Then, I used Arduino to create a random machine to help people make choice what they will do in the morning. There is my prototype:

Here is my Arduino code:

Feedback:

From the conversation with Nicolas, he suggested me that I could build a database based on biorhythm which could separate weekdays and weekend, and also from my idea about the future teller, he gave me advice about “change” project and Chinese lucky cookie, which belong to Astrology.