Aalad loo isticmaalo hawo qaboojiye fog, hawo qaboojiyaha fogaanta waxa ugu horayn ka samaysan sabuurad wareeg ah oo isku xidhan iyo badhamada loo isticmaalo in lagu soo saaro fariimo kala duwan.Chip microprocessor ah oo soo saara calaamada kontoroolka fog, oscillator crystal, transistor amplification, diode iftiimiya infrared, iyo matrix kiiboodhka ayaa ah inta badan kontoroolka fog.