Feather nRF52840 Express

Adafruit's Bluetooth LE Feather. Its board is 1.99 mm thick rather than the 1.57 every other Feather is, so its holes run that much deeper.

One of the Feather Mainboard family.

Made by
Adafruit
SKU
4062
Kind
Circuit board (PCB)
Licence
CC-BY-SA-3.0
Keywords
feather, adafruit, nrf52840, bluetooth, ble, microcontroller, board
Overall size (X × Y × Z)51.2 × 22.9 × 8.3 mm
PCB size50.8 × 22.9 mm
PCB thickness2 mm
Mounting holes4 × Ø2.5 mm
Through-hole pads30
Components33
Functionmicrocontroller board
Form factorfeather
ChipnRF52840
Clock speed64 MHz
Flash1 MB, 2 MB QSPI flash
RAM256 KB
GPIO pins21
WirelessBLE
USB connectorMicro-B
Logic level3.3 V
Weight6 g

    Variations

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