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Seeed Studio XIAO RP2040 Microcontroller, with Dual-Core ARM Cortex M0+ Processor, Supports Arduino, MicroPython and CircuitPython with Rich Interfaces.
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Seeed Studio XIAO RP2040 Microcontroller

Bottom line: The Seeed Studio XIAO RP2040 Microcontroller ($10.99 on Amazon as of 2026-10-25 12:24 UTC): Genuine Raspberry Pi RP2040 dual-core Cortex-M0+ up to 133MHz; main trade-off: only 4 analog pins limits heavier sensor projects.

$10.99 on Amazon, checked (price may vary)

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-25. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Genuine Raspberry Pi RP2040 dual-core Cortex-M0+ up to 133MHz
  • ✓ 264KB SRAM plus 2MB onboard flash for bigger sketches
  • ✓ Thumb-sized 20x17.5mm board fits wearables and tight builds
  • ✓ Runs Arduino, MicroPython, and CircuitPython
  • ✓ 11 digital, 4 analog, 11 PWM pins plus I2C, UART, SPI

Cons

  • ✗ Only 4 analog pins limits heavier sensor projects
  • ✗ No onboard WiFi or Bluetooth radio
  • ✗ SWD debugging needs a separate probe via bonding pad
  • ✗ Tiny SMD board is easy to misplace or mishandle

SpecPicks Verdict

SpecPicks scored Seeed Studio XIAO RP2040 Microcontroller using a rating × review-volume × price-fit model applied to published specs and reviews across the single board computers category. seeed studio's single board computers lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for single board computers of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 📌【Powerful MCU】 XIAO RP2040 is a microcontroller using the Raspberry RP2040 chip with 264KB of SRAM, and 2MB of onboard Flash memory. This microcontroller has dual-core ARM Cortex M0+ processor, and it can runs at up to 133MHz.
  • 📌【Multiple Interfaces】 This version of XIAO have 11 digital pins, 4 analog pins, 11 PWM Pins,1 I2C interface, 1 UART interface, 1 SPI interface, 1 SWD Bonding pad interface.
  • 📌【Flexible Compatibility】Support Micropython/Arduino/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.
  • 📌【Broad Compatibility】 Pins compatible with Seeeduino XIAO and supports Seeeduino XIAO's Expansion board.

Full Specifications

Brandseeed studio
CPU Speed133 MHz
Model NameXIAO RP2040
Model Number500230492
Built-In Media/
Mfr Part Number500230492
Processor BrandARM
Processor Count2
Processor Speed133 MHz
Total Usb Ports1
Compatible DevicesSeeeduino XIAO and its Expansion Board
RAM Memory Installed264 KB
Warranty Description/
Wireless Compability802.11b
RAM Memory TechnologySRAM
Connectivity TechnologyI2C
Memory Storage Capacity2 MB
Item Dimensions L x W x H0.79"L x 0.67"W x 0.14"H
Ram Memory Installed Size264 KB
Full listing titleSeeed Studio XIAO RP2040 Microcontroller, with Dual-Core ARM Cortex M0+ Processor, Supports Arduino, MicroPython and CircuitPython with Rich Interfaces.

Hardware benchmark data

Ready to buy?

Seeed Studio XIAO RP2040 Microcontroller, with Dual-Core ARM Cortex M0+ Processor, Supports Arduino, MicroPython and CircuitPython with Rich Interfaces. is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $10.99

*Price sourced from Amazon.com. Last updated 2026-10-25. Price and availability subject to change.

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