Python • Re: openCV moveWindow won't Move
I have a similar issue, placing multiple windows on a screen, coming from two process threads. Sometimes the windows position as intended, sometime some windows are just placed in the center. The...
View ArticlePython • Unable to inherit system packages
Code: python -m venv --system-site-packages env Gives me all the system modulesCode: arandr 0.1.11asgiref 3.6.0astroid 2.14.2asttokens 2.2.1av 10.0.0Babel 2.10.3beautifulsoup4 4.11.2blinker 1.5certifi...
View ArticlePython • Re: Unable to inherit system packages
Well, you never showed us if the venv is activated or not.The correct syntax is Code: # create a venv with whatever version of Python you want to use$ python -m venv env --system-site-packages#...
View ArticlePython • No sound using Pygame
Hey all, long time lurker, first time poster...I am running a Rpi 3b+, with Bookworm 32bit installed. I am trying to use Pygame to play a simple MP3.Code: import pygame output_file = "Hello.mp3"try:...
View ArticlePython • Re: No sound using Pygame
No mention of how you are selecting analogue audio!I found the following, tested on Bookworm 64bit with a Pi4. May need to use 'alsamixer' from a terminal window to increase volume.Basically finding...
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Python • GraphvizFiddle.py
graphviz is a cool software for automatic layout of graphs given their descriptions only:https://graphviz.org/Years ago somebody did compile graphviz to JavaScript using emscripten.I used that to...
View ArticlePython • Re: Datetime Code Not Working
TypeError: send_command() takes 1 positional argument but 3 were given. Code: send_command("Export2: Filename=/home/pi/raspberrypi/", current_time, ".mp3")Seems to me you need to turn those three...
View ArticlePython • Pi Day
All,In celebration of Pi Day, I have released the following program.https://gitlab.com/JohnMarkMobley/pi.pyThe program calculates the value of pi.I wrote it in Python, and ran it on a Raspberry Pi...
View ArticlePython • GPIO.wait_for_edge >>> RuntimeError: Error waiting for edge
New to this forum. Please let know if my post is in the wrog place.This code worked in an older RPi OS.I looked on this forum and couldn't find any working solutions.Here's the python as executed. Any...
View ArticlePython • Re: GPIO.wait_for_edge >>> RuntimeError: Error waiting for...
Are you using a Pi5 or Pi4 or other?Statistics: Posted by neilgl — Thu Mar 14, 2024 8:44 pm
View ArticlePython • DMA interrupt
Hello everyone,I am modifying the arbitrary waveform generator example on Raspberry Pico described in this link:https://www.instructables.com/Arbitrary ... ry-Pi-Pic/The program is written in...
View ArticlePython • pulse counting with python
Hello thereI have in the garden a Raspberry for charging a battery with a solarpanel, the Raspberry does also measure temp, RH and airpressure and sends this to a cloud.Now I want also measure the...
View ArticlePython • Re: pulse counting with python
Of course quite simple!just look what I did roughtly 10 years ago to get speed of a stationary cycle.viewtopic.php?t=119476&hilit=cycle#p812499Statistics: Posted by danjperron — Fri Mar 15, 2024...
View ArticlePython • Re: Bookworm & Python library hell
Did that solve dependency in virtual environments? especially if python version is different from system (3.11) in raspberry pi.Statistics: Posted by bmadhekar — Fri Mar 15, 2024 11:14 pm
View ArticlePython • Re: Pi Day
I watched this video 2 years ago, and then created this program from it. It uses also Newton–Raphson method for finding root. The Discovery That Transformed PiVeritasium...
View ArticlePython • EOFError from input( )
Howdy Folks: I have a (reduced) code snippet here to keep polling user input from a process:Code: import serialport = serial.Serial( INSERT_PORT_HERE, baudrate=19200, timeout=0 )while True : try : x =...
View ArticlePython • Autostart multiple python programs, each in own terminal window.
I have a raspberry pi that I only use for running two small HAM radio related programs. I want each program to start up automatically whenever power is cycled on the pi - each in their own terminal. I...
View ArticlePython • Re: EOFError from input( )
If I stirp it back further to:Code: while True : try : x = input() print(x) except KeyboardInterrupt : breakIt runs fine in an interactive session but fails with that error when run in a situation...
View ArticlePython • Re: Autostart multiple python programs, each in own terminal window.
In theory having two .desktop files e.g script1.desktop and script2.desktop should be fine though you may need to chnage the value in each for Name=.For alternative methods, see Running A Program At...
View ArticlePython • Re: How Do I Open Audacity With Python?
Any way of making this work on start up? I tried this and it didn't work. Any way to do it? Should I change something or...Statistics: Posted by Henrik Gill — Sun Mar 17, 2024 9:38 pm
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