The Raspberry Pi Pico is both faster and cheaper than the Arduino Nano, but the nano has better resources and community.

Options to power the Arduino Nano include USB, VIN, and 5 volt pin, meaning you have power options for almost any situation.

The power of Espressif’s ESP32-S3 meets Arduino’s unmatched customer experience, documentation and community — all in the compact form factor of the Nano. Provides support for both ...

Arduino Maker Nano RP2040 “Slightly shorter than a Pico, this board has 30 pre-soldered pins, all helpfully labelled on the silkscreen.