raspberry pi gpio python library

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Python calls OpenCV to implement camera motion detection [Raspberry Pi]

motion #counterlastuploaded =timestamp Motioncounter=0#Otherwise, the hostel is not occupied Else: Motioncounter=0#Check to see if the frames should is displayed to screen ifconf["Show_video"]: #Display the security feedCv2.imshow ("Security Feed", frame) key= Cv2.waitkey (1) 0xFF#if the ' Q ' key is pressed, break from the Lop ifKey = = Ord ("Q"): Break #clear the stream in preparation for the next frameRawcapture.truncate (0)Conf.json{ "Sh

Simple WEB Control of Raspberry Pi using Python

This article describes how to use Python to easily implement Raspberry Pi's WEB control. If you need it, you can refer to it to show you the effect. I feel very satisfied. Please continue to read the full text: Knowledge used: Python Bottle HTML Javascript JQuery Bootstrap AJAX, of course, linux I'm going, so many ...... Let me start ...... First paste the fin

Compiling and installing a new version of Python on a Raspberry Pi

Raspiban wheezy is pre-installed Python3 is 3.2.3, this tutorial lets you upgrade to 3.4.1 (currently the latest version).I used a B-plus Raspberry Pi, which was released in 2014-06-20 by Raspbian Wheezy.The entire Raspbian system is upgraded to the latest, and may require a reboot after the upgrade.1 sudo Update 2 sudo upgradeLet's do it in the home directory of the current user, go to this directoryCD ~th

Raspberry Pi Platform 4-bit common yin digital tube python programming

Beginner Python , try to change the program that was previously written in C on the Raspberry Pi. Python version of the. Four-bit common yin digital tube and Raspberry Pi Circuit connection method is as follows:A ~ p--------------

Using Python to implement auto-re-attach instances of Raspberry Pi WiFi disconnection (code attached)

Realize the WiFi disconnection automatically, the principle is to use Python to monitor whether the network is disconnected, if the disconnection will restart the network service. Next to everyone to share the implementation of code, need to refer to the friend 1.Python code autowifi.py, placed in the/HOME/PI directory: #!/usr/bin/pythonimportos, Time whiletru

Deploying a python flask environment using Raspberry Pi

Recently began to learn Python, the teacher let the deployment of the Python environment, deployed on the x86 platform is no pressure, think can not be a set of Raspberry Pi. Because using the Raspbian system and Debian is almost a problem when installing Mysql-python. Now r

Raspberry Pi +python+pyserial 2.7 for serial communication

The hand has a CCD Camera (Barcode reader/scanner Module), it is through RS232 communication, with the RS232 to the USB adapter to connect the Raspberry Pi, you can complete the hardware connection. For serial communication, it can be realized by pyserial.First, install Pyserial:Download the latest version of the installation package from Https://pypi.python.org/pypi/pyserial and complete the installation w

Example of python getting GY-85 9-axis module information in Raspberry Pi

The content of this article is Raspberry Pi python get GY-85 nine axis module information example, here using Python curses package development cli window program, used to refresh the sensor reading in real time, see the code first GY-85.py: The code is as follows: #! /Usr/bin/python3#-*-

Raspberry Pi Build Dialogue robot Python

/text2audio?tex= Open success lan=zhcuid=b8-27-eb-ba-24-14ctp=1tok=" +tok+"per=3" OS.System' mpg123 '%s '%url) elif' Pause '. Encode ("Utf-8") in Info:url ="http://tsn.baidu.com/text2audio?tex= begins to pause lan=zhcuid=b8-27-eb-ba-24-14ctp=1tok=" +tok+"per=3" OS.system ( ' mpg123 "%s" %url) time. sleep (10) url = " per=3 "OS. system ( ' mpg123 "%s" %url) continue else:tex = turling.tuling (info) url = Yuyinhecheng.yuyinhecheng_api (Tok,tex) OS. system ( ' mpg123 "%s" %url) time. sleep (0. 5)

Raspberry PI writes the Python script to the service and sets the boot up

1#!/bin/Bash2#/etc/init.d/service_name3 4 # # # BEGIN INIT INFO5 # Provides:provider6# required-Start: $remote _fs $syslog7# required-Stop: $remote _fs $syslog8# Default-start:2 3 4 59# Default-stop:0 1 6Ten# short-description:example Initscript One # Description:this Service is a test A # # # END INIT INFO - - the Case " $" inch - start) - Echo "starting service_name" -cd/home/Pi + suPi-c"pyth

Raspberry Pi writes a few simple programs in Python 5: Send images with a socket

) data=numpy.array ( Imgencode) stringdata=data.tostring () sock.send ( str (Len (StringData)). Ljust (+)) sock.send (stringData); ret,frame=capture.read () #decimg =cv2.imdecode (data,1) #cv2. Imshow (' CLIENT ', decimg) ifcv2.waitkey () == 27:breaksock.close () Cv2.destroyalLwindows () The following problem occurs in the debugging process, the general IP is wrong, to change the ' 127.0.0.1 ' to the server-side IP,Traceback (most recent):File "client.py", line A, in Sock.connect ((TCP_IP, Tcp

Raspberry Pi and Python

2017.5.16Serialization in Python saves a documentPython has a module pickle, which has a similar effect to the Java serialization class:1 Pickle.dump (content,file), storing content in its original format in file;2 Pickle.load (f), import the contents of F in the original serialized format.TestImport PickleA=[' A ', (2,true, ' B '), {' Gzx ': ' ZJJ '}]B=[[' A ', False], (2,true), {' Zjj ': ' Gzx '},[1,2,3]]F=open (' Test ', ' W ')Pickle.dump (A,F)Pick

Duanxx's Beaglebone Learning: Installing a Gpio python library

First step: Upgrade DTC Comiler ro enable SPIWget-c https://raw.githubusercontent.com/RobertCNelson/tools/master/pkgs/dtc.shchmod +x dtc.sh./dtc.shReference URL: Https://learn.adafruit.com/introduction-to-the-beaglebone-black-device-tree/compiling-an-overlayStep Two: Install Adafruit ' s beaglebone IO Python Librarysudo ntpdate pool.ntp.orgsudo apt-get updatesudo apt-get install build-essential python-dev

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