Adafruit Feather nRF52840 Express
Adafruit
☉ Bluetooth
64
MHz
Clock Speed
1
Cores
CPU
21
Pins
GPIO
General
Chipset
Nordic nRF52840 (ARM Cortex-M4F)
RAM
256KB SRAM
Flash
1 MB
Storage
1MB flash + 2MB QSPI flash
USB
1x micro USB (native USB)
Connectivity
6x analog in, SPI, I2C, UART, BLE 5.0, NFC
Power
5V micro USB or 3.7V LiPo (onboard charging)
Form Factor
51 x 23mm (Feather standard)
Price
$24-$28
OS Support
none (bare metal)
Frameworks & Languages
Arduino C/C++CircuitPythonZephyrNordic nRF5 SDK