Python • Re: Running python script from PHP - crashes at "import...
I managed to fix this in the end and post what I did here in case it helps others. I decided to test my php script from the command line logged in as my daytoday user first with and without sudo....
View ArticlePython • Re: Simple stepper motor driver with acceleration setting for Rpi5
import gpiodimport timestep_pin = 24dir_pin = 23# use gpiochip4chip_name = 'gpiochip4'try: chip = gpiod.Chip(chip_name) step_line = chip.get_line(step_pin) dir_line = chip.get_line(dir_pin)...
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Python • Re: How to get Python to use a custom library path
You completely miss the point of what Python venvs are for.[. . . .] This has now gone WAY off topic. But hopefully it sheds some light on why some things are the way they are even if it's initially...
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Python • Re: Pi 5 / RC522 / Python for RFID Reading?
works perfect is there a way to use more then 1 Reader on Pi5 with your Code?Statistics: Posted by tinotino — Thu Jul 11, 2024 9:42 am
View ArticlePython • Stepper control via PIO for a dosing device
I need help with programming. Unfortunately, I haven't been able to find any like-minded people in my area (15526 Reichenwalde) with whom I could exchange ideas. At the biblical age of 65, I'm trying...
View ArticlePython • Re: Python script calling VLC on startup fails
I was running into a similar issue but I was trying to play audio at scheduled times not particularly on start-up. I could execute the script from the terminal and successfully play audio via an audio...
View ArticlePython • Re: Best way to run a Python Program
In general, should a relay Keep it's state after the triggering python program runs and closes?It won't usually unless it's a "latching relay" and most aren't.This is one of the reasons to start the...
View ArticlePython • Connecting RPI to RPI via SPI using Python
Hello, I am new to programing with the RPI and Python. I need to connect 2 RPI's to communicate over SPI bus (SPI bus is my special need) to send large data. For some reason i can even pass the...
View ArticlePython • Re: Connecting RPI to RPI via SPI using Python
AFAIAA, the userspace spidev interface is master only - SPI devices have a limited userspace API, supporting basic half-duplex read() and write() access to SPI slave devices..And I don't see anything...
View ArticlePython • printing image in python
Hello,I would like to print an image in python.I have a label color printer. When I try to print by the iamge viewer of the system, everthing works well (just need to select the correct paper type...
View ArticlePython • Re: printing image in python
This post may help viewtopic.php?t=287651Statistics: Posted by DS256 — Wed Jul 17, 2024 1:39 pm
View ArticlePython • cups custom paper size
Hello everyone,I would like to know how to set custom paper size with Cups.My paper size is 50x75mmThanks a lotStatistics: Posted by mchimot — Thu Jul 18, 2024 5:30 am
View ArticlePython • Tkinter & iconphoto
I have a simple python and Tkinter app which displays the CPU temperature. When minimized, the thermometer icon appears on the taskbar when using Bullseye but Bookworm shows a generic icon. This is...
View ArticlePython • Re: cups custom paper size
I don't know the answer to that, but cups documentation has helped me before. Take a look there and see if it has what you need. https://openprinting.github.io/cups/#DOCUMENTATIONStatistics: Posted by...
View ArticlePython • Re: Tkinter & iconphoto
This could be a Wayland problem.Switch to X11 and see if it works there. Open a Terminal window and type :Code: sudo raspi-configThen select Advanced - A6 Wayland then select X11.You will need to...
View ArticlePython • Re: Need help for read numbers from a picture
As the github says# If you don't have tesseract executable in your PATH, include the following:pytesseract.pytesseract.tesseract_cmd = r'<full_path_to_your_tesseract_executable>'Your code seems...
View ArticlePython • gpio library for new projects? is pigpio still the best answer?
several years ago I did quite a lot of messing about with gpo, and I used pigpio, which was a fantastic library which allowed really precise timings and even the use of DMA from memory to drive GPIO...
View ArticlePython • Re: gpio library for new projects? is pigpio still the best answer?
For python have a look at gpiozero (“ which is installed by default in Raspberry Pi OS.”)Also rpi-lgpio (and gpiod)Due to Pi5 having the new I/O chipStatistics: Posted by neilgl — Sat Jul 20, 2024...
View ArticlePython • Re: Debouncing digital inputs, best practices ?
If using the gpiozero Button, you can set bounce_time:https://gpiozero.readthedocs.io/en/stab ... tml#buttonCould you please explain how to add a second parameter using the example quoted in your...
View ArticlePython • Apparent conflict between tkinter and gpiozero
I am trying to combine 2 programs which work correctly individually.I want to be able to use the tkinter GUI to display outputs from gpiozero.However, tkinter and gpiozero both use the Button...
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