[ad_1] At its heart, the phone is based on a custom ATmega2560v mainboard, Adafruit Fona 3G cellular equipment and a rotary dial from a Western Electric Trimline phone, all stuffed into a 3D-printed casing. You won’t have to endure 1960s-era limitations, though. A flexible 2.1-inch e-paper display can show missed calls and other vital messages, […]