The brains of the operation is an STM8S103F module, aka the Blue Pill, which is paired with a DS18B20 temperature sensor. [Tim]’s original coaster has one in a TO-92 package embedded in the top ...

This woodlouse, also known as a pill bug or roly-poly, is demonstrating how the species can roll its armored body into a nearly impenetrable sphere when it’s threatened. This woodlouse, also known as ...