Camera board • Synchronization of two HQ cameras on RPi 5
Hello,I am having some trouble synchronizing two HQ cameras on an RPi 5.1. I have connected the XVS and GND test points of two HQ cameras together. I have also created a 10k/10k resistor divider from...
View ArticleTroubleshooting • Model 3B+ not booting
So, I have successfully installed 2024-07-04-raspios-bookworm-armhf-lite on my Pi 3B+ but no matter I've tried through looking over various troubleshooting articles it will not boot...
View ArticleSDK • I'm curious why my sloppy code is actually smaller than optimized code...
My apologies for posting so much code here. Please let me know if this frowned upon.I wanted to start a new thread that is related to my previous "How can I profile basic functions for the RP2040?"...
View ArticleGeneral • Did I burn my Pico W ?
My Pico when connected spits out this message & the RP2040 gets very hot when i connect it to my laptop. Code: Unable to connect to COM9: port not foundProcess ended with exit code 1.Statistics:...
View ArticleAdvanced users • Hardware PWM on GPIO12 of RPi4
I want to experiment with PWM pure signals (signals generated by a dedicated hardware, without any jitter caused by the running software). I tried to generate this signal on a RPi4B board on GPIO12.I...
View ArticleBeginners • raspberry pi 02w +ssd + lifespan
i purchased ssd for raspberry pi 02wtested,everything goodgetting around 30MB/s read and write i was searching for optimising ssd life i came to know linux update every data it read ,it means on...
View ArticleTroubleshooting • xscreensaver will not start
Hello! I'm a fairly experienced pi user, and today I decided to install xscreensaver. However, it will not open. I installed it from the terminal on Debian 12.2.0-14. It will open as root but i am...
View ArticleRaspberry Pi Connect • Access RPi Connect over smart phone
Hello, I can acces my RPi-4 over Raspberry Pi Connect from PC without any problems. However, accessing it from my smart phone is much diferent story. On my phone I can see only small part of the left...
View ArticleGeneral • PWM Callbacks like in arduino CTC mode
Hello, this is my first post here so if anything is wrong about the title or anything fell free to question, back to the point, i'm trying to drive a 3 phase motor driver with the pico using the c...
View ArticleAdvanced users • log voltages from 0 to 5 volts at an adjustable rate per second
Hi there,I am wanting to build a device using a Raspberry Pi that could log voltages at an adjustable rate per second and save the logs in a file. I am confident in the software side before and have...
View ArticleBeginners • Please help me connect phone to Pi 5 via Bluetooth.
I have rarely used bluetooth.I use it to attach phone to radio in the van, that is it.Pi5, 64 bit Pi OS, KDE Plasma desktop.I have tried various things. I can't find anything else to try.I enable BT,...
View ArticleTroubleshooting • Raspberry PI 4B | Green Flickering Light | Unable to Boot
Hello team,I hope you'll are doing good.I will like to kindly request for your help, maybe you can give me a hand with this raspberry pi 4B (4GB) that currently is not booting and the green light...
View ArticleInterfacing (DSI, CSI, I2C, etc.) • Interfacing a 8-bit Serial RGB Display
Hi,I want to use a Samsung LMS250GF03 display with my Pi. This display utilizes 8-bit serial RGB, with HSYNC, VSYNC and DOTCLOCK.Link: https://www.rockbox.org/wiki/pub/Main/C ... 50GF03.pdf. Correct...
View ArticleTroubleshooting • Raspberry Pi 5 won't boot (led blinks 4 long and 3 short...
Hi All,I was installing the buttons of my arcade cabinet when my pi 5 was still running (I know, not the smartest move) and suddenly the hard drive wouldn't boot up anymore.After reboot also the pi...
View ArticleBeginners • Memory access time Pi5
Hi. I am using Pi5 recently.I was doing some simple tests for evaluating processing speed. The results I got can be summarized as following :read/write from/to file (so on SD card) : around...
View ArticleTroubleshooting • No network connection after OS upgrade
Rpi model 2B with Ralink RT5370 Wireless Adapter dongle.Ran happily for years with WiFi (Wlan0) connection with Raspbian "Stretch" OS. Never used eth0 (ethernet) connection.I upgraded to "Buster"...
View ArticleBeginners • Advises on PI OS UART sofiware and LibraOffice
New to Pi OS. Please advise an UART terminal software that links to (via USB to UART dongle or UART on the 40 pins header) MCU UART for debugging. We used Imager to download and installed PI OS on SD...
View ArticleC/C++ • OpenCV VideoCapture not working with ZeroCam
Hi,I'm having some trouble getting the zerocam to work with OpenCV's VideoCapture. Tools such as rpicam-still are working fine. It's worth noting that ffmpeg is also not working.I'm compiling the C++...
View ArticleSDK • Building USB application using SDK on Windows
I am trying to build an application using RP2040 and I wanted to use USB - dual exampleI created a new project but I can't build it.I don't know why I have issues with bool and false.Code: C:/Program...
View ArticleGeneral discussion • my raspberry pi 3b can't read sd-cards
I just got a old raspberry pi from my family and wanted to start so i inserted my sd-card but the led stayed on red so it couldn't read it i wanted to know if there was anyone who knew how to fix...
View Article