Post details of what you think you might buy and...
View ArticleTroubleshooting • Can't install PyQt5
Whenever i run Code: pip install pyqt5 it just keeps getting stuck in Preparing metadata until my raspi crash. Somebody knows how to fix this?Statistics: Posted by Lipopino — Sat Feb 24, 2024 2:01 am
View ArticleUser groups and events • Re: Peninsula Pi Party near Sydney Australia
We discussed irrigation to fit our local environment, resources, and shared our our experience. Part 2 will be March 23.Statistics: Posted by peterlite — Sat Feb 24, 2024 2:40 am
View ArticleGeneral discussion • Re: Do we think my Pi 5 fan is noisy because I have...
Could be different air flow. Is there a big case hole covered when vertical? Or a wire that dangles over the fan at a specific angle?If not, could be something out of spec. Just loose enough. I use...
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General discussion • Re: Looking to seriously overclock my Raspberry Pi 4B
Sell the Pi 4 and buy Pi 5. What do you run on the Pi 4? My heaviest workloads on my Pi 4 were often limited by SSD speed or the GPU. For those, the Pi 5 gives a far bigger boost than a small over...
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Troubleshooting • 1wire troubleshooting missing devices from /sys/bus/w1/devices
Hi I have inherited a project from a friend who passed away. The system consists of a pi zero running Buster and a RPI2 board from Sheepwalk Electronics with one of their SWE0 temperature sensors (I...
View ArticleBeginners • Re: Raspberry Pi emulator
The Pi Zero 2 is an option for experiments with possibly dangerous voltages or amperages. I use one along side a Pi 4 with the Pi 4 or my notebook providing a faster Web browse. The 64 bit microSD...
View ArticleGeneral • Re: Pico W : modify example tcpserver in web server
I took the easy way out and used the httpd in pico-sdk/lib/btstack/3rd-party/lwip/core/src/apps/http: wifi_httpd.Statistics: Posted by carlk3 — Sun Feb 25, 2024 1:19 am
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