Questions tagged [pi-4]
For questions that apply specifically to the Raspberry Pi 4 and not other/all models.
2,074
questions
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JS8Call on Pi 4 plus [closed]
I have the latest bullseye X64 Pi OS installed, As of yesterday at least. Trying to load JS8Call and getting an error. Does anyone know of a good version to load. The error is the Failed to install ...
0
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14
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Unable to connect to Raspberry pi 4 using ipv4, ipv6 or hostname [closed]
I have klipper running on a raspberry pi 4 with raspberry pi os lite 64-bit headless. Up until yesterday, I was able to access the pi using ssh with ipv4 or the hostname but for some reason today I am ...
0
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0
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21
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What simultaneous H264 live encoding capacity could be expected from RPi4
According to the specifications RPi4 is able to encode 1080p at 30fps and I've ssen benchmarks backing that claim up, but I'm interrested in encoding multiple streams simultaneously. What could then ...
- 101
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9
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Is it possible to install ZFS on OSMC on Pi 4?
I've tried installing ZFS on OSMC, but when installing zfs-dkms with apt it fails to build because it cannot "build an empty module". The configure script is failing, and when following the ...
- 183
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17
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+50
SUSE SLE Micro - Setup STA + p2p-go on Raspberry pi 4 Model B to connect Android using Wifi direct
I would like to setup my pi with station and p2p-go and want to connect Android Samsung to PI using WiFi Direct which is able to connect with my printer WIFI direct with simple connect so no problem ...
- 61
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8
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Configuring Darkice on Raspberry pi 4 with IOcrest USB Soundcard
I have had nothing but issues with 2 methods of trying to get my raspberry pi 4 to stream my RTL SDR audio over my network. I have tried 2 methods. The first was using XRDP and remote desktop on ...
- 1
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1
answer
26
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How to connect this CM4 to a display and reinstall os?
I have this gridxbox which is a raspberry pi CM4. To function it only required power input via type c port and lan cable connected to lan port.
https://www.gridx.ai/edge-services
Would like repurpose ...
- 101
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0
answers
18
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The Google page with videos that one by one get played on tv stops after about 65 seconds using a Raspberry Pi
I am working on a kiosk presentation slide program on a raspberry pi, the slides work fine on a computer monitor, but when I try the program on a Television it resets to the first video after about 65 ...
0
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0
answers
12
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Pi4 : use both hmdi outputs with independent graphical display instances
I would like to craft a raspberry pi 4 (or 5) based solution that can use both HDMI display outputs, but with two independent desktop instances :
first display is the regular desktop (with a user ...
- 129
-1
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0
answers
17
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How to mount a CM4 in a virtualBox VM
I have a process to mount a raspberryPi Compute Module 4 (CM4) as a disk in order to flash it. I use rpiboot to do so and I can flash it without any complication on a Linux PC.
For testing purpose, I ...
- 99
1
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31
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Why might my Raspberry Pi CM4 running Android not adapt to my transparent display?
I am tinkering with the idea of using a Raspberry Pi CM4 (for the IO) running Android (for the apps/app ecosystem) using a transparent LCD display (link at the bottom). The CM4 is on a Raspberry IO ...
0
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0
answers
31
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RPi4 procedure for booting secondary CPUs
From https://github.com/s-matyukevich/raspberry-pi-os/blob/master/docs/lesson01/rpi-os.md I found such a statement:
The Raspberry Pi 3 has four core processors, and after the device is powered on, ...
- 101
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votes
1
answer
35
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How to decouple USB power and OTG on RPi4 USB-C?
I want to use USB-OTG on my Raspberry Pi 4, but I want to have a possibility to cut the power off and thus force reboot of the device.
Currently my RPi is powered via Power pins in 40 pin GPIO headers....
- 713
1
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answers
49
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How to fix my routing problem using NordVpn? [closed]
I setup RaspAP (the easiest, full-featured wireless router setup for Debian-based devices) using a Raspberry Pi4.
I'm able to connect to Wi-Fi provided by the built-in adapter wlan0 and navigate ...
- 11
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votes
1
answer
35
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Raspberry pi cannot ssh
I have a Raspberry Pi 4 4gb ram and I installed Raspberry OS lite 64-bit on it. I then sshed into it and realized I didn't know the password that was set(I believe I know what it was now). I then ...
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answers
11
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Need guidance using 4 Pico PiRP2040 and getting variation in output signals
I am using a PICO RP2040 where the trigger signal (reference voltage) is connected to GP14. I’ve programmed the Picomite to set a trigger value for a falling edge, which means the trigger should ...
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answers
35
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Interlaced HDMI is not working on Pi4 Bookworm
I've a Pi4 with Bookworm (CLI, no desktop). I'm trying to get 1080i50 output from the HDMI, but the Pi keeps sending progressive on the output.
Everything is freshly newly installed (so up to date).
I'...
- 1
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0
answers
11
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RPI and microrendu
Currently, I use Rpi to store my songs (in BubbleUPNP server) and select the song at Rpi with VLC. Now, I would like to output the songs with DLNA/UPNP to microrendu. I found VLC can stream to ...
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answers
33
views
Getting Energenie Pi-Mote IR control board to work on Raspbery Pi OS Bookworm
I've bought an Energenie Pi-Mote IR control board for controlling my TV from a raspberry pi 4b and I'm struggling to get it to work. The manufacturer supplied user guide (https://energenie4u.co.uk/res/...
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0
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23
views
Host not serving web requests without an active SSH connection
I am self-hosting a Netbird co-ordination server on a ubuntu based Linode VPS environment, and use two Netbird clients where one is installed on the same Linode VPS and the other on a Raspberry Pi 4 ...
- 101
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0
answers
24
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Touchscreen freeze solution required
I am using a touchscreen with Raspberry Pi 4 Buster OS to implement a multiscreen UI. The app is implemented in PyQt5. The screen occasionally freezes if touched very frequently. The QT buttons stop ...
- 1
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answers
40
views
On-screen keyboard popup on chromium text field input
I am running a web app on my pi using streamlit. I want my pi to operate as a standalone system so I have it connected to a touchscreen and I have a systemd script to autostart my streamlit app and ...
0
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0
answers
27
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Problems with logging into CrowPi2 Laptop (possible raspberry pi error)
Whenever booting up my crowpi2 laptop, i am faced with a shutdown/login screen. When I type the correct password in, it simply returns to that same screen.
I am not sure if it is my raspberry pi or my ...
0
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0
answers
33
views
PI 4B stopped working after I possibly shorted 5V from USB PSU to USB ground casing. Any fixes?
I had the Adafruit RGB Matrix Bonnet using the GPIO pins on my Raspberry Pi 4B connecting to a 64x64 LED matrix. Everything was working well.
Then I decided to try and add a little fan from an old PI ...
- 101
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0
answers
22
views
Raspberry pi 4 and ev3
I'm working on a project, I want to use computer vision on the Raspberry Pi 4 to identify objects and then send the information to the ev3. For this communication, I want to know if there is any way ...
1
vote
2
answers
39
views
Document history?
I'm new here, and looking for where can I find some older version of the official document on raspberrypi.com, or where to get the document history?
Specifically, for this document, at around May of ...
- 111
0
votes
1
answer
69
views
Not able to boot compute module 4 via USB
I want to boot Raspberry PI 4 compute module. I am following documentation to setup Raspberry PI 4 with a Raspberry PI 64bit OS
I connected Micro USB slave port to linux host and connect J2 jumper to ...
- 11
-1
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0
answers
209
views
chromium-browser won't open automatically in kiosk mode on logging in
I've read up on this with a couple of different options, and none of them seem to work.
Here is what I want: I have a Raspberry Pi hooked up to a TV. It auto-logs in to the desktop (user classic). ...
0
votes
0
answers
35
views
.bat file configuration for raspberry pi 4B Qemu for raspian os 64bit bookworm (latest qemu emulation)
i want the content of run.bat file required for running latest raspian os 64bit bookworm (raspberry Pi 4B) on qemu(aarch64) on windows 11. I had seen earlier version but they are no help as thery ...
- 1
-1
votes
1
answer
63
views
Why are my motors not working with my Raspberry Pi?
I'm trying to follow this tutorial on how to build a buggy with a Raspberry Pi. I'm using all the same parts except for the Pi and the battery. I am using a Raspberry Pi 4B and an 8.4v battery from ...
-1
votes
1
answer
69
views
Cannot SSH to Pi4B from Mac
Mac: MacBook Air M1 chip running Sonoma 14.5
Pi4B: flashed SD card with SSH enabled, no WiFi network loaded (just want to focus on Ethernet connection)
Connection: Pi >> Ethernet cable >> ...
- 1
-1
votes
2
answers
152
views
Raspberry Pi 4B and Ubuntu 22.04 GPIO
I am running Ubuntu 22.04LTS in order to use ROS-humble on my RPi, however I am running into some issues. How do I configure the GPIO pins and also is there some things that I should note. I plan on ...
- 1
0
votes
0
answers
59
views
Motion starts but won't stay up as a service
I have a DSLR which I plug in USB to get a video stream using gphoto2 piped with ffmpeg. This works and my stream gets in /dev/video0.
All that on a Pi 4
I want to use motion to stream that to port ...
- 1
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votes
2
answers
57
views
How to fix corrupt raspberry pi backup image
I made a backup of a bootable raspberry pi usb flash drive using disk utility on a mac. Apparently the disk image is corrupt and I no longer have the original USB flash drive. I have tried to see if I ...
- 101
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0
answers
27
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RPI 4 with LS7366R encoder counter chip with incremental photoelectric rotary encoder
I have raspberry Pi 4 and it is connected to LS7366R, but I am not using the CS0 or cs1, am using any GPIO and controlling it (high/low) manually.
the encoder has A and B signals, and they are ...
- 1
1
vote
1
answer
87
views
Wireless doorbell modification
I bought this cheap wireless doorbell on Aliexpress https://www.aliexpress.com/item/1005004524467677.html?spm=a2g0o.order_list.order_list_main.106.6c021802keB7Mf
The button action a piezoelectric ...
- 121
-1
votes
1
answer
136
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Instructions for installing eGalax Touch Screen from the command line on Raspberry pi 4b
I need instructions on how to install, configure, calibrate, eGalax Touch Screen. All necessary actions must be done from the command line, replacing and editing files.
definition USB:
root@pi:~# ...
- 1
1
vote
1
answer
346
views
Can't find libcamera-v4l2 on apt on Raspberry PI 4
I have been trying to run the following command:
sudo apt install libcamera-v4l2
To no avail:
admin@RegularPi:~ $ sudo apt install libcamera-v4l2
Reading package lists... Done
Building dependency ...
- 121
0
votes
1
answer
110
views
Need advice building python code to read Temperature/RH sensor on RPi
I am currently working with a Raspberry Pi 4B. I have an i2c shield connected to the PI and then my temp/RH sensor connected directly to that. The sensor is here and datasheet - where pgs 11-18 have ...
- 1
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0
answers
31
views
Azure IOT hub python package error in Raspberry Pi
I am using Raspberry Pi 4 and working on a project which involve azure-iot-hub. I have installed it using pip3 install azure-iot-hub and I am importing it like
from azure.iot.hub import ...
- 490
0
votes
0
answers
47
views
Can I disassemble start4.elf file?
I am a student studying with the Raspberry Pi 4.
I would like to learn about the embedded boot process, and I want to disassemble the startup4.elf file, but I was unable to do so with objdump or the ...
- 1
0
votes
1
answer
98
views
AS5600 encoder is not reading on Raspberry Pi 4
I'm trying to read the stepper motor angle using the AS5600 magnetic position encoder.
I'm using Raspberry Pi 4 and the pinout is the following:
VCC to 3.3V , GND to Ground ,SDA to GPIO2 (Pin 3) , SCL ...
- 1
0
votes
0
answers
37
views
Setting up Google AI Assistant SDK on Raspberry Pi 4
I have followed the guidelines from https://developers.google.com/assistant/sdk/guides/service/python on how to set up Google AI Assistant SDK's and am trying to get it working on my Raspberry Pi 4. I ...
0
votes
2
answers
66
views
Installing rtl8192eu does not work cause of gcc issues
I want to install the rtl8192 linux driver in order to use my TP-Link TL-W823N USB adapter but when I execute sudo dkms install rtl8192eu/1.0 then I get gcc error messages.
$ cat /var/lib/dkms/...
- 101
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answers
19
views
U-Boot on alternative pins
My GPIO 14/15 pins (and I believe UART0 and UART1) are broken, so I cannot use the default serial port for U-Boot.
How can I get U-Boot to boot on a different serial port on my Raspberry Pi 4B?
- 101
-1
votes
1
answer
75
views
Minimal config.txt for enabling UART0
I am attempting to connect to the UART0 on my Raspberry Pi 4B. I have shorted together GPIO pins 14 and 15 (pins 8 an 10 on the header). I then run picocom /dev/ttyAMA0 and see if it's echoing (it ...
- 101
0
votes
1
answer
28
views
Is it possible to supply power to Raspberry Pi 4 using gnd on pin 9?
I need to power the Raspberry Pi 4 using GPIO pins. In most cases, people do this using 2 or 4 pins for 5V and 6 pins for GND. But the 6th pin is already occupied for cooling, and it is difficult to ...
- 1
0
votes
0
answers
32
views
Problem getting rgb frames via intelrealsense d435i on raspberry pi 4
I am using a Raspberry pi 4 with 8gb ram, with ubuntu server 22.04 OS and ros2 humble installed. I followed all the steps from the official documentation of intelrealsense github to install the ros ...
0
votes
0
answers
27
views
Raspberry Pi SSH Tunnel Service Error: Code "255/EXCEPTION"
I am new here.
I've recently implemented an SSH Tunnel Service on my Raspberry Pi. Here's the configuration of the service:
[Unit]
Description=SSH Tunnel with target server
After=network.target
[...
0
votes
2
answers
83
views
How to control a 12V DC siren with Raspberry Pi GPIO?
I'm currently working on a project where I need to control a 12V DC siren using my Raspberry Pi's GPIO pins. I want to be able to play and pause the siren programmatically through my Raspberry Pi.
I'...
