Platform Nordic nRF52: The nRF52 Series are built for speed to carry out increasingly complex tasks in the shortest possible time and return to sleep, conserving precious battery power. They have a Cortex-M4F processor and are the most capable Bluetooth Smart SoCs on the market.
[env:adafruit_feather_nrf52840] platform = nordicnrf52 board = adafruit_feather_nrf52840
You can override default Adafruit Feather nRF52840 Express settings per build environment using
board_*** option, where
*** is a JSON object path from
board manifest adafruit_feather_nrf52840.json. For example,
[env:adafruit_feather_nrf52840] platform = nordicnrf52 board = adafruit_feather_nrf52840 ; change microcontroller board_build.mcu = nrf52840 ; change MCU frequency board_build.f_cpu = 64000000L
Adafruit Feather nRF52840 Express supports the next uploading protocols:
Default protocol is
You can change upload protocol using upload_protocol option:
[env:adafruit_feather_nrf52840] platform = nordicnrf52 board = adafruit_feather_nrf52840 upload_protocol = nrfutil
Debugging - “1-click” solution for debugging with a zero configuration.
You will need to install debug tool drivers depending on your system. Please click on compatible debug tool below for the further instructions and configuration information.
Adafruit Feather nRF52840 Express does not have on-board debug probe and IS NOT READY for debugging. You will need to use/buy one of external probe listed below.
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