The term originates from the 1999 film “The Matrix,” where the lead character is offered a choice between a red pill and a blue pill. The red pill symbolizes awakening to harsh realities ...

When it’s too hot, the red LEDs are lit ... s tea has gone cold, the blue LEDs take center stage. The brains of the operation is an STM8S103F module, aka the Blue Pill, which is paired with ...