Datasheet
Overview
What's smaller than a Feather but larger than a Trinket? It's an Adafruit ItsyBitsy nRF52840 Express featuring the
Nordic nRF52840 Bluetooth LE processor! Teensy & powerful, with an fast nRF52840 Cortex M4 processor running at
64 MHz and 1 MB of FLASH - this microcontroller board is perfect when you want something very compact, with a
heap-load of memory and Bluetooth LE support This Itsy is your best option for tiny wireless connectivity - it can act as
both a BLE central and peripheral, with support in both Arduino and CircuitPython.
ItsyBitsy nRF52840 Express is only 1.4" long by 0.7" wide, but has 6 power pins, 21 digital GPIO pins (6 of which can be
© Adafruit Industries https://learn.adafruit.com/adafruit-itsybitsy-nrf52840-express Page 7 of 179










