In our project we use three different system to provide the product to the user. 

The first one is the "typical" system. It work with a kind of iron whirlpool where the product is slid in. This part is connected to a stepper motor which turns it and causes the product to fall.

The second system work like a conveyor belt. The products are placed on the conveyor belt and when it is activated the product falls off. 

The last one is a bulk system. 

Finally, here are some questions that can help us plan and think :

- Which inputs to get a product ? 

- Which source of energy ?

- Which materials can we use for the box ? for the window display ?

- Which size ?

- What kind of payment method can we include in our vending machine ?

- For the bulk system, how can we weigh the right amount of product ? Will we be able to weigh ?