led diode graphic electronic for circuit diagram on white background

active anode arrow background board cathode circuit closeup colored common component current design device diagram different diode disposal drawing educative electric electrical electricity electronic electrotechnics electrotechnology element emitting engineering equipment ewaste graphic green group heap icon industry isolated layout led light many network nobody nopeople object part pcb pictogram pile recycling red repair schematic scheme science semiconductor separation service set shop source spare standard store support symbol tech technical technology typical various white yellow