Wifi / WLan Projects

Wi­Fi Connected Locker Access System

Problem Statement Senior Design teams at Iowa State store their projects in the Senior Design lab in lockers secured by padlocks. These locks are reused semester after semester and previous students may remember their locker combination for the sake of tampering with current student’s projects. Additionally, administrators have the maintenance overhead of manually assigning lockers …

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PiFi SLAM

Objective Our goal was to solve the simultaneous localization and mapping (SLAM) problem by using WiFi measurements. Specifically we wanted to implement this paper, where they solved SLAM through a Graph SLAM formulation with WiFi signal strength and movement data from an IMU. Due to the constraints of graph SLAM, data would first be collected, and then …

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Raspberry Pi VPN Travel Router

I. Introduction Even the basic features of consumer devices often require an internet connection as mobileoperating systems shift to cloud-hosted platforms for services like photo storage, messaging,video playback, etc. While the expansion of mobile data networks has helped to provide “alwayson” connections for these devices, users are consuming more and more data at an unanticipatedrate. …

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CONFIGURING HOSTAPD ON RASPBERRY PI

The daemon hostapd is a Linux service which enables  a “host” computer to become a WiFi Access Point (AP).     Thus  “host” + “AP” + “d”  (for daemon) gives the name hostapd. I originally learned to set up hostapd from  instructions on Pastebin written by user Dryfire117,1 andlater found useful instructions on the Raspberry Pi website.2 The process originally involved …

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Network Adapter in Monitoring Mode – Rasp Pi 3B

Overview The Raspberry Pi 3B+ (and all other current Raspberry Pis) has built in WiFi. The “wlan0” interface is typically the default gateway of connection besides Ethernet, but it is not capable of entering “monitoring mode”. In this tutorial, we will show you how to ensure a separate network adapter is capable of monitoring mode …

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