C/C++ • Accurate USB timestamping
Hi,I am interested in getting accurate timestamps for a USB camera, I understand cheap cameras are rolling-shutter but we should be able to time when linux receives the start of the frame. Do you know...
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Beginners • Can't access via http to my Raspberry
Hello I'm beginner on Raspberry pi 5 os lite ( Debian 12) my first project is install pi hole to increase privacy, difficult tracking and block online adds. I follow the raspberry official guide to...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: MCP3008 with spidev.h doesn't bring...
Yes, I saw and read that, but I didn't read into it "The chip select line chosen must be configured in as GPIO OUTPUT and not as SPI0_CE0_N (or likewise) as shown under the SPI0 Pin Mappings above."I...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: Raspberry Pi Zero 2 W, gpio c library
Thanks drankinatty for the information: pigpio and tinygpio.Statistics: Posted by dennisnguy — Tue Apr 09, 2024 11:23 pm
View ArticleBeginners • Re: Connect LCD Display and RFID together on RPI 4
You need a do-hicky otherwise known as a GPIO Extender. See the results from this Google search for ideas https://www.google.com/search?q=raspber ... s-wiz-serpI've run into that problem where a HAT...
View ArticlePython • servo PCA9685 will not stop
servo will not stopCode: import tkinter as tkfrom flask import Flask, render_template, request, redirect, url_forimport sqlite3import timeimport datetime# Manually define SCL and SDA pinsSCL = 3SDA =...
View ArticleGeneral discussion • Re: Raspberry pi 5 whether is one of Control Articles
Raspberry Pi 5 was launched around 0.5 year. What parts of Raspberry Pi 5 need to be approved? Because it is Control Articles? Or any Raspberry Pi products need to be approved. So interesting is that...
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General • Re: Pulse counter using RP2040
The question is not clear to me: 0,5nm are 0,5 nano meter, 0,5E-9 m; 200μm are 200 micro meter, 200E-6 m? How does a length match to a pulse ?Please explain a bit about the context.An electrical pulse...
View ArticleAdvanced users • Autoboot/tryboot not working on CM4
Hello. I'm working on a CM4 that uses both secure boot and a dual boot partition setup. I'm having trouble getting `tryboot` to work.Versions:EEPROM bootloader: RPi: BOOTLOADER release...
View ArticleTroubleshooting • Re: Pi 5: display sleeps and immediately wakes back up
Bump - still not solvedStatistics: Posted by i0ntempest — Wed Apr 10, 2024 11:12 pm
View ArticleMedia centres • Re: Radio/media player
any direction would be appreciated!This has been done many times over the last twelve years of Pi so I suggest you start with a forum and internet search. It's highly likely there will be project that...
View ArticleBeginners • Re: Can't access via http to my Raspberry
Have you tried just http://192.168.1.100 ?Yes I try all the possibilities with IP and :ports as well as :443, :80 :8080 :22 :24 :9000Now I checking the firewall and add a rule as root@pi:~# nft add...
View ArticleTroubleshooting • Re: Revert rpi-update on Pi 5
I am noticing the same issue with the inability to automount the drive with the latest updates. A fresh PI OS install lead to the same issue. The drive was working fine when connected to the RPI 5 and...
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Troubleshooting • Re: Temporary failure in name resolution
Thanks @MiscBits for your help.It wasn't necessary after all to use your tips.Id did Code: sudo nano /etc/resolv.confFilled the empty space with Code: nameserver 192.168.2.254A reboot completed the...
View ArticleBeginners • Re: All my app got uninstalled after power cut
I didn't know you could put / and /root in read only but wont that stop me installing stuff using apt?Oh, you have to change it back to RW when you bring it into the shop for changes. I only set it to...
View ArticlePython • Re: servo PCA9685
If you can help get it move one servo stop the servo. that would help.Jest add the new code to my code.Statistics: Posted by bob5731 — Wed Apr 10, 2024 11:55 pm
View ArticleCompute Module • Re: Compute Module 4 Tx/Rx FIFO size and RS485 support.
The BCM2711 on the CM4 has 1x mini UART with a 8/8 FIFO and multiple rev 2 Arm PL011 UARTs with a 16/16 FIFO. See https://developer.arm.com/documentation ... /f?lang=en1) What is the Compute Module 4...
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Beginners • no video using RPI5 and Bookworm
I am using a new RPI5 and bookworm with a motion detector and a V2 camera attached. The following code has two alternative lines, each beginning with "os.system." When I hash out the second one, the...
View ArticleGeneral discussion • Re: New Raspberry Pi Products
I can see a 15.6" HDMI / 1920x1080 60Hz IPS portable monitor with twin speakers on Amazon right now for £99 (Arzopa). A Pi one would need a USP to make it stand out and not be just another option....
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Re: What is the fastest baudrate for RPi...
In my last test I used a function generator with a 750 kHz square wave to generate 'U' bytes with a perfect 1,500,000 baudrate and I was still getting the occasional characters getting screwed up. If...
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