Adafruit Feather NRF52840 Sense Wireless Development Board with Sensors

Description

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:

• Bluetooth Low Energy (BLE) support, ideal for wireless communication.
• Native USB support, enabling easy connection to computers or devices, compatible with both CircuitPython and Arduino IDE.
• Cortex-M4F processor running at 64 MHz, with hardware floating point acceleration for smooth performance.
• 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:

• 9-DoF motion sensing with LSM6DS3TR-C accelerometer/gyro and LIS3MDL magnetometer.
• APDS9960 sensor for proximity, light, color, and gesture sensing.
• PDM microphone for sound detection.
• SHT humidity sensor for environmental sensing.
• BMP280 sensor for temperature, barometric pressure, and altitude measurement.

Hardware & Connectivity:

• 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).
• FCC, IC, and TELEC certified for wireless communication.
• 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:

• 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!

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