GitHeld/RPi3-Auto-WiFi.md

Forked from carry0987/RPi3-Auto-WiFi.md

Created July 7, 2024 19:40

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Raspberry Pi 3B+ Auto reconnect to wifi when lost connect

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RPi3-auto-wifi.md

Auto reconnect to wifi when lost connect

1. Python Script

Named autowifi.py and then put it to /home/pi folder

#!/usr/bin/python
import os, time

while True:
    if '192' not in os.popen('sudo wpa_cli status').read():
        print '\n****** wifi is down, restart... ******\n'
        os.system('sudo ifup wlan0')
    time.sleep(300) #5 minutes

2. Shell Script

Named autowifi.sh and then put it to /home/pi folder

#!/bin/sh
python /home/pi/autowifi.py &

3. Set Autorun

sudo cp -f /home/pi/autowifi.sh /etc/init.d/

sudo chmod +x /etc/init.d/autowifi.sh

sudo chown root:root /etc/init.d/autowifi.sh

sudo update-rc.d autowifi.sh defaults

4. Demo Screenshot

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