[nrf52840_base] extends = nrf52_base build_flags = ${nrf52_base.build_flags} lib_deps = ${nrf52_base.lib_deps} ${environmental_base.lib_deps} https://github.com/Kongduino/Adafruit_nRFCrypto.git#e31a8825ea3300b163a0a3c1ddd5de34e10e1371