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5 views

How do I install Plasma 5.19 on a raspberry pi while keeping Raspbian?

I'm trying to do some develepment on kde, and for that I need the latest version. I can't upgrade to another OS. I've tried adding new deb sources and it just dumps a whole lot of errors to the ...
0
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0answers
16 views

PI4 - no boot from usb3 samsung t5

The steps I have done is: Update/upgrade to the latest Raspberry Pi OS (sudo apt update && sudo apt upgrade-full) Update the eeprom firmware (rpi-eeprom-update) Clone the SD card using /...
0
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1answer
15 views

Disable USB driver on RPi Zero W

I am using a Raspberry Pi Zero W running Raspberry Pi OS (32-bit) Lite (Aug 2020). This is an IoT project where, I have a USB modem that makes my internet connection. When the modem is powered on it ...
0
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0answers
6 views

Kivy popup with incorrect graphics

I could not find anything related so I posted the same question on stackexchange to reach a wider range of experts on the matter. On Raspberry Pi4 with Raspbian GNU/Linux 10 (buster) I have Kivy setup ...
0
votes
1answer
16 views

Odd results when using RPi.GPIO's event_detected() function

I've recently been experimenting with RPi.GPIO's event_detected() function, to check if a button (connected to the gpio) has been presssed. However, for some reason events would randomly be detected. ...
0
votes
1answer
22 views

How can I use a GPIO input pin for a 12v circuit?

I want to know with the raspberry pi if the button is clicked. I want ot use the button of the GPIOZERO python library. The power plug is a 12v power plug. Can this circuit work? (I'm a beginner.) ...
0
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0answers
14 views

Connect a Vandal Switch with Raspberry-Pi and register an Input/Output with a click

I want to connect a Vandal Switch(CPS) with an Raspberry Pi, there i want to register via an Python program when the Button is Pressed and change the Led light from blue to Red. How i connected the ...
0
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0answers
10 views

Rotating the display causing low fps

I've been working on a project that uses a 1200x1920 display but in the landscape format and it's certainly been one heck of a journey. I've edited the config file hundreds of times in dozens of ...
0
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1answer
17 views

Python only saves last picture taken

I am new to programming with Python and the Raspberry Pi, and for my first project i wanted to play the official "Push button stop motion" code from the official raspberry pi camera guide (...
0
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0answers
9 views

No sound with Jitsi Meet and ALSA

For a project I'm using a Raspberry Pi with ALSA. ALSA is configured and speaker-test provides me audio output. However, when I open Jitsi Meet in Chromium, there is no sound. When I open YouTube in ...
0
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0answers
14 views

Can iOS and Android camera-apps run on a Raspberry Pi with the new HQ Camera?

I am new to the Raspberry Pi scene. I am a hobbyist "mobile filmmaker." That just means that in my spare time I like to write and shoot short "films" using only mobile phone video ...
1
vote
1answer
25 views

How to build an Android app on Raspberry pi?

As you may know, the Android development system is available for the Raspberry Pi from the Debian project here: https://packages.debian.org/buster/android-sdk However, they do not include Android ...
0
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0answers
7 views

FPV receiver UVC on raspberry

i want to put this FPV receiver in a raspberry pi 3 but it do not show when i tipped lsusb, maybe due to lack of voltage? how can i do? Thanks
0
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1answer
14 views

Connect Android smartphone with Wi-Fi Direct to a Raspberry Pi

It is no problem to connect my Android Smartphone with Wi-Fi Direct to the printer at my home and print documents. But how can I use Wi-Fi Direct to connect the phone to a Raspberry Pi without a ...
1
vote
0answers
13 views

Memory leak using php with dio to read /dev/ttyAMA0

I am using my Raspberry Pi 2 (buster, php 7.4.10) to communicate with an inverter in a small solar system. All the code is functional but it tends to crash/exit after a few hours. Looking at task ...
1
vote
1answer
25 views

How to emulate Raspberry Pi in QEMU?

A few years ago, people were saying they were able to emulate a Raspberry Pi 2 or 3 in QEMU. However as of late 2020, I am unable to do so. Can anyone let me know what the correct command line ...
0
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0answers
18 views

Cannot uninstall wrapt 1.10.11

I am trying to install Tensorflow 2.3 on the raspberry pi 4 2GB using this guide (https://itnext.io/installing-tensorflow-2-3-0-for-raspberry-pi3-4-debian-buster-11447cb31fc4) but I keep getting the ...
0
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0answers
19 views

MariaDB connector [closed]

I'm new to databases and have some very basic how-to/where-to questions: I have successfully setup a MariaDB + phpmyadmin on my raspberrypi zero (running the latest diet-pi), including a database ...
0
votes
1answer
27 views

How to read a string from a file and advertise as a beacon?

I am using Raspberry Pi to advertise a string stored in a text file on Desktop. I am very new to the concepts of GATT services and characteristics and reading the BlueZ documentation caused me ...
0
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0answers
23 views

Pi not reachable from W10 computer for a while after resuming W10 from sleep or cold start

After I resume my Windows 10 laptop from a sleepy state (or after rebooting), it can't reach one of my Raspberry Pi computers for some time. IMAP doesn't work, no ping, nothing. After a while (5-10 ...
0
votes
2answers
38 views

How to use Raspberry Pi as server for python sockets without port forwarding

I know similar questions have been asked many times in many different forms before, but I couldn't find any that suited my needs. I recently made a connect-four game in python, and I thought it would ...
0
votes
1answer
26 views

How can I access my raspberry pi following a WiFi SSID name change?

I was experiencing issues with my broadband so was advised by support to perform a hard reset. Unfortunately this also reset my custom SSID which I believe has cut WiFi connection for my Raspberry Pi ...
-1
votes
1answer
24 views

unable to establish connection via ssh [closed]

I'm not able to connect to my raspberry pi via ssh likely after wrong password. What can I do to remove the administrator ban? Here is what it prompts: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@...
0
votes
1answer
29 views

USB drive is not visible

I mounted an Ext3 USB drive using fstab. It works, but I have one issue. Sometimes when I turn on the system, the drive is not visible. I can not find it in mnt, media or in the desktop. It does not ...
-1
votes
0answers
14 views

Raspi for TV audio

i wanted to use my rpi as wifi speaker for my Samsung TV. I have a stereo speaker setup with an old amp (only analog inputs). To use them as tv speaker, i connected a DAC, which takes the optical out ...
0
votes
0answers
20 views

How to configure the Pi to automatically sync its time with the first android device that connects to it

I have a Raspberry Pi that has no access to internet. It is configured as an access point that I can connect to using my smartphone or tablet. Time on the Raspberry Pi is never correct after booting ...
0
votes
0answers
12 views

Mail server docker container for Raspberry Pi?

Does there exist a low maintenance mail server for Arm configured as a Docker container? I no doubt could set one up by hand but I really have better things to do with my time, and I'm lazy :-)
0
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0answers
21 views

Raspberry Pi integrating into existing touch screen

I have a car headunit which is touch screen and it has RCA AV input option. I've connected a raspberry pi using a HDMI to RCA convertor. The raspberry pi shows up on the screen. I want to run OpenAuto ...
0
votes
1answer
23 views

Reaching my Pi with MDNS (Avahi)

I want to ssh into my Pi and I can do it right now with the ip address of the Pi. But I want to do it using mDNS. I want to connect using ssh raspberrypi.local. I read that this should work. on the pi,...
1
vote
1answer
35 views

Raspberry 4, send Email from commandline

I have created a crontab for automatic backups of a SQL database and WWW data. Now I would like to have the result of the crontab automatically sent to me by email. Result of the crontab are created ...
0
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0answers
11 views

OpenOCD samd51 SWD programming

I have hooked up my pi to a SAMD51 regarding this guide. I have also powered the samd51 according to the datasheet which can be found here. When I enter sudo openocd, it only shows me this: Open On-...
-1
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0answers
12 views

RaspberryPi WIFI keep disconnecting [duplicate]

My RPI Zero w is not stable, I'm facing some problems with the wifi. :( I configured the wpa_supplicant in headless way, but the wifi connection keeps disconnecting. it takes 1-2 minutes to ...
0
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0answers
11 views

PiCamera.iso and PiCamera.exposure_mode in Different Scene Conditions (Brightness Level)

I have read the PiCamera documentation (refer to 3.5 here) that for low light scenes, higher iso is more desirable and vice versa. I am currently experimenting between two scenes of different ...
-1
votes
0answers
34 views

RaspberryPi WIFI is not stable

I'm working with Raspberry Pi Zero W, on a project and I'm facing some problems with the WiFi. The Raspberry Pi Zero W should get the WiFi creds from the user after opening a hotspot and local server, ...
0
votes
1answer
30 views

why frequency output is not constant?

[![I uploaded piscope image and same time output image also for better understanding of issues][1]][1]I am using sample code of Pypi from "http://abyz.co.uk/rpi/pigpio/python.html" to detect ...
-1
votes
0answers
17 views

Raspberry Pi 3 B warms up to much [closed]

I have run FT8 digi mode on following setup: OS HamPi Raspberry Pi 3 B JTDX I get a sign on the screen that informs me that the Raspberry is getting to warm! 73 Alf OH6IH
0
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0answers
19 views

Wiring RPi with both a DHT 22 sensor and a fan set in slow cooling mode and getting data

I want to connect both a fan, set in slow cooling mode, and a DHT22 sensor to my RPi. My wirings: fan in cooling mode: power wire: connected to pin 17 ground wire: connected to pin 20 and it works ...
1
vote
0answers
9 views

`xinput` command not being applied from ~/.config/lxsession/LXDE-pi/autostart

My ~/.config/lxsession/LXDE-pi/autostart file has the following contents: @lxpanel --profile LXDE-pi @pcmanfm --desktop --profile LXDE-pi @xscreensaver -no-splash @xrandr --output HDMI-1 --rotate ...
0
votes
0answers
41 views

SSH not working with raspberry pi zero (non-W model) when using Ethernet Gadget

I tried nearly every guide out there to set up Ethernet Gadget. Pinging raspberrypi.local doesn't work: ssh: Could not resolve hostname raspberrypi.local: Name or service not known And yes, i do have ...
0
votes
1answer
18 views

Bluetooth connection between Android smartphone and Raspberry Pi fails

A Bluetooth connection with a fresh flashed Raspberry Pi OS should work out of the box, at least with a Media audio profile. I can pair the smartphone and the RasPi but I cannot connect using ...
0
votes
0answers
15 views

raspberry pi as an iscsi controller [closed]

I can put all the separate pieces together by hand: connect a hard drive to the rpi set up partitions on the hard drive setup some iscsi service to use those partitions set up the rpi to connect to a ...
2
votes
1answer
19 views

How do I read the cpuid in aarch64 asm?

In armv7 / 32bit mode I can read the cpuid using uint32_t arm_cpuid; __asm__("mrc p15, 0, %0, c0, c0, 0" : "=r"(arm_cpuid)); This gives 0x410FD034 for RPi3 and 0x410FD083 ...
0
votes
0answers
17 views

Gravity TDS to Raspberry with ADC

I have Raspberry pi, and need to calculate ppm of a liquid. I'm using this as my tds: Here is the Schema, Dimension, and Datasheet1, and Datasheet2, with Sample code But it somehow needs an ADC, so I ...
0
votes
1answer
25 views

Log into VNC as ROOT rather than pi

I am doing some hardware development and I need to run my apps as root to access the low level hardware on my pi 4. I do my development over VNC and the default VNC user is 'pi' rather than root. ...
0
votes
0answers
29 views

How to connect raspberry pi Zero (non-W) to internet through usb cable?

The model i have doesn't support wifi (don't have the wifi adapter) as it's the non-W model. I managed to once do tethering with a usb cable, but I forgot how i did it (it was a while ago and i never ...
1
vote
1answer
33 views

Pi Zero with RS-485 interface operated inside breaker panel crashes

Setup I am operating an Raspberry Pi Zero inside a distribution board. The pi is powered via usb using a din rail power supply and it connected to an usb-rs485-adapter to get modbus data from a smart ...
0
votes
1answer
17 views

python modual problem with terminal

I have written this program in python: print("CC ACTIVATED") import lcddriver import time import subprocess from datetime import datetime from pydub import AudioSegment from pydub.playback ...
-2
votes
1answer
22 views

My rpi is not detecting my sense hat

pi@raspberrypi:~ $ sudo i2cdetect -y 1 0 1 2 3 4 5 6 7 8 9 a b c d e f 00: -- -- -- -- -- -- -- -- -- -- -- -- -- 10: -- -- -- -- -- -- -- -- -- -- -- -- 1c -- -- -- 20: ...
2
votes
2answers
32 views

Unable to edit cronjob, /tmp is read-only

I am trying to make my raspberry pi automatically restart every week. But I am unable to create the cronjob as I get a error message that the temporary crontab file was unable to be created. /home/pi $...
0
votes
1answer
58 views

DHT 11 - Sensor with Raspberry Pi

OK, This is a little frustrating as I am JUST trying to get the temperature/Humidity readings on my DHT 11 sensor with Raspberry pi 4 and I am unable to do so. Please see below https://www....

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