Seeed Studio XIAO nRF52840 Sense
The Seeed Studio XIAO nRF52840 Sense is a very small board (21 × 17.8 mm) with the Nordic nRF52840 (ARM Cortex-M4 with FPU, 64 MHz), Bluetooth LE and NFC. The Sense version also has a digital PDM microphone and an LSM6DS3TR-C 6-axis motion sensor (IMU). A 3.7 V LiPo battery can be connected to the solder pads on the back and is charged via USB-C with the BQ25101 charging chip. The board is programmed with Arduino, MicroPython or CircuitPython.
Recommended Accessories:
Features:
- Nordic nRF52840, ARM Cortex-M4 with FPU, 64 MHz
- 256 KB RAM, 1 MB flash, plus 2 MB flash on the board
- Bluetooth LE with on-board antenna, NFC
- Digital PDM microphone
- LSM6DS3TR-C 6-axis motion sensor (IMU)
- 11 GPIO with PWM, 6 of them analogue inputs
- UART, I2C and SPI
- USB-C, BQ25101 charging chip with 50 or 100 mA
- RGB LED, charge indicator and reset button (press twice for the bootloader)
- Pinout as an image in the picture gallery
Application Examples:
- Bluetooth sensors and wearable devices
- Detecting movements and sounds with machine learning (TinyML)
- LoRa nodes with the Seeed Studio Wio-SX1262 Lora Base for XIAO
- Integration into Home Assistant with ESPHome
Documentation:
Technical Data:
- Manufacturer: Seeed Studio
- Manufacturer SKU: 102010469
- Chip: Nordic nRF52840
- CPU: ARM Cortex-M4 with FPU, 64 MHz
- RAM: 256 KB
- Flash: 1 MB, plus 2 MB on the board
- Radio: Bluetooth LE, NFC
- Sensors: IMU LSM6DS3TR-C, PDM microphone
- I/O: 11 GPIO with PWM, 6 analogue inputs
- Interfaces: UART, I2C, SPI
- Logic voltage: 3.3 V
- Charging chip: BQ25101
- Standby: below 5 µA
- Connector: USB-C
- Button: reset
- Dimensions: 21 × 17.8 mm
- Weight: 4 g
Scope of Delivery:
- 1× Seeed Studio XIAO nRF52840 Sense
Seeed Studio XIAO nRF52840 Sense
- Brand: Seeed Studio
- Product Code: 422541
- Availability: Out Of Stock
-
CHF18.90
- Ex Tax: CHF17.48
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Tags: Seeedstudio, XIAO, nRF52840, Nordic, Bluetooth 5.0, BLE 5.0, ZigBee, Mesh, NFC, USB-C, 3.3V, Microcontroller, MCU, 32-bit, ARM, Cortex-M4, M4, LSM6DS3TR-C, PDM, BQ25101, 102010469, ESPHome