Adafruit Feather nRF52840 Express is a powerful Bluetooth Low Energy development board with ARM Cortex-M4F processor, 1MB flash, and native USB support. Perfect for IoT projects requiring BLE connectivity.

Processor: ARM Cortex-M4F with FPU Clock Speed: 64MHz Flash Memory: 1MB SRAM: 256KB Wireless: Bluetooth Low Energy (BLE) 5.x USB: Native USB support Form Factor: Adafruit Feather Operating Voltage: 3.3V Battery Charging: Built-in JST connector and charging circuit Bootloader: UF2 bootloader pre-installed Compatibility: Arduino IDE compatible Dimensions: 51mm x 23mm x 8mm

