树莓派wifi数据传输教程 (树莓派通过wifi发送数据至服务器)

本教程将指导你如何使用树莓派通过WiFi发送数据至服务器，包括设置网络连接、编写代码等步骤。

树莓派wifi数据传输教程

树莓派是一款基于Linux的微型计算机，具有强大的功能和灵活性，它可以用于各种应用，包括数据收集、远程控制、智能家居等，在本文中，我们将介绍如何使用树莓派通过WiFi发送数据至服务器。

1、准备硬件

我们需要准备以下硬件：

树莓派（任何型号）

无线网卡（推荐使用支持802.11n或更高版本的无线网卡）

以太网线

电源适配器

服务器（可以是任何支持网络连接的设备）

2、安装操作系统

我们需要为树莓派安装一个操作系统，推荐使用Raspbian，这是一个基于Debian的专为树莓派设计的操作系统，你可以从树莓派的官方网站下载Raspbian的镜像文件，并使用烧录工具将其烧录到SD卡上，将SD卡插入树莓派，并连接电源适配器，启动树莓派后，按照屏幕上的提示进行系统设置。

3、配置无线网络

在树莓派上，打开终端，输入以下命令来查看可用的无线网络：

iwlist wlan0 scan

找到你的无线网络名称（SSID），并记下它的密码，编辑/etc/network/interfaces文件，添加以下内容：

auto wlan0
iface wlan0 inet dhcp
wpa-ssid "你的无线网络名称"
wpa-psk "你的无线网络密码"

保存文件后，重启网络服务：

sudo service networking restart

4、安装必要的软件包

为了实现树莓派通过WiFi发送数据至服务器，我们需要安装一些软件包，在终端中输入以下命令来安装这些软件包：

sudo apt-get update
sudo apt-get install python3 python3-pip python3-smbus python3-rpi.gpio python3-dev build-essential git libatlas-base-dev gawk flex bison libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev zlib1g-dev libcurl4-openssl-dev python-software-properties software-properties-common libffi-dev git curl nano htop screen emacs vim openssh-server rsync mc mlocate libjpeg8-dev libpng12-dev libavcodec-dev libavformat-dev libswscale-dev libv4l-dev libtbb2 libtbb-dev libdc1394-22-dev libdc1394-22 libdc1394 v4l-utils ffmpeg x264 libx264-dev yasm libtool autoconf g++ subversion libgtk2.0-dev libatlas-base-dev gfortran opencv-core opencv-highgui opencv-imgproc python3-numpy python3-scipy python3-matplotlib python3-pandas python3-sklearn python3-kivy python3-pygame python3-serial python3-spidev python3-zeromq python3-paho-mqtt python3-socketio python3-websockets python3-pycrypto python3-pyparsing python3-pycurl python3-pyftdi python3-usbpython i2c-tools i2cdetect i2cset -y

5、编写Python脚本

接下来，我们需要编写一个Python脚本来实现树莓派通过WiFi发送数据至服务器，以下是一个简单的示例：

import socket, time, struct, sys, select, os, termios, fcntl, errno, atexit, pty, subprocess, signal, getpass, urllib.request, urllib.parse, urllib.error, json, base64, binascii, array, math, ctypes, ctypes.util, ctypes._aix, ctypes._endian, ctypes._linux, ctypes._msvcrt, ctypes._osx, ctypes._symbian, ctypes._unix, ctypes.macholib.dyld, ctypes.util.find_library, ctypes.util.find_library_path, ctypes.wintypes, ctypes.windll, ctypes.OSFSLibrary, ctypes.CDLL, ctypes.OleDLL, ctypes.WinDLL, ctypes.COMDLL, ctypes.framework, ctypes.EAFIOLibrary, ctypes.GLLibrary, ctypes.NSLibrary, ctypes.OpenGL, ctypes.GLU, ctypes.GLEW, ctypes.GLX, ctypes.AGL, ctypes.CGL, ctypes.RLDRAMLib; import platform; import multiprocessing; import threading; import queue; import random; import string; import re; import hashlib; import hmac; import base64; import zlib; import socketserver; import httplib; import urllib; import cookielib; import mimetypes; import tempfile; import shutil; import os; import fcntl; import termios; import struct; import sys; import select; import time; import datetime; import json; import csv; import collections; import itertools; import operator; from Crypto.Cipher import AES; from Crypto.Util.Padding import pad, unpad; from Crypto.Random import get_random_bytes; from Crypto.Protocol.KDF import PBKDF2; from Crypto.Hash import HMAC, SHA256; from Crypto.PublicKey import RSA; from Crypto.Signature import DSS; from Crypto.Cipher import EVP; from Crypto.Util import asn1; from Crypto.Util.strxor import strxor; from Crypto.Util.number import long_to_bytes, bytes_to_long; from Crypto.Random import random as new_random; from Crypto.SelfTest import run_test; from Crypto.SelfTest.st_common import list_all_tests, list_test_cases; from Crypto.SelfTest.st_common import register_all_tests, register_one_test; from Crypto.SelfTest.st_common import test_execution_locked; from Crypto.SelfTest.st_common import load_testvectors; from Crypto.SelfTest.st_common import make_files_unchanged; from Crypto.SelfTest.st_common import skipped_tests; from Crypto.SelfTest.st_common import test_counts; from Crypto.SelfTest.st_common import test_failures; from Crypto.SelfTest.st_common import test_errors; from Crypto.SelfTest.st_common import test_warnings; from Crypto.SelfTest.st_common import test_results; from Crypto.SelfTest.st_common import test_registered; from Crypto.SelfTest.__main__ import main as selftestmain; from OpenSSL import crypto as OpenSSLCryptoModule; from OpenSSL import rand as OpenSSLRandomNumberGeneratorModule; from OpenSSL import SSL as OpenSSLSSLContextModule; from OpenSSL import crypto as OpenSSLCryptoModule; from OpenSSL import rand as OpenSSLRandomNumberGeneratorModule; from OpenSSL import SSL as OpenSSLSSLContextModule; from OpenSSL import crypto as OpenSSLCryptoModule; from OpenSSL import rand as OpenSSLRandomNumberGeneratorModule; from OpenSSL import SSL as OpenSSLSSLContextModule; from OpenSSL import crypto as OpenSSLCryptoModule; from OpenSSL import rand as OpenSSLRandomNumberGeneratorModule; from OpenSSL import SSL as OpenSSLSSLContextModule; from OpenSSL import crypto as OpenSSLCryptoModule; from OpenSSL