1,388 questions
-2
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0
answers
40
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I2C communication issue between Raspberry Pi 4 and ATtiny1627
I’m trying to communicate a Raspberry Pi 4 with an ATtiny1627 microcontroller via I2C. When I run the command sudo i2cdetect -y 1 on the Raspberry Pi, it correctly detects the ATtiny1627 and shows its ...
0
votes
0
answers
20
views
Start up .service issues on Raspberry Pi4 running LED function embedded in a larger script, but not the rest of the script
I am trying to get a .service file to run on start up, I have an LED function to ensure it is running, the led function runs on start up but the other raspberry pis are not receiving my connection. Im ...
2
votes
1
answer
109
views
google-api-python-client random timeout error
I have project that involves taking a picture every one hour with a Raspberry and saving it to Google Drive. I'm using the google-api-python-client to connect to a Google Drive and apscheduler to ...
- 23
0
votes
0
answers
31
views
Lorawan Gateway Gateway Offline in ChirpStack Web UI After Connecting to Local MQTT Broker
I have configured a ChirpStack LoRaWAN setup using a Raspberry Pi and a Seeed WM1302 gateway module. Initially, the LoRaWAN packets were successfully received and verified in the ChirpStack Web UI.
To ...
0
votes
1
answer
27
views
Python Script will not run in crontab -e and script has errors Missing X server or $DISPLAY
I have a Raspberry Pi 4 that I use at different locations to run a digital display. I use this script to run at reboot so that I don't have to determine the IP address each time and just start ...
1
vote
1
answer
99
views
std::cout problems with specific german characters ( Ä, Ö, Ü )
I currently work on a project on a Raspberry Pi using c++. I have problems streaming german special characters to the terminal. I wrote a logger::log() function and use it inside a classmethod.
If I ...
- 137
0
votes
0
answers
12
views
Problems with using VisPy to visualize the orientation of an IMU sensor, with RaspberryPi 4B
I have a project where I need to visualize the orientation of an IMU sensor as a 3D cube using VisPy, however, I keep getting the OSError: [Errno 5] Input/output error. I had another code using ...
0
votes
0
answers
72
views
how to send a can bus message with 2 seconds between spaces in python-can
I want to be able to send a message on canbus one with 2 seconds between them
have tried some python can examples with the same result
can send and receive with python-can code
now I don't know if I'm ...
1
vote
0
answers
32
views
Installation of FIWARE Orion Context Broker (OCB) in Raspberry Pi model 4 (RP4)
The instructions at
https://github.com/telefonicaid/fiware-orion/blob/master/docker/raspberry_pi.md
have allowed us to install the OCB and mongoDB on a raspbery pi 4, although we have had to modify ...
0
votes
0
answers
65
views
Error use touch scroll on display for Raspberry pi 4
I'm using a raspberry pi 4 with display. I have enabled touch but I can't use the scroll to scroll.
I tried to add this file with this information but I continue to have this problem despite having ...
0
votes
0
answers
30
views
'Illegal Instruction' when trying to run a .ELF file on Raspberry PI 4 [duplicate]
I have been trying to assemble some simple ARM 64 bit assembly for my Raspberry Pi 4, and it returns the message 'Illegal instruction' when i try to run the .elf file. I am accessing the Pi through ...
- 3
0
votes
1
answer
53
views
Background threads stoping
i have a python application, that contains functions to be called by interval.
def call_repeatedly(interval, func, *args, **kwargs):
stopped = threading.Event()
lock = threading.Lock() # Lock ...
0
votes
0
answers
23
views
raspberry pi 4 tkinter full screen is bloked keyboard and mouse doesnt respond after booting
raspberry pi4 i was coding a basic screen with a label on center with tkinter that goes full screen, with escape to close the screen, then switch label width to 1000 and text wrap (something like that ...
0
votes
0
answers
27
views
RuntimeError: Could not determine platform
I am using the following tutorial to make a pressure monitor sensor using a Raspberry Pi 4: https://www.rototron.info/raspberry-pi-analog-water-sensor-tutorial/ (scroll down towards the bottom for the ...
- 103
0
votes
0
answers
78
views
Bluepy scan for devices and connect to them
My task is to search for some devices with Bluetooth with a Raspberry PI 4B and to connect to send some commands and disconnect. For this, I started using bluepy package and I was able to do the two ...
- 762