All Questions
1,619 questions
0
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9
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How to create a playlist in LibreELEC 12.0.1
I want to create a playlist in Kodi. However, in the tutorials there is often a "normal playlist", which does not exist. If I try to use the a smart playlist this always stays empty.
I want ...
- 11
0
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0
answers
42
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Errno 121: Remote I/O Error Problem. 'ADS 1x15'. After successful implementation of 2 Years
I am using ADS1X15 library to read analog data from ADC-1115 adc conver ter. I was successfully using this library as well as module for atleast 2 years.
Now the Python through the error [Errno 121] ...
0
votes
1
answer
42
views
Raspberry Pi 2 Model B v1.1 missing piece
I recently posted asking for help troubleshooting my Raspberry Pi 2 Model B v1.1, which appears to be "bricked." After some investigation, I believe I may have found the issue, but I need ...
0
votes
1
answer
34
views
Troubleshooting Raspberry Pi 2 Model B with Solid PWR and ACT LEDs
I have two Raspberry Pi 2 Model B v1.1 units. The first unit, which I will refer to as the "working" one, has a flickering GREEN ACT LED (but no lit RED PWR LED), indicating that it operates ...
0
votes
2
answers
56
views
What type of power supply can I safely utilize with my Raspberry Pi 2B?
What types of power supplies can I utilize with my Raspberry Pi 2B? My understanding is that most recommend at least 5 V. Can I provide it with more volts than 5? Or would that destroy the device?
As ...
0
votes
0
answers
23
views
SIP error after power loss
I was in the process of updating SIP when I lost power. Now running SIP gives this error:
pi@raspberrypisip:~/SIP $ sudo python3 sip.py
Traceback (most recent call last):
File "sip.py", ...
0
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0
answers
91
views
For Baremetal Raspberry Pi Zero 2W, how can I use GPIO pins?
I did find the Megathread on RPI forums
https://forums.raspberrypi.com/viewtopic.php?f=72&t=72260
and many tutorials but I can't seem to make them work
I wanted to follow this tutorial, https://...
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0
answers
22
views
SSH from iPhone into RPi 2B on the go
I have a RPi 2B and Zero W. When I’m on the go I want to ssh into the 2B but I have no WiFi adapter. So I thought I can connect the 2B and the Zero using a Ethernet cable and adapter (for the Zero). ...
- 1
0
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0
answers
20
views
Sending Drone Object Location via XBee with Raspberry Pi and GPS
I’m working on a project where I have a drone that have a Raspberry Pi equipped with a camera, GPS and XBee modules. right now I’m making the drone get the location of an object when it recognize one ...
- 1
0
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0
answers
20
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How do I find my SSID for LAN on my raspberry pi 2?
-Raspberry pi 2
-Trying to install a 3dprinting OS
-needs SSID for LAN
How should I find this?
0
votes
1
answer
160
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 ...
- 157
0
votes
0
answers
60
views
Failed building wheel for av of OctoPrint-CrealityCloud-With-Video plugin
i've installed the OctoPrint-CrealityCloud-With-Video package inside a RPi 2B based on octopi-1.0.0-1.9.3-20231009154319.
When i install it from the Plugin Manager i faced this issue and the plugin ...
- 1
0
votes
0
answers
90
views
Using a Raspberry Pi as a Remote Screen for Windows
My current screen setup in windows consists of my Laptop screen and a HDMI screen.
Since I have extra screens laying around, I wanted to know if I can use my PI to connect to a monitor remotely (hdmi ...
1
vote
1
answer
202
views
Is there any chance to update an extremely old rmpi system to a specific version?
I have a software image file that is used for running system on raspberry pi model B and ~50 microcomputers that are running on it right now. I need to somehow update this old pile of rust to a ...
0
votes
1
answer
141
views
MPC output problem on Headphone output
I have a misconfiguration of my MPD daemon on Raspbian Buster with Raspberry PI 2B.
Alsa is configured as follows:
pi@Wecker:~ $ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: b1 [...
-1
votes
1
answer
68
views
ttyAMA0 serial port error
I'm trying to get gps data through ttyAMA0 serial port.
Sometimes I could get gps data but I also get errors such as OSError Error11 resource unavailability.
It used to be working but I get errors ...
0
votes
0
answers
88
views
camera stopped working on rpi2 with buster, device is not detected, hardware has been checked
raspistill -o image.jpg returns
mmal: Cannot read camera info, keeping the defaults for OV5647
mmal: mmal_vc_component_create: failed to create component 'vc.ril.camera' (1:ENOMEM)
mmal: ...
- 109
0
votes
0
answers
73
views
How is it made that NIC has name eth0 not usb0?
Raspberry Pi network card is internally a USB card. Why then it has name eth0 and not usb0?
I need to find a code, which is responsible for this.
I am simulating Raspberry Pi with QEMU and having a ...
- 175
0
votes
1
answer
216
views
why raspberry pi got two 5v pins? [closed]
If I understand it correctly: the two 5v pins are inner connected, so what's the purpose to design two 5v pins, please share a scenario that requires to use both 5v pins, thanks
- 101
1
vote
1
answer
292
views
How to program remotely on horribly slow Pi-2
I have an old RPi 2 B which I've loaded the latest version of Raspberry Pi OS Lite onto. I'd like to use it to make an IoT device using an TFT LCD screen to show information like the weather and my ...
- 113
0
votes
0
answers
48
views
How to Read Result from Two Different USB Ports and Differentiate Them
I have a project where I control to access door with a Raspberry Pi. I want to connect two USB RFID readers to the Raspberry Pi. based on the read from each one, it will open a specific door. Right ...
- 1
-1
votes
1
answer
230
views
How to install Ubuntu server to Raspberry Pi 2 using BTRFS?
I would like to install a Ubuntu server to my Raspi 2's SD CARD, but using btrfs file system.
The preinstalled Ubuntu images do not help in this case, how would you do this?
- 1
1
vote
1
answer
197
views
SPI loaded but MOSI as input
I wrote a script to display data on a led matrix, controlled by a few GPIO for line selection and SPI to feed data for this line. This was working perfectly 2 days ago, I let the script display random ...
- 11
1
vote
0
answers
111
views
How to wire SIM900A SP+ and SP- with Raspberry Pi to record incoming call
I have a "Raspberry Pi (2 Model B rev 1.1)" wired with "SIM900A using a "USB to TTL module". Send/recv SMS, make/accept/hang calls functionalities are working as expected ...
- 21
1
vote
0
answers
26
views
power failure - 2b1.1
a few weeks ago, my pi 2b failed to detect usb wireless adapter.
yesterday, red power indicator flashed sporadically, but booted.
today, it failed to boot.
checked connections, tried different ...
- 11
2
votes
2
answers
83
views
Pi 2 getting incredibly hot
My raspberry pi 2 CPU is getting burning hot, even when just starting up. It first wouldn't display aswell, but I rewrote the 32 bit os onto the SD card and now it does display.
But it still is ...
- 21
2
votes
1
answer
83
views
Raspberry Pi undervoltage strange issues
So I have an old Rpi2 B, and I was getting an undervoltage error trying to run OctoPrint on an old bundled PSU.
I swapped for a 5V/4A PSU with the same error, I only have the power supply and an ...
- 21
3
votes
0
answers
77
views
RPI(2) Bare Metal: does GPU support text mode and what is the default video mode?
I'm struggling with trying to find any information about text-mode capability in Raspberry Pi. I'm reading about decompression, 3d, etc. fancy features but I'd like to learn about fundamentals:
Is ...
- 131
1
vote
0
answers
117
views
Interfacing Saitek Megamaster MX-530 with Raspberry Pi
I found out an old Saitek Megamaster MX-530 joystick that I used to play games on old Pentium machine with Win XP. I've tried to used on modern system buying midi/game port converter (25 pin) to USB ...
- 11
1
vote
1
answer
2k
views
Looping video on startup
I have keyboard and screen connected to my raspberry pi. I want to try running a video on a loop on startup (I do not want to install desktop environment to do so). In the past I have successfully ...
- 111
0
votes
1
answer
184
views
How to detect if SD card is corrupted using metadata Checksum?
I have enabled metadata checksum in my Rpi 2 using this. Is there any way to use this metadata checksum to detect if the sd card is corrupted?
- 1
2
votes
2
answers
8k
views
No Wireless Interface Found when using wifi adapter TL-WN725N
I have a problem, I'm using a wifi adapter
TL-WN725N. On the display when scanning, it says "No Wireless Interfaces Found".
I've used the solution from the website: https://gist.github.com/...
- 21
0
votes
1
answer
344
views
(raspberry pi 4) instead of pip install all the function (like pandas and json), but we can still use them in script import
system: raspberry pi 4 model B, 32bit, linux run python
Is a dumb question, I was planning to read data from MongoDB to excel' and also read excel toMongoDB'. Overall the .py scrip/code is fine and ...
- 143
-1
votes
1
answer
204
views
How can I connect a dht11 that uses digital input while also using an ADC converter and the SPI bus
The source code I have below works for a two analog voltages(water level detection and temperature sensor). The code is set right now for just these two to run and it does work. If there is a problem ...
- 7
1
vote
1
answer
157
views
Accidentally deleted important files from MELOPERO RP2040
I am a beginner in this field... I was trying to edit files from VS Code and I accidentally deleted all the files from my MELOPERO Cookie RP2040 and I cannot access it anymore... Can anyone help me?
...
- 21
0
votes
0
answers
23
views
Possible to connect non-local rasberri pis to create mesh network?
Hello I am new to Raspberry Pi's and need to use them for my school project. Each of my group members were given one raspberry pi from the school, and we wanted to make a mesh network with them for ...
- 1
0
votes
0
answers
382
views
Install Mediapipe for Raspberry Pi 2B
I'm a high schooler looking to use the cvzone module, which requires mediapipe, for my project. However, I'm getting errors in importing and I wanted to know if it is even possible to download ...
- 1
0
votes
1
answer
514
views
How is Ubuntu "64-bit ARM" offered for Pi 2?
Canonical offers Ubuntu for "64-bit ARM" and gives "Pi 2" as an example of a compatible platform. Raspberrypi.com says the Pi 2 is "32 bit".
How does that work?
- 172
0
votes
1
answer
310
views
32 bit Ubuntu Server 22.04 LTS lower GPU Memory
I have a raspberry pi 2 with ubuntu sever installed and need to know how to lower the gpu settings from 64 megs to 16 megs.
Ubuntu Server does not come with raspi-config installed.
- 1
0
votes
1
answer
140
views
Raspberry pi 4 is not booting with Disk image that is working on Raspberry pi2
I am new to this project. The project was developed in 2015 using Raspberry pi2 and a 7' touch display. The disk image works perfectly on Raspberry pi 2. I tried to flash the disk image to an SD card ...
- 1
1
vote
0
answers
163
views
RPi 2 GPIO UART can send data to Teensy, but can't receive
I am trying to send data between RPi 2 (model B) and Teensy 3.2 using the GPIO on the Pi (GPIO 14 and 15) and Serial2 on the Teensy (pins 9 and 10).
The problem is, I can only send data from the Pi to ...
- 19
1
vote
0
answers
163
views
Raspberry Pi 2 model B HDMI no signal
I have a problem with my Raspberry Pi 2 Model B. It has Retropie installed and it used to work fine. Now my display says "no signal".
What I tried after some research:
Different cables and ...
- 11
1
vote
1
answer
61
views
Problem turning on Raspberry Pi 2b
I have a Raspberry Pi 2b that I have trouble turning on
1_When I insert the SD card containing the operating system into the Raspberry Pi and connect it to the adapter, sometimes the green light turns ...
1
vote
0
answers
547
views
How can I control a Cambridge Audio CXA81 amplifier using its "IR IN" input?
I would like to control the volume on my CXA81 from a Raspberry Pi.
I already use a Serial HAT to send control codes to the amplifier. However, unfortunately, the volume may only be controlled using ...
- 113
0
votes
1
answer
344
views
Talking to MAX31865 from Raspberry Pi using Serial Peripheral Interface
I am trying to talk to the MAX31865 board from a Raspberry Pi over SPI but am not getting the results I'd expect. Can someone with more SPI experience take a look at my setup and point to what I may ...
0
votes
0
answers
154
views
Raspberry Pi 2, repair hardware damage
I bought two damaged Raspberry Pi 2s. Both don't boot regardless of the SD cards content (SD card is working in different Raspberry Pi). Both LEDs are steadily on.
The previous owner told me that the ...
- 1
1
vote
2
answers
128
views
Transferring files from raspberry pi 3 Model B+ to raspberry pi zero v1
I have a raspberry pi zero v1 and a raspberry pi model 3 B+. The second one has some testing files i want to transfer to the first one.
Right now i’m ssh’ed into both raspberry pi’s (I’ll call them rp’...
0
votes
2
answers
586
views
How can I switch windows (BringToFront) by code?
I'm running Raspbian Pi2 v11 (bullseye), in the GUI, and I have two full-screen applications running (one of them is a web browser). But I need to switch the visible application via code; I'm looking ...
- 101
2
votes
2
answers
13k
views
Can the Raspberry Pi 4 do h265 encoding?
I would like to know if the Raspberry Pi 4 can do H265/HEVC Encoding at all. I am not bothered if it can't do it in real time as I would like to run jobs for encoding the video in the background, ...
-1
votes
1
answer
912
views
Raspberry Pi Raspbian switching Multiple Desktops by application
I'm running Raspbian Pi v11 (bullseye), and I'm booting into the GUI. I'd like to set up two desktops that will run a single full-screen app on each (example: one is a web browser). And then via my ...
- 101