Space Engineer Justine Haupt’s DIY Rotary Cell Phone

In an attempt to remedy the harm of an always-on lifestyle, Brookhaven National Laboratory astronomy instrumentation engineer Justine Haupt stripped a mobile phone down to its essentials in order to assemble her handheld rotary cellphone. For the DIY invention, three years in the making, Haupt paired a rotary mechanism from an old Trimline telephone with a microcontroller and Adafruit Fona 3G cell transceiver. She then …