Impressive effort by the reporters: "The AirBeam reports data through a phone app, but we wanted a fallback, so we connected the AirBeam to a tiny Raspberry Pi

Impressive effort by the reporters: "The AirBeam reports data through a phone app, but we wanted a fallback, so we connected the AirBeam to a tiny Raspberry Pi computer. We modified open-source software to control the AirBeam and download measurements to the Pi every few seconds. We also had to add a clock module to the Pi to keep more precise track of time."