Non-cardboard parts include threaded rod for the lead screws, servos modified for continuous rotation, an Arduino, and the aforementioned paperclips, which find use in the user interface ...

With their cheap price tags, massive I/O provisions, and low power consumption, microcontrollers like the uber-popular ...

What do you get when you cross cardboard, deodorant rollers ... At its heart is an Arduino UNO, which syncs the RGB LED ‘bubbles’ and a servo-driven aiming arm to the game’s real-time ...