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.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
*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
| Brand | seeed studio |
|---|---|
| CPU Speed | 133 MHz |
| Model Name | XIAO RP2040 |
| Model Number | 500230492 |
| Built-In Media | / |
| Mfr Part Number | 500230492 |
| Processor Brand | ARM |
| Processor Count | 2 |
| Processor Speed | 133 MHz |
| Total Usb Ports | 1 |
| Compatible Devices | Seeeduino XIAO and its Expansion Board |
| RAM Memory Installed | 264 KB |
| Warranty Description | / |
| Wireless Compability | 802.11b |
| RAM Memory Technology | SRAM |
| Connectivity Technology | I2C |
| Memory Storage Capacity | 2 MB |
| Item Dimensions L x W x H | 0.79"L x 0.67"W x 0.14"H |
| Ram Memory Installed Size | 264 KB |
| Full listing title | Seeed 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.
*Price sourced from Amazon.com. Last updated 2026-10-25. Price and availability subject to change.
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Retro Handhelds in 2026 — From $35 to $500
- How to Build a Windows 98 Retro PC in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Best 1440p Gaming GPUs in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 Parts List
More reviews from the SpecPicks archive
Browse all reviews →- Qwen3.6 35B-A3B Just Cleared FoodTruck-Bench: What the MoE Sparse Path Means for 12GB Cards
- CompactFlash to IDE Adapter Won't Boot on Windows 98: Troubleshooting Guide 2026
- Best SSD for a PS4 Pro Upgrade in 2026
- Qwen 3.6 vs Frontier Models on a Local Rig: The Honest Gap
- Best Gaming Monitors Under $400 in 2026
- Imaging a vintage IDE hard drive with a USB adapter in 2026
- CompactFlash as a Win98 Boot Drive: The 2026 Setup Guide
- Best 1440p Gaming Monitor for an RTX 3060: ASUS TUF 2K vs KOORUI 4K
- Aider vs Cline vs Continue on a Local Coding Rig (RTX 3060, 2026)
- The Pac-Man Benchmark: Testing Local Agentic Coding AI
- The Adder at the Heart of Intel's 8087 Math Coprocessor
- Jan.ai vs LM Studio vs Ollama: Easiest Local-LLM App for a 12GB Card in 2026
- Microsoft's Copilot Goes Agentic — Run Your Own Agent Locally on an RTX 3060
- Athlon XP + Radeon 9800 Pro AGP Build Guide: 2003 Period-Correct Rig
- VibeThinker-3B Local: 3B Reasoning Model on an RTX 3060 12GB
- RTX 3060 12GB vs RX 6700 XT 12GB for Phi-4 14B (2026)
- Best SSD for Steam Deck and Handheld Gaming Storage Expansion 2026
- Dump and Archive Your Retro PC's IDE Drives in 2026: A USB Adapter Workflow
- Grok 4.5 Ranks #4 on GDPval: Cloud-vs-Local Math for 2026
- Corsair LL120 RGB vs Noctua NH-U12S: Cooling a 5800X for All-Day Gaming
- Can a Local RTX 3060 12GB LLM Debug Linux Boot Like Gemini?
- Voodoo 5 6000 Lab Method: Two Motherboards, One Dead BIOS
- GameSir G7 SE vs DualSense for PC Gaming: Which Controller Wins?
- ASUS TUF 27" 1440p vs Samsung Odyssey G5 32": Best High-Refresh Esports Monitor
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090