Interfacing (DSI, CSI, I2C, etc.) • Coexistence of UART and GPIO
https://imgur.com/a/6AerPgEI am considering a system that enables UART0 and 2 and uses all other GPIO ports.I have read in the documentation that when UART2 is enabled, GPIO0-3 are used, but when CTS...
View ArticleSDK • GPIO interrupts only received if interrupt enabled on core 0?
Friends,I have this code running in a FreeRTOS task:Code: static TaskHandle_t task_handle = xTaskGetCurrentTaskHandle(); printf("%p\n", task_handle); gpio_set_irq_callback(+[](uint gpio, uint32_t...
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Camera board • Missing imx296_noir.json (Pi GS Camera) for Pi 5 (at least on...
The infrared (‘noir’) tuning file for the Pi Global Shutter camera doesn’t seem to be distributed with the latest bookworm updates on a Pi 5, nor does there appear to be anything available in the...
View ArticleCamera board • Which GPIO# is used for CAM_GPIO on MIPI port?
Dear ExpertsI'd like to control the CAM_GPIO pin.Where can I find the pin assignment information?In case of Legacy camera (MMAL), the CAM_GPIO is set to H, but in case of libcamera, it seems the port...
View ArticleDevice Tree • Basic guidance needed to inform Linux kernel of hardware...
For example: how would you configure Linux so a button connected to a generic Raspberry Pi GPIO would send an input event code?I hope to use the Raspberry Pi to better understand customizing the Linux...
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General discussion • raspberry pi 3b+ spi0 and spi1 data transfer...
why is raspberry pi spi0 and spi1 data transfer different?I have attached the pictures below. I used the same test code for spi1 and spi0. But in spi1 the data is sent sequentially(wait after every...
View ArticleBeginners • NodeMCU 8266 wireless communication with Raspberry pi 4b+
I have a project where I have a central Raspberry Pi 4b+ which then communicated to ~10 'pucks' with NodeMCU ESP8266 on the exterior. You can think of them as reaction trainers with just LED's and IR...
View ArticleMicroPython • Raspberry PI Pico W UART-UART problem
Hardware one Raspberry PI Pico W - PIN 1 connected to another Raspberry PI Pico W - PIN 2.I try to send some data from one Pico to another using UART. The receiver gets None before anything sent. It...
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Interfacing (DSI, CSI, I2C, etc.) • ATSHA204 Wake up problem
I am trying to wakeup ATSHA20a crypto IC, connecting on I2C bus (custom CM4 board). I use atmel-sha204a module with some modCode: --- drivers/crypto/atmel-i2c.c | 14 +++++++++++--- 1 file changed, 11...
View ArticleRaspberry Pi Connect • After apt update and upgrade rpi-connect not found.
Tried three times to install but the connect programme is not found. On a PI 5 with waylandStatistics: Posted by andylh — Tue May 07, 2024 10:54 pm — Replies 2 — Views 65
View ArticleWanted • Surveillance Vehicle
I need a raspberry pi that can be operated remotely through a fixed ip hotspot in a surveillance vehicle to turn on a dehumidifier and other things such as operating the controls of operating a...
View ArticleTroubleshooting • Help Needed: rpi-connect Service Fails to Start on...
Hello everyone,I am encountering a persistent issue with the `rpi-connect` service on my Raspberry Pi, and I’m hoping to get some insights or solutions from the community. Here’s a detailed breakdown...
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Raspberry Pi Connect • Just tried to install but failed with X11
Hi there,Currently I am using RealVNC and is trying to switch to Raspberry Pi.I have uninstalled RealVNC trying to switch over to Raspberry Pi Connect, but keeping as X11, and runs with below error.Is...
View ArticleTroubleshooting • Network-Manager simply will not work
Hi,When I try to run the Code: sudo apt install network-manager command, the system tells me that it is already installed. However, it does not show up in Code: sudo raspi-config option. I am trying...
View ArticleUbuntu • Can't install Noble Numbat server or desktop to a specific SSD on Pi5
I want to install Ubuntu 24.02 (Noble) on a Raspberry Pi 5 which has an M.2 HAT with a 1TB SSD. HOWEVER, I don't want it to use the whole Terabyte, I just want it on one of at least 3 partitions...
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Troubleshooting • Solderability isse and appearance differences
Hi all!I have problems with reflow soldering RP2040 parts DC22/09 (from broker source) and compared them with DC21/53 (from legal source). Then I found that those parts have different appearance...
View ArticleBeginners • Picamera2 & Opencv for ArUco detection
I've been trying to use my ArduCam Camera module 3 for Raspberry Pi and I'm using a Raspberry Pi 4/B (bookworm 64-bit). I keep getting this message in the terminal of VScode: QObject::moveToThread:...
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General discussion • raspberry pi4 B demaged
HiDuring install my raspberry pi4 B in my enclosure for 3d printer the board falling down and now don't working with the demage in attached pic.Somebody know which components are...
View ArticleTroubleshooting • SD card actual clock no longer 100000000 Hz after RPi OS...
I have several Raspberry Pi 2 Model B and Raspberry Pi 3 Model B devices running the Raspberry Pi OS Debian 11 (bullseye) 32-bit OS.In the "/boot/config.txt" configuration file, I have the lineCode:...
View ArticleGeneral • Issue with one of two picos when booting, but solved by...
Hi everyone,I've been working on a project for controlling a robot and have a pi4 4gb that serves as a dedicated control center for the bot. It includes two picos, 4 rotary encoders, two 10-led bar...
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