seeed studio
XIAO nRF52840 3PCS Pack - NFC, Onboard Bluetooth5.0 Antenna, Supporting Arduino, MicroPython, CircuitPython, tinyGo, Zephyr, Meshtastic, Amazon Sidewalk, QMK, ZMK
*Price sourced from Amazon.com. Last updated 2026-08-01. Price and availability subject to change.
Bottom line: The XIAO nRF52840 3PCS Pack - NFC, Onboard Bluetooth5.0 Antenna, Supporting Arduino, MicroPython, CircuitPython, tinyGo, Zephyr, Meshtastic, Amazon Sidewalk, QMK, ZMK is a niche pick — read recent reviews before buying in the emulation hardware category, priced around $35.99. Read recent reviews carefully before committing.
SpecPicks Verdict
SpecPicks classifies XIAO nRF52840 3PCS Pack - NFC, Onboard Bluetooth5.0 Antenna… as a niche pick — read recent reviews before buying in the emulation hardware category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. seeed studio's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for emulation hardware 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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by seeed studio's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Versatile Microcontroller: Incorporate the Nordic nRF52840 chip with FPU, operating up to 64 MHz, mounted multiple development ports
- Embracing Open Source: As an open source hardware, it also supports popular projects of Arduino / CircuitPython / Micropython / tinyGo / Zephyr / Meshtastic / Amazon Sidewalk / QMK / ZMK / ThingSpeak
- Wireless Capabilities: Implement Bluetooth 5.0, BLE functions with onboard antenna, also provide NFC connectivity
- Elaborate Power Design: Provide ultra-low power consumption as 5μA in deep sleep mode while supporting lithium battery charge management
- Thumb-Sized Design: 21 x 17.5mm, Seeed Studio XIAO series classic form-factor, suitable for wearable devices
- Perfect for Production: Breadboard-friendly with Surface-Mounted SMD design, no components on the back
Full Specifications
| Brand | seeed studio |
|---|---|
| CPU Model | Core M Family |
| CPU Speed | 0.06 GHz |
| Model Name | XIAO nRF52840 |
| Unit Count | 3.0 Count |
| Connectivity | Bluetooth |
| Built-In Media | / |
| Connection Type | Wireless |
| Processor Brand | Nordic |
| Processor Count | 1 |
| Processor Speed | 0.06 GHz |
| Total Usb Ports | 6 |
| Compatible Devices | Computer, Arduino, Raspberry Pi, Sensors, Display |
| Thumb-Sized Design | 21 x 17.5mm, Seeed Studio XIAO series classic form-factor, suitable for wearable devices |
Ready to buy?
XIAO nRF52840 3PCS Pack - NFC, Onboard Bluetooth5.0 Antenna, Supporting Arduino, MicroPython, CircuitPython, tinyGo, Zephyr, Meshtastic, Amazon Sidewalk, QMK, ZMK is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-08-01. Price and availability subject to change.
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