Finite State Machine based Vending Machine Controller with Auto-Billing Features

摘要

Nowadays, Vending Machines are well known among Japan, Malaysia andSingapore. The quantity of machines in these countries is on the top worldwide.This is due to the modern lifestyles which require fast food processing withhigh quality. This paper describes the designing of multi select machine usingFinite State Machine Model with Auto-Billing Features. Finite State Machine(FSM) modelling is the most crucial part in developing proposed model as thisreduces the hardware. In this paper the process of four state (user Selection,Waiting for money insertion, product delivery and servicing) has been modelledusing MEALY Machine Model. The proposed model is tested using Spartan 3development board and its performance is compared with CMOS based machine.