All Questions
Tagged with raspberry-pi4 python
445 questions
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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 ...
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72
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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 ...
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1
answer
53
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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 ...
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79
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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
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2
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97
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pyautogui is not updating mouse position on Raspberry
I try to get the mouse position on my Raspberry 4. I used pyautogui in the past, which was working fine. But on the Raspberry the mouse position returned by pyautogui is stale.
Other functions on ...
- 13
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49
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ADS1263 python voltage reference
For the code for ADS1263 I wanted to measure with voltage reference 3.3V which comes from Raspberry Pi. How command for this should look like?
The code is
import board
import busio
import ADS1263
...
- 79
1
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answers
19
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rfid card reading is OK but not finished
I have an USB RFID reader (EF4100 125kHz) connected to Raspberry Pi 4 Model B. The RFID reader is act like a keyboard and it read the first 10 digit. When I debugging the code with Thonny. At the &...
- 33
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195
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Virtual environment marked as externally managed environemnt
I know that this error should be raised normally, but I am already working in a virtual environment, where the error should not be raised.
I created and activated a virtual environment on my Raspberry ...
- 23
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76
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Syncing timed camera and LED flash on Raspberry Pi
I have a Raspberry Pi 4 which I have connected to an Arducam 64MP OwlSight Auto-Focus camera (ov64a40) and 2 neopixel jewel LEDs (7 x 5050 RGBW). I need to be able to take a photo every 30 seconds ...
- 1
1
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72
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python code running as a service to record and play audio
i have a python code running as a service on Raspberry Pi 4. The app is basically to record some audio in a certain language using a microphone, save the audio to a .wav file, then use ...
- 11
2
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47
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Playback / recording problems
The code I'm working on gives me some errors. This results in frame lost when recording.
The overview: A video is paused in the first frame. When the motion sensor is detected the video is playing a ...
- 41
3
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272
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Problem installing the rpi-rgb-led-matrix library
I'm creating my first Python program using a Respberry Pi 4 to connect to a 16x32 LED Hub75 board. From what I've researched, this rpi-rgb-led-matrix library is the only one compatible with this board....
1
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2
answers
943
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Building python3.13 with tkinter support on Bullseye on Pi4B
The Bullseye image's python3.9.2 finds tkinter, but I intend to have other versions of python3, all supporting tkinter.
First python3.12.5 was built from source and tried. The python 3.12.5 seems to ...
- 145
1
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0
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40
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yolov5 trained my data set on my laptop how I send it to my Raspberry Pi
I got yolov5 and trained my data set on my laptop now I want to send it to my Raspberry Pi 4b module for work. how I do it
direct copy to raspberry pi but not working
(myenv) h@raspberrypi:~/project/...
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2
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96
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How do I ensure that my Python script and its child processes handle Ctrl-C properly?
System:
A Raspberry Pi-4 running Buster using Python 3.7 with an Adafruit 128x32 2.23" OLED Bonnet connected to the GPIO pins. Ref: https://learn.adafruit.com/adafruit-2-23-monochrome-oled-...
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