Raspberry Pi Announces $4 "Pico" Microcontroller with Custom Chip, Collaborations with Arduino, Adafruit, and Others

Raspberry Pi is synonymous with low-cost computing through their credit-card-sized boards, which have sold millions of units since launching in 2012. Over that time there have been size and shape modifications, with the A, B, Zero, and compute modules (as well as the brand new “400” …