small internal wifi antenna and shining led lights embedded on circuit board

antenna assembly background black board capacitor chip circuit closeup coil component connection copper core design detail development device diode electric electrical electronic electrotechnical electrotechnology element embedded emitting engineering ewaste ferromagnetic green inductor industrial industry integrated internal layer layout led light macro manufacture metal micro microelectronics mini miniaturization mount network nobody part pcb power printed radio recycle repair research resistor science semiconductor service small smd smt source supply surface technical technology wifi wireless yellow