bradlinder, 4 months ago to random

This DIY "Breadboard Phone" combines a Sparkfun LTE Stick ($150) with a microcontroller, antennas, audio hardware and a keypad to create something... unusual? Impractical? Still kind of cool? https://www.sparkfun.com/news/9414 #SparkfunLTEStick #BreadboardPhone #DIYPhone