Switch (latching)

Switch (Non-Latching

Light dependent resistor

Photodiode

Microphone

Thermistor

Ammeter

Voltmeter

Ceramic Resonator

Resistor

Variable Resistor

Potentiometer

Capacitor

Capacitor (Polarized)

Semiconductor diode

Zener diode

NPN transistor

PNP transistor

Field effect transistor (FET)

Thyristor

Operational amplifier

Schmitt Inverter

AND Gate

NAND Gate

OR Gate

NOR Gate

NOT Gate

XOR Gate

Buzzer

Loudspeaker

Lamp

Light Emitting Diode

Motor

Solenoid

Relay

Piezo Sounder

Primary Cell

Battery

A.C. Supply

Transformer

Earth

Fuse

Variable Transformer