What you will need
An Arduino Uno
A breadboard
Male to male jumper cables
A Piezo buzzer
9V battery
9V battery clip
Craft materials:
Scissor
Cardboard box
Aluminum foil
Cellophane tape
Glue
An Arduino Uno
A breadboard
Male to male jumper cables
A Piezo buzzer
9V battery
9V battery clip
Craft materials:
Scissor
Cardboard box
Aluminum foil
Cellophane tape
Glue