The Raspberry Pi Foundation has enabled Bluetooth 5.2 support for the Pico W, a tiny board based around the RP2040 microcontroller. The Foundation has bundled into the latest MicroPython build, with Bluetooth support now merged upstream into the official MicroPython repo.
Getting Started with Raspberry Pi Pico W using MicroPython
Raspberry Pi Pico W gets Bluetooth support in SDK 1.5.0 - CNX Software
New RP2040 Raspberry Pi Pico W Board with 2.4G WiFi Micro Dual-Core 264KB ARM Microcomputers High-Performance Cortex-M0+ Process - AliExpress
Raspberry Pi Pico W - Raspberry Pi RP2040 chip, Wi-Fi & Bluetooth 5.2 Supported, Beginner-Friendly microcontroller, Small & Flexible Design : Electronics
Raspberry Pi Pico W Development Board Raspberry Pi Pico Wireless
New functionality: Bluetooth for Pico W - Raspberry Pi
The Raspberry Pi Pico is a beginner-friendly microcontroller board that uses MicroPython to give you a taste of the Internet of Things and
Raspberry Pi Pico Development Board, Raspberry Pi RP2040 Dual-core ARM Cortex M0+ Processor, Running Up to 133 MHz, Support C/C++/Python, 2MB Quad SPI
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Getting Started with Raspberry Pi Pico W using MicroPython
Raspberry Pi Pico W Gets Official Bluetooth Support
How to Program Raspberry Pi Pico with Arduino IDE - Electropeak
ELECFREAKS Raspberry Pi Pico W
Raspberry Pi Pico W Overview, Features and Specs - Tutorial Australia