All Questions
37,832
questions
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8
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No SPI0 MISO pin on Raspberry PI 3B +
I had to reinstall my Raspberry Pi, now with Raspberry Pi OS bookworm, keeping the hardware. I am using a MCP3008 ADC converter with the new Adafruit libraries as https://learn.adafruit.com/raspberry-...
- 255
-2
votes
0
answers
3
views
Raspberry PI pico W. Remote control of on-board programs
This is a general question about remote control of the Pico W. I have followed the instructions from the RPI Foundation to create a simple web server on the Pico W that reads the temperature and ...
- 1
0
votes
0
answers
15
views
ADC0834 Only Returning Zeros on Raspberry Pi 5
[
I’m having trouble with my ADC0834 setup on a Raspberry Pi 5. Despite following a guide The Guide I used, my setup only returns zeros. Here are the details:
Connections:
CLK on the chip connected to ...
-1
votes
0
answers
14
views
Does a Raspberry Pi 5 needs the exact voltage for optimal functioning?
Question 1:
I'm planning to power a Raspberry Pi 5 with my old 33W mobile charger. I know that voltage rating is what that matters rather than ampere rating.
This is the rating of my mobile charger: 5-...
0
votes
0
answers
11
views
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 ...
1
vote
2
answers
28
views
Can I use RPI to share my USB dongle internet to LAN port?
I recently bought an Asus RT-AX59U router which I wanted to use together with a Huawei 3372-325 4G USB Modem (dongle) to provide internet access.
The problem is that the router is not compatible with ...
- 111
0
votes
1
answer
13
views
Debugging Wi-Fi Not Connecting on Raspberry Pi 4 (Bullseye)
Hi I'm running the following O/S on Raspberry Pi 4:
Distributor ID: Raspbian
Description: Raspbian GNU/Linux 11 (bullseye)
Release: 11
Codename: bullseye
I've got a unit that can scan for Wi-...
- 111
0
votes
0
answers
15
views
Connect Rotary Encoder (5V) to Raspberry PI
I am trying to connect my Rotary Encoder to my Raspberry Pi.
My Rotary Encoder has 4 Cables:A++,B++,VCC and 0V.
Here is my Logical Converter:!Logical Converter](https://europe1.discourse-cdn.com/...
0
votes
0
answers
9
views
Raspberry Pi 3b.Platform [duplicate]
I have just purchased a new Pi3b to set up as an MMDVM hotspot, the following is this genuine.
Platform:Raspberry Pi 3 Model B Rev. 1.2 armv7| 1GB - Stadium China - Board # a52082
OS: Raspbian GNU/...
-1
votes
0
answers
23
views
How to create an img file from a linux installation on SD card on Windows 10?
After configuring my linux distribution on the device, I want to create a new img file from the SD card so that next time I write it using Raspberry Pi Imager I won't need to do all the same config ...
0
votes
0
answers
18
views
Rotary encoder issues
I currently have a 600 p/r encoder hooked up to a pi 4. Seems to work ok, but due to the pi OS (bookworm) it usually misses some counts. From what I read, it seems that there are 2 possible ways to ...
- 1
0
votes
0
answers
16
views
Best memory / storage solution for high read / write throughput application(s)? [closed]
I have an application that uses a Raspberry Pi Model 4B (4GB RAM) running Raspberry Pi OS. Initially I was flashing the OS image to an SD card (and using that for storage as well), but I wanted faster ...
0
votes
0
answers
21
views
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
0
votes
0
answers
25
views
Unable to control TFT screen using RP2040
I am tinkering with the raspberry pi pico (the one with RP2040 chip). I am trying to use a TFT 1.24 screen controlled by the GC9A01A driver. I have followed the datasheet and the code I was able to ...
1
vote
0
answers
28
views
Burnt USB C port
I was using my Raspberry Pi 5 as usual (just a headless file server with only one USB SSD drive connected) when I lost connection a few times. When I checked the status light, it was turning on and ...
- 11
0
votes
1
answer
36
views
Boot process hangs on systemd-rfkill.service [closed]
I'm a beginner. I have successfully installed my first Raspberry Pi 5. It worked fine until, after a reboot (not the first one), the boot process hangs at this step:
systemd-rfkill.service
I tried to ...
- 101
0
votes
0
answers
8
views
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
0
votes
0
answers
15
views
ssh on Bookworm: How to reenable blowfish cipher? [closed]
When transferring files form by Raspberry 2 via SCP/SFTP I have the problem since Bookwork that the cipher "Blowfish" is no longer supported by sshd.
I have tested all the supported ciphers ...
- 338
0
votes
1
answer
208
views
lgpio: 'can not open gpiochip' lgpio seems unable to open gpiochip devices
I'm trying to run a GPIO program on my rpi5 using gpiozero, but I am unable to because of the error:
Unable to load any default pin factory!
and the warning above is:
Falling back from lgpio: 'can not ...
0
votes
0
answers
35
views
connecting 5 solenoids to raspberry pi (can anyone do it or should i leave it to a pro?)
I'm opening a perfume spraying vending machine and I need to link 5 solenoids to raspberry bi. Is it easy or should i hire someone to do it? I live in vietnam and the language barrier is a setback for ...
-1
votes
0
answers
19
views
Bazel installation failed on Orange Pi with Raspberry Pi OS [closed]
I had a problem with the install of bazel on my Orange PI Zero, I began to install Debian OS on my Orange PI and the installation of Bazel failed whereas I followed instructions for Linux.
So I ...
0
votes
0
answers
12
views
Use qprompt on Raspberry Pi 5
I am trying to run the application qprompt on a Raspberry Pi 5 with 8GB RAM.
To do that I followed the instructions from the Cannonical Snapcraft installation instructions. Installation works find, ...
- 484
1
vote
0
answers
17
views
+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
0
votes
0
answers
14
views
help with nmcli connect command [closed]
I have one raspberry pi 4B with OS reinstalled (64 bit default). After reinstallation I am found nmcli connect command not working anymore which I didn't face earlier. I then took another raspberry pi ...
0
votes
1
answer
20
views
Can't install OpenCV on my Raspberry Pi
I am an absolute noob at this since I started recently. I am installing OpenCV for Tensorflow for a project. How To Run TensorFlow Lite on Raspberry Pi for Object Detection is the video i am using. I ...
0
votes
0
answers
10
views
Flip touchscreen horizontally
How can horizontally flip a touchscreen in Raspberry Pi OS? I already flipped the visible part of the screen using xrandr --output HDMI-1 --reflect x after having changed from Wayland to X11. And it ...
- 484
0
votes
0
answers
22
views
Error: "bash: ./minecraft-pi: cannot execute: required file not found" [closed]
I wanted to run minecraft pi edition on my raspberry pi 5, but always when i try to start it, it says "bash: ./minecraft-pi: cannot execute: required file not found" I tried to open it in ...
- 1
0
votes
1
answer
43
views
Samsung Touchscreen with Raspberry
I have the Samsung SMART Signage DB22D-T LED at home. I would like to connect this screen to my Raspberry and use the touchscreen.
How do I do this?
The connections of the screen:
Raspberry Pi 4, ...
0
votes
0
answers
22
views
Raspberry Pi 5: Host + Slave USB setup
Project:
Plug a USB mouse into a Raspberry Pi
Read the mouse inputs
Forward them to a PC (That PC recognises the Pi as a mouse device)
Background:
Hey Guys,
I'm currently struggling with trying to ...
- 1
0
votes
0
answers
34
views
Fresh install of Raspberry Pi OS Lite does not boot after update - ACT LED blinks 7 times [closed]
I a fresh installation of Raspberry Pi OS Lite (Released 2024-07-04), on a RPI 4.
After apt update & apt upgrade the OS does not boot and the ACT LED blinks (short) 7 times, which indicates a &...
- 101
0
votes
1
answer
35
views
How can I safely connect a 12V PWM fan with external power to a Raspberry Pi for PWM control?
I'm working on a project where I want to control a 12V PWM fan with a 4-pin header using a Raspberry Pi.
I am aware that a Raspberry Pi does not require a fan in day to day use cases but the reasoning ...
1
vote
0
answers
79
views
+50
Vpython via the raspberry pi 5
While trying to make a model of a red ball via vpython, I encountered an issue on my raspberry pi 5. I installed vpython like this: pip install vpython
But when I ran this an error occurred:
error: ...
0
votes
2
answers
39
views
Water detection with bare wires and internal resistor
I am making a DIY water changing system for my reef aquarium. I have some peristaltic peristaltic pumps and a .NET IOT app (am professional .NET developer) that controls the pumps.
The last piece of ...
0
votes
0
answers
12
views
RPI 5 8G + Debian 12: Long stalls in I/O throughput to the sd card in the PCB slot, but only when Debian installed
Did the "stock" install of Debian 12 as I understand it:
-installed gdm3 as the display manager
used raspi-config to set the window manager to wayland
Doesn't happen with Ubuntu 24.04 or ...
- 1
0
votes
2
answers
39
views
programming Raspbery pi model B remotely
recently I have acquired raspberry 1 model B for a very cheap price. I want to learn some python on it but Desktop version is super laggy and command line isn't very practical for code writing. I know ...
- 101
0
votes
0
answers
20
views
Best way to configure a Raspberry PI OS for PXE boot
I want to take a Raspberry PI OS image and rebuild it with packages, set up ssh keys and nfs client. What is currently the best way of doing that? I could just set up a raspberry pi implement the ...
- 129
1
vote
1
answer
38
views
Unattended upgrade is ignoring python packages
unattended upgrades is not upgrading the python packages that are available for upgrade. Other packages do get upgraded, for example raspberrypi-sys-mods got upgraded last night.
pi@raspberrypi:~ $ ...
- 121
0
votes
0
answers
33
views
newbie with GPIO not reacting on my script [closed]
i am completely new to programming Raspberry pi and have written a code to react to a PIR sensor when a hand is moving over it. the purpose of the program is to unblank xscreensaver and when i test it,...
0
votes
0
answers
23
views
+50
RPI5 - No responding / Crash during files copy
I created this topic because when I transfer files via my raspberry pi 5 8GB, after a while it stops responding.
It is server A which initiates the copy to the mount folder of server B which itself is ...
- 53
0
votes
0
answers
14
views
Two cameras on RPi 5 taking the same path
When plugging two RPi cameras v2 in the RPi 5, and using the libcamera-hello --camera 0 -t 5000 command, both that and replacing the 0 with a 1 return the feed from the same camera. Upon checking with ...
- 1
0
votes
0
answers
34
views
Motor, Led and PWM strange behaviour [closed]
OK, I'm deleting the previous post and try to explain my problem hoping it helps finding a solution.
Basically, the problem I'm facing is that trying to control motor speed and LED intensity via PWM ...
0
votes
1
answer
22
views
Build file sharing server with Raspberry Pi Pico + HDD to load files via ethernet cable
I'm in need of creating a server for hosting PlayStation 2 games. I've heard the Pico is able to achieve 10Mbps of transfer speed, and since I need 8Mbps, 10Mbps is more than enough. So my first ...
0
votes
0
answers
15
views
Raspberry PI with a Waveshare UPS (D) and a PICAN-M hat
I have a RPI 4 that i'm using on my boat to run OpenCPN.
On it I have a WaveShare UPS (D) Hat with 2x 21700 batteries. The power connection to the Pi is via POGO pins connecting to the 40 pin header ...
- 101
-1
votes
0
answers
23
views
AA batteries or 9v battery not powering pi pico but USB is powering it perfectly
I have been stuck with this problem for the last 3 days. My pi pico works perfectly when powered through USB. However, when I connect 2AA batteries directly or 4AA batteries or 9v battery with a ...
0
votes
0
answers
11
views
How can I setup an rPi both as Pi-Hole and access point?
I have configured a Raspberry Pi 3 as Pi-Hole and this works great. However, I want to use that same rPi as a wireless access point using hostapd. I have setup everything that my mobile devices find ...
- 273
0
votes
0
answers
12
views
Why are network file transfers extremely slow or completely freeze when Home Assistant is running?
I am running Home Assistant and some home-made utilities on my Raspberry PI 3, and occasionally need to transfer files to it over wi-fi, either downloading from the Pi with wget or similar, or ...
- 111
-1
votes
0
answers
24
views
I cant get my rp 4 with kali installation to connect to my wifi (headless)
i did a headless kali installation on a pi 4 model B 8GB using pi imager, and since kali doesnt support pi imager's custom os settings (eg. ssh, pre configuring wireless networks), i looked up on the ...
- 1
0
votes
1
answer
49
views
Protect Raspberry PI from L298N's power source
I would like to build an RC car and I would like to use a Raspberry PI 4 and an L298N. I attached screenshots how the wiring looks like now.
Everything is working fine, it is working now but I am ...
- 1
0
votes
1
answer
26
views
How to use rgbmatrix and rpi-rf repos
My project is a LED matrix scoreboard. I've got a Raspberry Pi Zero W and an Adafruit RGB Matrix Bonnet.
I'd like to use an MX-RM-5V receiver and 2 radio buttons to change the home and away scores and ...
0
votes
0
answers
16
views
VS Code stopped working with micro-pico extension on all three of my computers and all three Pico W s at same time
all was great until last PM. Programmed in AM with easy modifications of controlling led s , very elementary and all was fine. I ran a couple of old programs and they worked fine before I put the MAC ...
