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Step 7 The last band, silver, represents a tolerance of ±10%. Write this after 22000 Ω to show the
calculated value as 22000 Ω ±10%. Thus, the given resistor value is 22000 Ω.

7805 Voltage Regulator IC (Integrated Circuit)

The 7805-voltage regulator IC is a three-terminal device that provides a constant output voltage
of +5 volts.

The first two digits “78” indicate that it is a positive voltage regulator, and “05” indicates that
the output voltage is +5 volts.

Switch

A switch is like a bridge in a circuit that can be opened or closed.
When the switch is turned ON, it connects the circuit, allowing electricity to flow.

When the switch is turned OFF, it breaks the circuit, stopping the flow of
electricity.

This opening and closing action of the switch controls the flow of electricity in
a circuit, turning devices ON or OFF. Switch

Pin 4 Pin 3

Pin 5 Pin 2
Pin 1 Pin 6

Switch Pinout

Connecting Wires

Connecting wires are like electrical roads that let electricity travel between parts of a circuit.

They’re usually made of a metal like copper, which lets electricity pass through easily.
When you connect them correctly, they create a path for electricity to move through.

There are three different time of connecting wires male to male connecting wires, male to female
connecting wires, female to female connecting wires.

Male to Male Wires Male to female Wires Female to female Wires

Electronics with Breadboard-Based Kit 15