Design prototype of prepaid water dispenser

Abstract

Telecommunication technology have change currently, had many change the pattern human life.This is because telecommunication technology already contribute a lot to pattern of life a more convenient. Realizes of this phenomenon, I taken the initiative to design prototype for machine water use prepaid card. This machine easy more somebody to purchase water, it only use prepaid card which in my study were carried out to 30 different respondent background discover 73% stated person used the mobile phone with prepaid system. With this machine, somebody only must buy prepaid card which stated card have code number has been fixed all value determined, being consumer can buy water only with using the card stated, and after determine price of water, automatically card value stated will deduct. Hereby that person no longer need use deep coin purchases water , Then hereby more facilitating somebody to purchase water, as people currently more emphasizing comfortable and faster pattern of life technology development.