Basically @DrAzzy has made some neat little breakout boards that have the pins in an order that allows you to just put the board right next door to a Pico on some breadboard.
Even so, you don't need much though - just RX, TX, GND and 3.3v
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
There's some info here: https://github.com/espruino/EspruinoDocs/blob/master/devices/RN2483.md (it'll be public on the main website at some point)
Basically @DrAzzy has made some neat little breakout boards that have the pins in an order that allows you to just put the board right next door to a Pico on some breadboard.
Even so, you don't need much though - just RX, TX, GND and 3.3v