Resources:
RP2040datasheet
Raspberry Pi RP2040 Documentation
Programing in Rust the XIAO RP2040 board tutorial
XIAO Reference Design
3D Printing “Case” Studies
PCN-XIAO Series Packaging Upgrade.pdf

XIAO RP2040 Compact Dual-Core Microcontroller | Supports Arduino, MicroPython & CircuitPython Seeed Studio
The XIAO RP2040 is a tiny yet powerful development board built around the Raspberry Pi RP2040 dual-core ARM Cortex-M0+ processor, offering exceptional performance in an ultra-compact 21×17.5 mm form factor. Designed for makers, engineers, and embedded developers, it supports Arduino, MicroPython, and CircuitPython, making it one of the most flexible and beginner-friendly boards in the XIAO family.
With 264KB SRAM and flexible clocking architecture, the XIAO RP2040 enables smooth multitasking and consistent performance for both simple and advanced projects. It includes rich I/O support such as UART, I2C, SPI, PWM, and ADC, allowing seamless integration with sensors, actuators, and peripherals. The board features no components on the backside, making it SMD-reflow compatible and ideal for large-scale production or custom PCB integration. Perfect for wearable electronics, IoT nodes, robotics, education, and rapid prototyping, the XIAO RP2040 combines powerful features with excellent affordability and ease of use.
Key Features

Powered by Raspberry Pi RP2040 ChipDual-core ARM Cortex-M0+ up to 133 MHz with 264 KB SRAM for strong multitasking performance.
Multiple Programming EcosystemsFully supports Arduino, MicroPython, and CircuitPython for maximum development flexibility.
Ultra-Compact Form FactorXIAO series classic size 21×17.5 mm, perfect for tiny devices and wearable applications.
Rich Peripheral InterfacesIncludes UART, I2C, SPI, PWM, and ADCideal for sensors, drivers, haptics, displays, and more.
Breadboard-Friendly & SMD-ReadyPins are layout-friendly for prototyping; backside is component-free for SMT reflow soldering.
Low Power ConsumptionWell-suited for portable and battery-powered systems.
Budget-Friendly & VersatileExcellent choice for education, mass production, and hobby projects.

Hardware Overview

PinOut

Package Content:

Seeed Studio XIAO RP2040x1
7-Pin Header (2.54mm)x2