Camera board • Interpret the quad bayer raw as a gray scale.
Hello.In my case, I need to find the edges of an object with high resolution and accuracy. Light objects on a dark background. The lighting is white. So there will be a lot of red, green and blue in...
View ArticleSDK • No MQTT transmission after some time
Hi all,I'm working on a big project with the Pico and I want to use MQTT. I have experienced some problems with the LwIP MQTT function using the PICO W in no_os mode. I wrote a simple script that...
View ArticleOff topic discussion • How to set up an Orange Pi to work like a raspberry pi
Hello,I realized when working on my project that raspberry pi is too weak for my purposes, so I ordered an orange pi instead. Does anyone know if I can set up Raspbian on it or should I go with...
View ArticleBeginners • raspberry pi 5 python script as service failed
Dear,I create a service which my Blink.py start, i get this error:Code: journalctl -l -f -u manage.servicejuin 07 10:26:16 raspberrypi python3[1280]: import lgpiojuin 07 10:26:16 raspberrypi...
View ArticleLinux Kernel • Help !! Initramfs load address causing errors !!!
Hello everyoneI am getting an error when setting initramfs load address in config.txt.The code:-> initramfs initramfs.img load_addr_in_hexWhat works :- initramfs initramfs.img followkernelWhat are...
View ArticleGeneral programming discussion • Creating web page like Visual Basic (or...
I have tried to find an answer by browsing web development tools, but not certain such a development tool exists that look&feels like Visual basic etc. but is for web pages. I can do the job using...
View ArticleAdvanced users • Multiple ip addresses with dnsmasq
Some background.I have dnsmasq running on a Pi as a DNS/DHCP server (obviously, that Pi has a static address configured).I have some machines that only connect wirelessly, and some that only connect...
View ArticleOther projects • HP CP1025nw printer via USB port
I have a Raspberry Pi 3B, with Bullseye. My objective is to connect an HP CP1025nw and share it using CUPS.I can connect it via wifi and this works. I have installed the HPLIP driver and this is...
View ArticleTroubleshooting • Sending 3.3V from one RPi to a second RPi's GPIO stops...
Sorry if this is a weird setup to troubleshoot, but I'm mystified about what's going on here in my project involving multiple RPis. I have two RPi 4 systems running identical client programs. The...
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Troubleshooting • Beepy JDI Display
Hello! I am going out of my mind trying to configure my JDI display with my beepy device. I bought the device from a third party seller, it arrived in full working order untill i ruined it. I have...
View ArticleTroubleshooting • RPi5 - External USB drive not working and clicking.
Hi,I'm planning to use RPi5(8GB version) as NAS server. My setup is as following:RPi5 - 8GBOfficial CoolerM.2 HAT from 52PiMetal case from 52PiWD Red 4TB NVMe M.2 SSD25W Power supplyI have installed...
View ArticleTroubleshooting • Can't update: "raspberrypi-kernel-headers package is...
Hi there,I have a RPi4 which sits doing its thing all year around with little interaction from me.Today I wanted to update nodeJS from v12 to the latest, but I kept getting an error I couldn't solve,...
View ArticleOff topic discussion • Vacuum Fluorescent Display Emulator
The IEEE brand Vacuum Fluorescent Display that we have used for 25+ years has been discontinued by the manufacturer - their entire product line in fact. We are considering replacing the VFD with a...
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General discussion • Advice regarding micro python and Raspberry pi 4b
I would be grate full for any advice on whether it is possible to run micro python on a raspberry pi 4b. I know that it is only for microcontrollers and that I am better equipped using it for pico ,...
View ArticleTroubleshooting • Remote Desktop Connection or VNC to bookworm
I'm trying to connect with a remote desktop to a Pi 4 with bookworm.I saw this locked thread From a Windows Client, I am able to SSH into the Pi with Putty.I have disabled Wayland (per notes from...
View ArticleCamera board • Unable to use Pi camera with OpenCV 4 C++ on Bookworm
I used to run some 2019 OS and OpenCV 3 on my Pi 3B+ with my Pi camera V2.1 just fine. Then I updated to Bookworm and OpenCV 4. libcamera- still works fine but if I try to open the camera with...
View ArticleAdvanced users • Preventing reading from OTP
Hi all,What is the best way to prevent a malicious user from reading the OTP content?Say someone steals my device and gets root access to it by hacking it.Is there anything I can do so at least my OTP...
View ArticleAutomation, sensing and robotics • Current sensing and control
Hi, I have a project in mind for which I need some help. The idea is to control the current a load can draw at a given voltage -- e.g like an I-V curve.The setup will have a power supply which, lets...
View ArticleRaspberry Pi OS • Boot problem
Please help! My pi5 8gb won’t get past the welcome screen! I have a pi power source, using the correct hdmi 0 and used the imager to get the OS. I’m connecting to an LG newer 4K tv. This is the second...
View ArticleTroubleshooting • RPi Zero 2 W loses internet connection unexpectedly [Wifi...
Hi,I’m using a Raspberry Pi Zero 2 W and Raspberry Pi OS Lite 64bit (bookworm release) with the latest packages. Since I’m using the Pi to repeatedly fetch information from the internet, I need it to...
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