Raspberry Pi - Wikipedia
en.wikipedia.org › wiki › Raspberry_PiRaspberry Pi Pico. Raspberry Pi Pico was released in January 2021 with a retail price of $4. It was Raspberry Pi's first board based upon a single microcontroller chip; the RP2040, which was designed by Raspberry Pi in the UK. The Pico has 264 KB of RAM and 2 MB of flash memory.