RP2040 - Wikipedia
Waveshare RP2040-Tiny DevBoard, RP2040 Based - RobotShop
Waveshare Nano Base Board (C) for RPi CM4, Onboard 8MP Camera - RobotShop
Waveshare Sensor Kit Compatible with Raspberry Pi Pico A Low-Cost High-Performance Microcontroller Board with Flexible Digital Interfaces Incorporates RP2040 Microcontroller Chip(19 Items) : : Electronics
Entry-Level Sensor Kit - for Raspberry Pi Pico - Waveshare 24004 Botland - Robotic Shop
Raspberry-Pi-Pico-Basic-Kit - Waveshare Wiki
868MHz 915MHz LoRa Module Breakout Shield HAT With Battery Starter Kit for RPI Raspberry Pi PICO W WH RP2040 Development Board - AliExpress
GeeekPi Raspberry Pi Pico W Ultimate Kit with India
Pico-2CH-RS485 - module with UART-RS485 converter for Raspberry Pi Pico - Kamami on-line store
Audio Expansion Board Sound Card Module Breakout HAT Speaker Starter Kit for RPI Raspberry Pi PICO W WH RP2040 Accessories - AliExpress
Waveshare 1.14inch LCD Module for Raspberry Pi Pico 240x135 (65K Colours)
Power Management HAT (B) - power management module for Raspberry Pi - Kamami on-line store
Waveshare 19693 Raspberry-Pi-Pico-Basic-Kit, 32,90 € - Welectron