menu "knowing app"
    source "$APP_DIR/Applications/knowing_app/mnist/Kconfig" 
    source "$APP_DIR/Applications/knowing_app/face_detect/Kconfig" 
    source "$APP_DIR/Applications/knowing_app/instrusion_detect/Kconfig" 
    source "$APP_DIR/Applications/knowing_app/helmet_detect/Kconfig" 
endmenu