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FFMPEG hangs intermittently before audio recording starts

I'm trying to get FFMPEG to pull both audio from my webcam. It works fantastically, when it does, but is intermittent. I am using the following command: ffmpeg -report -y -f alsa -channels 1 -ar ...
LazySpoon's user avatar
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0 answers
7 views

Can I use DHCPCD for dynamic IP router and static IP on Raspberry Pi?

Can I use DHCPCD for dynamic IP on router and static IP on Raspberry Pi ? The whole mess is due to the fact that I need dynamic IP on the router, because of the fact that I shared internet through my ...
Cristian Florescu's user avatar
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0 answers
6 views

Problem Mapping a 2nd Pi USB Drive in Windows

Please help. I've just added a 2nd NAS drive to my Pi 4 Plex server and now I'm struggling to map it to my Windows laptop. Both disks are mounted and are visible on Plex when adding libraries so I ...
Jon's user avatar
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0 votes
1 answer
9 views

Raspberry Pi pwm fan control

I have a PWM fan connected to pin 18 What is the simplest way to make the fan turn on at 50 degrees and turn off when the temperature drops to 35 degrees.
JBC's user avatar
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0 answers
15 views

RPI4B OV5647 Camera black screen!

Hi i recenlty bought a camera for my RPI4B but for some reason it's not working, whenever i enter libcamera-hello or rpicam-vid i get this error new@raspberrypi:~/rpicam-apps $ rpicam-vid [0:13:59....
user21184434's user avatar
0 votes
1 answer
12 views

Connect with two wifi adapters to networks where in each is a device with same IP

I want to connect to my two Huawei inverters. Each has a wifi that I can connect to and I have the built-in wifi and an additional USB wifi. If I connect to each individually the inverter is 192.168....
Thomas's user avatar
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0 answers
7 views

Raspi not using IPv6-Interface-ID defined in router settings

I'm trying to make my raspi available via dyndns over IPv6. I have the whole dyndns thing setup in my router and it works. When trying to make the raspi itself available I can open up ports in my ...
Daniel Waidele's user avatar
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0 answers
14 views

Why has 64GB SD RPi Bullseye OS card "lost" half it's capacity after opening on PC

I attempted to set up a RP print server using Bullseye(32) on RP 3B+. There were issues that pointed to an i386 problem (...for another day..). I read Bookworm supported i368 so I decided to start ...
Shawangunk's user avatar
1 vote
0 answers
11 views

Recording raw RGB video format using picamera2

I am trying to record raw RGB video format using picamera2 and Raspberry Pi-4b, for the sake of imagining in the context of biological research. Basically, trying to avoid any compression, etc. during ...
Amir_k's user avatar
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0 answers
19 views

Docker Image with audio acess not working, wrong output device

I am running a Raspberry Pi 4 with Ubuntu 22.04 connected to an Elecrow 7inch LCD Display-H 1024x600 that has an audio jack for headsets and comes with two speakers. I am trying to setup a docker ...
K. Meyer's user avatar
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0 answers
16 views

setting up batman adv

I am trying to configure batman-adv. I am using two raspberry pi 3a+. I have Raspberry Pi Os bookworm (not lite version) installed on them. Each raspberry has a wifi adapter (rtl8812bu chip used this ...
Xrou's user avatar
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0 answers
18 views

MCP23017 connected to raspberry pi not showing up until I remove and reconnect SDA cable

I am testing an MCP23017 I2C port extender connected to a Raspberry Pi Zero 2w. I can get i2cdetect to detect the extender only after I remove and reconnect the cable going to SDA (GPIO2). I have to ...
joe_coolish's user avatar
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0 answers
13 views

Synchronizing smartwatch data with microcontroller

I'm working on a microcontroller-based system that receive ECG signal from smartwatch in real-time, based on other data too like age and sex the system should give medical suggestions. I read about ...
user160633's user avatar
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0 answers
5 views

Different printing behavior of Raspberry vs Ubuntu using a Dymo LabelWriter and a PostScript file

I'm defining a PostScript file as a template to then use it as a base to print labels. For this I was using my Ubuntu desktop, but when I tried to print the same PostScript file on the Raspberry, I ...
Daniel N.'s user avatar
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1 answer
13 views

Port forwarding issue

I have a RPi with Raspian OS. On the RPi there is an app called lab_app, running on port 80. I have installed Nginx. I have configured Nginx via file /var/www/lab_app/lab_app_nginx.conf and ...
Tms91's user avatar
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0 answers
15 views

Vnc - Raspbian OS with pihole installed

I currently have a Raspberry pi3 + installed raspbian installed , running pihole NAME="Debian GNU/Linux" VERSION_ID="11" VERSION="11 (bullseye)" VERSION_CODENAME=bullseye ...
Gridmstr75's user avatar
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1 answer
33 views

I am looking for clarity on how the libgpio works with higher functions (esp I2C)

I am working on a RPi 5 running Bookworm with C. Adding the line dtparam i2c_arm=on to the config.txt enables I2C on GP Pins 2/3 accessed through /dev/i2c_1. Reboot to activate. This works fine on ...
Nic A's user avatar
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0 votes
0 answers
7 views

Newb_Python_Checking if a process is running. Seeed XIAO RP2040

Im very new to micro controllers and I recently bought one powered via a Seeed XIAO RP2040 (ANAVI knob 3). I was wondering if there was a way to make the functions of any key dependent to the program ...
Jose's user avatar
  • 1
2 votes
1 answer
10 views

What to set PICOHTTPS_CA_ROOT_CERT in picohttps example in RPi Pico C - SDK

I'm trying to make a request to an ip using RPi pico w, using the picohttps example provided in here. Now for that we have 3 needed parameters in picohttps.h file - SSID, SSID_Password, ...
SOUHARDHYA PAUL's user avatar
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0 answers
7 views

Use a Raspberry Pi 400 to emulate keystrokes on a Mac, based on video input

I am looking to do an ambitious project using RP 400. I want to be able to “press” left and right key on my Mac based on a video input. For example press left everytime a light is red and right if it ...
Alireza's user avatar
  • 101
1 vote
0 answers
30 views

Installing TensorFlow Lite dependencies and OpenCV

I am getting this error while running this command "bash get_pi_requirements.sh" to Install TensorFlow Lite dependencies and OpenCV for my object detection project. What could be the issue ...
Suprio Barua's user avatar
0 votes
0 answers
17 views

PuTTY Fatal Error Network Error

I am currently trying to connect to my raspberry pi 4 model b using a Ethernet cable to my laptop. I used PuTTY to connect to the pi which at first has no issue but after a min or two it has a fatal ...
Cthulhusan's user avatar
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0 answers
28 views

Triggerhappy failing on 64 bit Bookworm on Raspberry Pi 4B

I am testing the new Bookworm 64 bit https://downloads.raspberrypi.com/raspi ... 023-12-06/ on Raspberry Pi 4B. During boot, the triggerhappy udev rule is failing and board doesn't boot up. Steps: ...
Preeti 's user avatar
  • 131
0 votes
2 answers
20 views

when I plug in my raspberry pi peco w into my computer the LED doesn't turn on

When I plug it into usb I can code on it, but when I power it by GND and +5V pins the LED doesn't
Oscar Burton's user avatar
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0 answers
11 views

USB devices changes ttyACM and device rumber on automatic reconnect

I have a Quark elec AIS receiver connected to my raspberry pi 4 and after some randon amount of time it disconnects en reconnects. After this the device number and the ttyACM* number changes. See the ...
Daan's user avatar
  • 1
0 votes
1 answer
23 views

How to prevent fstab errors from bricking Raspberry pi 400?

I'm trying to set something up on a Raspberry PI 400 with an external USB drive, and every time I make the slightest mistake in fstab I have to start again from scratch. It just boots to emergency ...
Nestor's user avatar
  • 101
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0 answers
10 views

Why when I take a video with 30fps I get one with 25 fps?

I am taking a video with the following command rpicam-vid -t 15000 --framerate 30 --width 3200 --height 1300 --codec mjpeg -o hello.mjpeg (just to check I also do rpicam-vid -t 15000 --framerate 30 -...
KansaiRobot's user avatar
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0 answers
25 views

ras pi 4 has terrible video rendering performance when streaming in vnc and firefox.Do i need to install specific drivers

I cant understand why either my raspberry pi 3 or my pi 4 wont adequately stream video from youtube . It is unbearbly choppy and sluggish.
Patrick Mcgrory's user avatar
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0 answers
19 views

Compute Module 4 board to board connector to OTG USB C

I am currently thinking about a project that I want to do with a Raspberry Pi CM4 or an equivalent product. The thing is that I know some things about Raspberry Pi computers (I own a 3B+ model) but in ...
Johnny Ratton's user avatar
0 votes
1 answer
12 views

How to disable sysrq on UART

I am trying to talk to a device over serial (ttyAMA0 or serial0) and it works, but sometimes I get the following TX from my rpi4, which crashes the device I talk to: [22763.820857] sysrq: HELP : ...
tester's user avatar
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0 votes
0 answers
11 views

Can the Raspberry Pi be a remote content delivery device?

I have a limited understanding of how networking works but I am trying to use the Raspberry Pi to deliver content to users that are connected wirelessly (ideally through wifi) over a local network. ...
Eric Olsen's user avatar
0 votes
1 answer
24 views

Does Raspberry Pi 5 work at 75hz or 100hz computer screen?

I have a Raspberry pi 5 running raspberry OS i don't know if it can work at 100hz or 75hz screen refresh rate at 1920x1080 resolution please can anyone tell me?
Phan Phạm Vũ Khoa's user avatar
-1 votes
0 answers
57 views

Connecting 12V doorbell signal to GPIO input

I'm trying to connect the signal from a doorbell to a Raspberry Pi Zero 2W to modernize the existing system with IoT capabilities. I did some measurements and I found that the terminal that powers the ...
SierraJuliettMike's user avatar
0 votes
0 answers
21 views

Boot issue while using u-boot with Raspberry Pi 4 in 32-bit

I am trying to integrate 32bit u-boot for Raspberry Pi 4B 32bit. Below are my steps: Installed Raspbian (bookworm) 32bit on SD card using Raspberry Pi Imager. Built u-boot binary using ...
Preeti 's user avatar
  • 131
0 votes
0 answers
9 views

How can I take high resolution videos with rpicam-vid?

I want to take a video from my dual camera, using rpicam-vid. The desired resolution is 3200 x 1300 I have tried using h264 but as commented here and also here The h.264 encoder is limited to ...
KansaiRobot's user avatar
0 votes
0 answers
13 views

Pi 400 Bullseye 11 digital clock format from 24-hour to 12 hour

Currently: Digital Clock Format %R Tool tip format %A %x Thank you in advance.
WacoJohn's user avatar
0 votes
1 answer
20 views

Trying to understand the under voltage issue

Using this script to provide a power report, I am getting the following while powering the Pi with iPhone power brick and the official Raspberry Power supply brick: -- using official Raspberry Pi ...
AngryHacker's user avatar
0 votes
0 answers
12 views

Why does the password I set not work?

I tried connecting to my headless raspberry Pi 2w on my Lenovo Windows 11, however it is not recognizing the password that I set. I tried doing this over 5 times just in case I made any typos but I ...
Vamonos raza's user avatar
0 votes
0 answers
19 views

Huawei 3G dongle not capable of falling back to 2G

I've been using this generic 3G dongle (branded "HSDPA" but it is the well known 12d1:1001 "E169/E620/E800 HSDPA Modem") happily on a very old Raspberry Pi model A for a year or ...
Rado's user avatar
  • 101
0 votes
1 answer
20 views

How can I add media on an external drive to Jellyfin?

I've just installed Jellyfin on my Raspberry Pi 4 using this guide. When I try to add a library from my external SSD, I get the error "The path could not be found. Please ensure the path is valid ...
WalrusMonger's user avatar
0 votes
0 answers
13 views

Creating Pi small touchscreen menu in Election

I've got a Pi4 4GB and a Waveshare 4.3" touchscreen and I'm wanting to build a cyberdeck. i3wm is OK, but I'd prefer to have a custom fullscreen touch menu. Pimenu uses Python2 and doesn't seem ...
Joshua Ellis's user avatar
0 votes
1 answer
16 views

RPi4 - pigs bscx SPI slave not working

I have an ESP32 set to an SPI Master with 100kHz, Mode 2 and just want to send 0x19 to the RPi4 as a slave running pigpiod and using shell for output. When I use piscope, everything seems fine for me ...
karlo922's user avatar
0 votes
1 answer
26 views

Spec for the power requirement of a Raspberry Pi-3

I am using a Pi-3 with a relay board to control my gate. The gate doesnt have the facility for automation, so I have the relays, effectively pressing the buttons on a remote. The Pi, relay board and ...
Rohit Gupta's user avatar
0 votes
1 answer
80 views

How to prevent headless mode in bookworm when no monitor is connected to an R Pi 4 [closed]

I believe this is the opposite of what most people want (based on search results on the web from various sources) - because I don't want headless mode, but that's where it's booting to. When no ...
Chiwda's user avatar
  • 171
0 votes
1 answer
37 views

It is possible to set I2C bus speed programmatically without the bcm2835 library?

All, I've ported a C++ OLED library from the bcm2835 library to use i2c-smbus to prevent having to run the executable as root. (not the best from a security standpoint). However, i2c-smbus and ioctl() ...
David C. Rankin's user avatar
0 votes
0 answers
24 views

Raspberry 4B Composite video issue

Need your help with the Raspberry 4B Composite video issue. I have read official documentation and a lot of topics on the internet, but still did not solve my problem. Problem: I power Raspberry ->...
SPS's user avatar
  • 1
0 votes
1 answer
25 views

Corrupted Micro SD on Pi 0 W (RAW partition, can't format)

I have a 256gb card and a Pi 0 W. both were sitting on the shelf for the past year until I decided to try flashing Raspbian with Pi imager and boot the Pi. I made the ssh file, plugged it in and ...
Kofa's user avatar
  • 1
0 votes
2 answers
52 views

make white 3.3 Vforward led ON exactly when output pin is high; output pin goes through level shifter then motor driver op amp

COMPONENTS; raspberry pi; level shifter 3V in 5V out; motor driver (H bridge L293D chip = op amp with diodes to protect inductive kick on power off); solenoid valve; CIRCUIT; GPIO23 on raspi is an ...
William Garber's user avatar
-1 votes
0 answers
43 views

I don't have a raspberry pi, but I need to test my code

I want to do the astro pi project and I have my code, but I have no way of testing, I don't have a raspberry pi but in theory my code should work, if someone could test it or look for mistakes I'd be ...
Sasmit Sahay's user avatar
0 votes
0 answers
24 views

How can [g]parted be run against a PCI SSD?

My Pi 5 boots from a Pimoroni PCIE SSD. I should like to reduce the rootfs partition to give space for a partition separate from rootfs. If the boot order is changed to "sdcard, ssd", the ...
user8150417's user avatar

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