Microphone

Maker: Harish

Place: Banjarapalya E4D Makerspace

Materials:

Pencil leads

Match box

Thin Wires

Headphones

9v Battery

Tools:

Wire cutter

Blade

Cut the pencil upper layer and remove the lead carefully.

Take a matchbox and make a two whole as shown in the image

Take two pencil leads and fix the leads to the matchbox wholes.

Connect the positive and negative wires to the pencil lead as shown in the image.

Connect the wires from pencil lead to battery, then connect another wire from battery to headphone, and again another pencil lead to headphone.

Wear the headphones and touch the matchbox, then you will hear the sound in headphones.