The Adafruit Feather Bluefruit Sense combines the popular Feather nRF52840 Express with a variety of built-in sensors, creating a powerful and versatile wireless sensor platform. This Feather microcontroller features Bluetooth Low Energy (BLE) and native USB support, all powered by the nRF52840 chip. It is a fully integrated Arduino-compatible board with Bluetooth capabilities, USB support, and battery charging, making it perfect for wireless projects.
Key Features:
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Bluetooth Low Energy (BLE) support, ideal for wireless communication.
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Native USB support, enabling easy connection to computers or devices, compatible with both CircuitPython and Arduino IDE.
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Cortex-M4F processor running at 64 MHz, with hardware floating point acceleration for smooth performance.
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1MB flash and 256KB SRAM, providing ample memory for projects.
- Built-in battery charging and power management for portable applications.
- Pre-programmed with the UF2 bootloader for easy programming.
Built-In Sensors:
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9-DoF motion sensing with LSM6DS3TR-C accelerometer/gyro and LIS3MDL magnetometer.
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APDS9960 sensor for proximity, light, color, and gesture sensing.
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PDM microphone for sound detection.
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SHT humidity sensor for environmental sensing.
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BMP280 sensor for temperature, barometric pressure, and altitude measurement.
Hardware & Connectivity:
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Up to 21 GPIO pins, 6 x 12-bit ADC pins, and up to 12 PWM outputs.
- Supports SPI, UART, I2C, and I2S communication protocols on any pins.
- Integrated NeoPixel for colorful feedback, and LEDs for general-purpose status indication (red for blinking and blue for connection status).
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FCC, IC, and TELEC certified for wireless communication.
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8 dBm output power for strong signal transmission.
Form Factor:
- Measures 2.0" x 0.9" x 0.28" (51mm x 23mm x 7.2mm) without headers soldered in.
- Weighs 6 grams with 4 mounting holes for easy integration into projects.
- Includes a reset button and SWD debug pads on the bottom for debugging.
Compatibility:
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Works seamlessly with all Adafruit FeatherWings, even UART-using ones like the GPS FeatherWing.
- Easily integrates with CircuitPython or Arduino for rapid development.
This all-in-one, Bluetooth-enabled development board is perfect for creating wireless sensor applications, environmental monitoring, motion sensing, and much more!