--- product_id: 663605942 title: "XIAO nRF52840 3PCS Pack - NFC, Onboard Bluetooth5.0 Antenna, Supporting Arduino, MicroPython, CircuitPython, tinyGo, Zephyr, Meshtastic, Amazon Sidewalk, QMK, ZMK" brand: "seeed studio" price: "€ 67.22" currency: EUR in_stock: true reviews_count: 4 url: https://www.desertcart.sk/products/663605942-xiao-nrf52840-3pcs-pack-nfc-onboard-bluetooth5-0-antenna-supporting store_origin: SK region: Slovakia --- # 64 MHz FPU-powered CPU Bluetooth 5.0 + NFC onboard Ultra-low 5μA deep sleep power XIAO nRF52840 3PCS Pack - NFC, Onboard Bluetooth5.0 Antenna, Supporting Arduino, MicroPython, CircuitPython, tinyGo, Zephyr, Meshtastic, Amazon Sidewalk, QMK, ZMK **Brand:** seeed studio **Price:** € 67.22 **Availability:** ✅ In Stock ## Summary > 🚀 Tiny Tech, Massive Impact: Power Your Next-Gen Innovations Today! ## Quick Answers - **What is this?** XIAO nRF52840 3PCS Pack - NFC, Onboard Bluetooth5.0 Antenna, Supporting Arduino, MicroPython, CircuitPython, tinyGo, Zephyr, Meshtastic, Amazon Sidewalk, QMK, ZMK by seeed studio - **How much does it cost?** € 67.22 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/663605942-xiao-nrf52840-3pcs-pack-nfc-onboard-bluetooth5-0-antenna-supporting) ## Best For - seeed studio enthusiasts ## Why This Product - Trusted seeed studio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Open Source Freedom:** Supports Arduino, MicroPython, CircuitPython, tinyGo, Zephyr, Meshtastic, QMK, ZMK, and Amazon Sidewalk for limitless innovation. - • **Battery-Friendly Design:** Ultra-low power consumption at just 5μA in deep sleep mode with integrated lithium battery charge management—perfect for wearables and IoT. - • **Seamless Wireless Connectivity:** Built-in Bluetooth 5.0 and NFC antenna ensure your projects stay connected with cutting-edge speed and reliability. - • **Ready for Production & Prototyping:** Compact 21 x 17.5mm form factor with breadboard-friendly SMD design, no back components—engineered for smooth integration and scalability. - • **Powerhouse Performance in a Thumb-Sized Package:** Harness the Nordic nRF52840 chip with a blazing 64 MHz CPU and floating-point unit for seamless multitasking and precision. ## Overview The XIAO nRF52840 3PCS Pack features a Nordic nRF52840 microcontroller running at 64 MHz with FPU, integrated Bluetooth 5.0 and NFC connectivity, and ultra-low power consumption (5μA in deep sleep). Its compact 21 x 17.5mm design supports multiple open-source platforms including Arduino, MicroPython, and Zephyr, making it ideal for wearable devices, IoT projects, and scalable production. With breadboard-friendly SMD layout and lithium battery charge management, it’s a versatile powerhouse for professional developers and makers alike. ## Description Seeed Studio has been a leading Open Hardware company since 2008, empowering half a million direct users to create real-world digital solutions. Through relentless efforts and earned trust, our ever-growing product lines now form around emerging AI scenarios: is a series of software services developed by Seeed Studio Edge computing to push intelligence to new frontiers Seeed Studio provide industrial-ready modules and devices, and open up the capability of prototype, produce, and promote as Fusion service. We have an excellent R&D team that constantly upgrades and improves our products, and an after-sales service team that provides quick support. Seeed's solutions excel in their rapid deployment capabilities within the real-world AIoT sector, including Asset Tracking, Smart Building, Smart City, and Agriculture desertcart Sidewalk is a secure wireless community network that uses desertcart Sidewalk Gateways (also called Sidewalk Bridges), such as compatible desertcart Echo and Ring devices, to provide cloud connectivity for IoT endpoint devices. desertcart Sidewalk enables low-bandwidth and long-range connectivity at home and beyond using Bluetooth Low Energy for short-distance communication and LoRa and FSK radio protocols at 900MHz frequencies to cover longer distances. The XIAO nRF52840 is a wireless module qualified for desertcart Sidewalk, providing IoT device connectivity via Bluetooth Low Energy radio technology on desertcart Sidewalk network. XIAO nRF52840 XIAO nRF52840 3PCS Pack nRF52840 (Pre-Soldered) XIAO nRF52840 Sense nRF52840 Sense 3PCS Pack 52840 Sense Pre-Soldered ## 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 / desertcart 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 ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0DJ6NZVJT | | Best Sellers Rank | #55 in Single Board Computers (Computers & Accessories) | | Brand | seeed studio | | Built In Media | / | | Compatible Devices | Computer, Arduino, Raspberry Pi, Sensors, Display | | Connectivity Technology | Bluetooth 5.0, NFC | | Cpu Model | Core M Family | | Customer Reviews | 4.7 4.7 out of 5 stars (11) 4.7 out of 5 stars | | Manufacturer | seeed studio | | Model Name | XIAO nRF52840 | | Operating System | Arduino, CircuitPython, MicroPython, tinyGo, Zephyr, Meshtastic | | Processor Brand | Nordic | | Processor Count | 1 | | Processor Speed | 0.06 GHz | | Ram Memory Technology | LPDDR4 | | Smart Home Compatibility | Not Smart Home Compatible | | Total Usb Ports | 6 | | Unit Count | 3.0 Count | | Warranty Description | 2 Year | | Wireless Compability | Bluetooth | ## Product Details - **Brand:** seeed studio - **Model Name:** XIAO nRF52840 - **CPU Model:** Core M Family - **CPU Speed:** 0.06 GHz - **Connectivity Technology:** Bluetooth 5.0, NFC ## Images ![XIAO nRF52840 3PCS Pack - NFC, Onboard Bluetooth5.0 Antenna, Supporting Arduino, MicroPython, CircuitPython, tinyGo, Zephyr, Meshtastic, Amazon Sidewalk, QMK, ZMK - Image 1](https://m.media-amazon.com/images/I/51gJGOgqzWL.jpg) ![XIAO nRF52840 3PCS Pack - NFC, Onboard Bluetooth5.0 Antenna, Supporting Arduino, MicroPython, CircuitPython, tinyGo, Zephyr, Meshtastic, Amazon Sidewalk, QMK, ZMK - Image 2](https://m.media-amazon.com/images/I/510mQhR7ZcL.jpg) ![XIAO nRF52840 3PCS Pack - NFC, Onboard Bluetooth5.0 Antenna, Supporting Arduino, MicroPython, CircuitPython, tinyGo, Zephyr, Meshtastic, Amazon Sidewalk, QMK, ZMK - Image 3](https://m.media-amazon.com/images/I/517Rg5xV8aL.jpg) ![XIAO nRF52840 3PCS Pack - NFC, Onboard Bluetooth5.0 Antenna, Supporting Arduino, MicroPython, CircuitPython, tinyGo, Zephyr, Meshtastic, Amazon Sidewalk, QMK, ZMK - Image 4](https://m.media-amazon.com/images/I/61+te6r-X+L.jpg) ![XIAO nRF52840 3PCS Pack - NFC, Onboard Bluetooth5.0 Antenna, Supporting Arduino, MicroPython, CircuitPython, tinyGo, Zephyr, Meshtastic, Amazon Sidewalk, QMK, ZMK - Image 5](https://m.media-amazon.com/images/I/51aStTVhQKL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent *by on Reviewed in the United States June 1, 2026* Excellent ### ⭐⭐⭐⭐⭐ arduino ide and lith batteries *by on Reviewed in the United States October 12, 2025* use a jst female cable to solder in to battery first then connect to battery. too easy to crater if you’re letting a noob engineer work on the soldering. i tested with arduino IDE ### ⭐⭐⭐⭐⭐ Excellent *by on Reviewed in the United States September 2, 2025* Nice pack of handy little boards --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/663605942-xiao-nrf52840-3pcs-pack-nfc-onboard-bluetooth5-0-antenna-supporting](https://www.desertcart.sk/products/663605942-xiao-nrf52840-3pcs-pack-nfc-onboard-bluetooth5-0-antenna-supporting) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-06-24*