Compared to the Arduino Uno of old, modern microcontrollers are absolutely tiny — especially for the amount of processing power and I/O you get. But if you need something really small, like ...

This simple feature phone has 4G LTE, a large screen and keypad, and HD Voice. Features include a 2-megapixel camera, music player, memory card slot, 3.5mm audio jack, Bluetooth, Wi-Fi, and a color ...