






🚀 Tiny Tech, Massive Impact — Power Your Next IoT Revolution!
The Seeed Studio XIAO nRF52840 is a compact microcontroller board featuring a 64MHz 32-bit ARM Cortex-M4 CPU with FPU, integrated Bluetooth 5.0 and NFC wireless connectivity via onboard antenna, and ultra-low power consumption with 5μA deep sleep mode. Designed for wearable and IoT applications, it supports multiple programming environments including Arduino, CircuitPython, and MicroPython, and includes rich interfaces such as UART, I2C, SPI, and 2MB onboard flash memory. Its ultra-small 21 x 17.5mm form factor and battery charging management make it ideal for next-gen tiny machine learning and Amazon Sidewalk compatible projects.





| RAM | RAM |
| Wireless Type | Bluetooth |
| Brand | seeed studio |
| Series | Seeed Studio XIAO nRF52840 |
| Operating System | Arduino IDE, MicroPython, CircuitPython |
| Item Weight | 0.352 ounces |
| Product Dimensions | 0.83 x 0.69 x 0.83 inches |
| Item Dimensions LxWxH | 0.83 x 0.69 x 0.83 inches |
| Number of Processors | 1 |
| Manufacturer | seeed studio |
| ASIN | B09T9VVQG7 |
| Date First Available | February 24, 2022 |
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