kandi X-RAY | PiFace Summary
kandi X-RAY | PiFace Summary
PiFace
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of PiFace
PiFace Key Features
PiFace Examples and Code Snippets
Community Discussions
Trending Discussions on PiFace
QUESTION
I have a list of sound files like below
...ANSWER
Answered 2018-Mar-28 at 09:20The standard module os.path
has everything you need to manipulate filepath. os.path.basename(filename)
does what you need.
QUESTION
I'm trying to register a button push so each time the event is set, a message is sent via my websocket.
...ANSWER
Answered 2018-May-02 at 11:41Give a function that takes no arguments and calls self.sendEventPushed(websocket,path)
, e.g.:
QUESTION
I have a Raspberry pi and using Python I've wrote a GUI to control a fan using PWM and to work out the RPM from the fans pulsed output. The GUI has a label at the top, buttons to select different duty cycles, an LED logo indicator to display which button is selected, buttons to 'STOP FAN', 'Exit', 'Display RPM'.
I start the fan using the 'Start Fan' button. I can then select different duty cycles. When I click the 'Display RPM' button the label at the top of the GUI displays the RPM(with a lot of numbers after the decimal place), it is just a quick snapshot of the RPM. My code runs ok.
My question is this. How do I get the label to constantly display the changing RPM? I would like to remove the 'Display RPM' button and just have the label display the live changing RPM all the time. I have googled for help for several hours and have tried 'after', 'function calls', etc. But i can't seem to grasp what I need to do or where in the code it should go.
Many thanks in advance for your time and help. The code might not be the best I know but I'm learning. I'll happily accept any suggestions on how to improve it.
...ANSWER
Answered 2017-Jul-02 at 21:05You already have a function that gets the current RPM. The simplest thing is to update the label right there:
QUESTION
I have a question. I have a Raspberry Pi connected to PiFace Relay Plus and PiFace Motor Extra. Is it possible to run two or more motors at the same time?
I have no problem with running one motor:
...ANSWER
Answered 2017-Jan-18 at 19:16Are you getting any error when running the program? Looking at the source code of pifacerelayplus, it is INTENDED to fail if you give two motor commands within 0.15 seconds, on the grounds that the startup surge of two motors at once is likely to be more than your power supply can handle. A couple of short sleep()s should avoid this issue.
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No vulnerabilities reported
Install PiFace
You can use PiFace like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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