RPI Wireless Hotspot

Configures a Raspberry Pi (built-in or USB WiFi) as a WPA-encrypted hotspot that shares an Ethernet WAN — useful in hotels, dorms, or when you do not want a separate router.

Source

• harryallerston/RPI-Wireless-Hotspot

Features

• Hotspot starts on boot
• WPA encryption (default SSID RaspberryPiFi, key 0123456789A — change during install)
• Pi keeps normal LAN behavior on Ethernet
• Optional custom DNS (including unblock-us presets)
• Chromecast-friendly DNS interception when using unblock-us

Requirements

• Raspberry Pi B series or Pi 3+
• WiFi adapter with nl80211 / hostapd support (most modern adapters)
• Active Ethernet uplink

Install

git clone https://github.com/harryallerston/RPI-Wireless-Hotspot.git
cd RPI-Wireless-Hotspot
sudo ./install

Follow prompts for DNS and Chromecast options. Existing configs are backed up with .old suffix.

Configuration notes

• WiFi channel: /etc/hostapd/hostapd.conf
• Tested on fresh Raspbian; existing installs may need manual merge

Related

• Raspberry Pi Hotspot