Arduino/Compatible

Feather nRF52840

The Adafruit Feather nRF52840 is a powerful, Arduino-compatible development board featuring the Nordic nRF52840 microcontroller with Bluetooth Low Energy (BLE) and native USB support. Perfect for IoT projects, wearables, and wireless applications.

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Specifications

Processor: ARM Cortex-M4F at 64 MHz Flash Memory: 1 MB SRAM: 256 KB Operating Voltage: 3.3V Input Voltage: 3.7V - 5.5V (via USB or battery) Digital I/O Pins: 21 Analog Input Pins: 8 (12-bit ADC) PWM Outputs: 12 USB: Native USB support Wireless: Bluetooth Low Energy (BLE 5.0) Dimensions: 51mm x 23mm x 3mm Weight: 5g Battery Connector: JST PH for 3.7V LiPo Charging: Built-in LiPo charger (500mA) Temperature Range: -40°C to +85°C Communication: I2C, SPI, UART LEDs: 1 user LED, 1 NeoPixel Buttons: Reset and User buttons

Details

The Adafruit Feather nRF52840 is an advanced microcontroller board designed for wireless applications. It features the powerful Nordic nRF52840 chip with an ARM Cortex-M4F processor running at 64MHz, offering 1MB flash memory and 256KB SRAM. This board comes with built-in Bluetooth Low Energy (BLE) support, native USB functionality, and a LiPo battery connector for portable projects. The Feather nRF52840 is fully compatible with the Arduino ecosystem and supports CircuitPython, making it versatile for both beginners and advanced developers. Key features include 21 GPIO pins, 8 analog inputs, 12 PWM outputs, and support for multiple communication protocols including I2C, SPI, and UART. The board is ideal for creating IoT devices, wearable technology, home automation systems, and wireless sensor networks. Its compact form factor and robust wireless capabilities make it an excellent choice for projects requiring reliable Bluetooth connectivity and processing power.

Alternatives

ESP32 Dev Kit
Raspberry Pi Pico W
Arduino Nano 33 BLE
Seeed Studio XIAO nRF52840

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Feather nRF52840

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