The Seeed Studio XIAO RP2040 is a microcontroller using the Raspberry Pi RP2040 chip. The MCU runs at up to 133MHz.It is built with rich interfaces in a tiny thumb size and fully supports Arduino, MicroPython, and CircuitPython. The on-board interfaces are enough for developing multiple applications.

Powerful MCU- Powered by RP2040 chip features high performance, low cost. and small package
High Performance- Dual-core ARM Cortex M0+ processor, flexible clock running up to 133 MHz, breezes through integer workloads
Rich on-chip resources- 264KB of SRAM, and 2MB of on-board Flash memory
Flexible I/O allows it to communicate with almost any external device
Flexible compatibility- Support Arduino / Micropython / CircuitPython
Easy project operation- Breadboard-friendly & SMD design, no components on the back
Small size- As small as a thumb(20x17.5mm) for wearable devices and small projects
Multiple interfaces- 11 digital pins, 4 analog pins, 11 PWM Pins,1 I2C interface, 1 UART interface, 1 SPI interface, 1 SWD Bonding pad interface
Low Cost- ease the barrier to entry