Beginners • Re: RPI 5 shutdown problem
It is normal for the fan to run briefly when power is applied. It is also normal for the LED to blink during booting.Attach a display (TV or monitor) to the micro-HDMI socket nearest the power socket....
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Working example of a button with the...
Using stock Bookworm on a Pi5, the example on that Tom's page works OK - but it relies on reading the input button GPIO27 as rapidly as possible in a loop, so it is not a great example.Statistics:...
View ArticleGeneral discussion • Re: Permanently disable wifi on the raspberry pi 400
You could use a Raspberry Pi Zero. It has no WiFi hardware. Plenty of power for text editing. Almost as good as Wordwise on a BBC Micro.Having said that you could probably run Wordwise on a BBC...
View ArticleAutomation, sensing and robotics • Re: How to get more than 8 EEG channels...
Yes, Brain-computer interface PiEEG for 16 channels EEG already created, now only test of softwareStatistics: Posted by RonMArk — Sat Mar 30, 2024 11:53 pm
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Zero W using SPI has PWM glitch
Hello,I have been using this code on a Pi 3B+ without any issues, but then had a mishap and let the smoke out of it. So I used a spare Zero W board (brand new) instead. However, when I run the code...
View ArticleBeginners • Re: Enable USB Boot without SD Card [RPi 3B]
I have a Raspberry Pi 3B that I'm trying to setup with Raspberry Pi OS, however my SD card slot is damaged and I don't have the tools to repair it right now. Is there anyway I can enable the ability...
View ArticleGeneral discussion • Re: A Pi Pie Chart
pichart results for AMD Ryzen 7 8845HSCode: pi@NucBoxK8:~/pichart-40 $ ./pichart-openmp pichart -- Raspberry Pi Performance OPENMP version 40Prime Sieve P=14630843 Workers=32 Sec=0.0563033...
View ArticleRaspberry Pi OS • Re: Firefox 124 on bookworm?
There is no Firefox 125cccccccccccccccccccccccccccand no problem hereWin 11 Firefox 124.01Statistics: Posted by amoun — Mon Apr 01, 2024 12:24 am
View ArticleGeneral discussion • Re: Raspberry Pi 5 discussion thread
Folks appear to see 65W > 27W and assume it will just work.Mostly because they have been led to believe it will. "Yes, you can use a higher wattage charger with a device which requires less" is...
View ArticleGeneral • Anyone use PIO for a sensorless BLDC controller?
I've driven hard drive BLDC motors with a microcontroller and MOSFETs by manually switching the three coils before, but with limited success for faster speeds.While playing with a Pico I was wondering...
View ArticleTroubleshooting • Re: Rpi5 Power Problems
Put your keyboard dongle on a usb extension lead to get it away from the Pi.Mmm well the keyboard (and dongle) in general works fine, even in other machines. But I don't quite understand your...
View ArticlePython • Re: control 30 servo pill deepener
You probably want two PCA9685 servo control boards (16 channels each):https://www.adafruit.com/product/815It's not going to be easy.will it control up to 30 servo?Statistics: Posted by bob5731 — Mon...
View ArticleNetworking and servers • RPi as firewall/gateway under Bookworm
I had a Raspberry Pi 2B as a firewall/gateway between my home LAN and my ISP, and it had been running since about 2017. I have a lot of things on my LAN that I do NOT want accessing the Internet....
View ArticleTroubleshooting • Re: Minor CUPS printing issue
You might need more than a PPD, but since OpenPrinting is down, I cant check.When https://openprinting.org/printers is back up, take a look for your printer. Sounds like it's PostScript, so Generic...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: How to interface with Ender 3 LCD
Here's a schematic of the Ender 3 (probably):https://www.scribd.com/document/6640888 ... -SchematicYou can see the pinout of the EXP1 connector at the lower right of the first image.There are a couple...
View ArticleTroubleshooting • Re: Wifi goes away after disconnect.
Current theory is that the device has a hardware failure, it lived in an attic and has gotten both very hot and very cold.Statistics: Posted by Joseph-Melberg — Mon Apr 01, 2024 1:50 am
View ArticleGeneral discussion • Object Detection with Servo motor fps drops
Hi, I'm trying EdjeElectronics object detection code with servo for my mini project but when i include the servo code in the object detection code my fps drops from 3-4 fps to 0.9 - 1 fps. I don't...
View ArticlePython • Script To Toggle Display Using a Physical Switch
Raspberry Pi 4BLatest Raspbian Lite 64-BitI swear I searched the forum before I posted this, but I'm pretty new here, and I might not be searching for the right terms. I have a physical switch...
View ArticleBeginners • Re: Problems installing raspian
I'm using Raspberry Pi Imager so I think so.Statistics: Posted by cepi — Tue Apr 02, 2024 1:32 am
View ArticleC/C++ • Re: What are the Linux interrupt numbers for peripherals?
https://github.com/raspberrypi/linux/bl ... #L104-L167thats the interrupt numbers within the RP1 chipyou then need to properly configure the RP1 irq controller, and the irq's you unmask will be...
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