Notes on setting up Raspberry Pi 3 as WiFi hotspot Security Boulevard https://www. raspberrypi .org/documentation/configuration/wireless/access-point.md. I'm using the RPi-3-B and not the RPi-3-B+, and the latest version of Raspbian at the time of this writing, “Raspbian Stretch Lite 2018-3-13”

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Notes on setting up Raspberry Pi 3 as WiFi hotspot – Security Boulevard