Fix Resistor

Variable Resistor

Capacitor

Variable Capacitor

LED (light Emitting diode)

Transistor

There are two types of Transistors

NPN

PNP

Transistor

Transistor NPN BC 547

Transistor PNP

IC 555IC (Integrated Circuit)

MIC

Relay

LDR (Light Dependent Resistor)

Transformer

Diode

Zener diode

Bread Board

Varo Board or PCB