BatteryBuzzerCapacitorElectrolytic
capacitorVa r i a b l e
capacitorCoil
DiodeLight emitting
diodePhoto diodeZener diodeDual filament bulbSingle filament
bulb
FuseFusible linkHornMotorPulse generatorPiezoelectric
device
ResistorVariable resistorSpeakerThermistorTransistorPhoto transistor
1.25 G B
1234
Example: