qt-everywhere-src-5.15.1/qtconnectivity/examples/bluetooth/heartrate-server/heartrate-server.pro

TEMPLATE = app
TARGET = heartrate-server

QT = core bluetooth
android: QT += gui
CONFIG += c++11

SOURCES += main.cpp

target.path = $$[QT_INSTALL_EXAMPLES]/bluetooth/heartrate-server
INSTALLS += target