The flag-waving mechanism is designed in Fusion 360 and 3D printed using white filament. Inside a little square box is a Wemos D1 Mini, powered by a lithium battery scavenged from a vape pen ...

Protestors in Los Angeles are using Mexican flags as a symbol of resistance against the Trump administration’s immigration crackdown, drawing ire from key members of the administration.

Images of Los Angeles protesters waving Mexican flags have gone viral in conservative circles this week. Many protesters say they are aware of the political reaction but won’t put their flags away.