Introduction: Saving Money Machine


Step 1: Design

Step 2: What Should We Need?

30.5cm x 20.4cm cardboards x2

19.4cm x 14cm cardboards x2

30.4cm x 14cm cardboards x1

Arduino Leonardo x 1


sensor x1

Step 3:

Step 4: Circuit

Step 5: Code

Step 6: Assemble

1. Firstly, assemble the cardboard

2. Second, cut a place that you can throw coins in.

3. Third, make 5 holes to put your LED. (3cm between each other)

Step 7: Done!

Put Arduino at the bottom.

Drop coins in, and 5 LED will lights.

You're DONE!