Coin Opreated Vending Machine Based on Microcontroller

average vending machines are commonplace at railway stations, airports, fast-food restaurants and even in companies. Press a switch and the machine delivers a cup of your favorite drink. This looks quite a simple operation but has a very complex logic behind it: It involves use of twelve precision timers and four counters apart from physical devices like display, solenoid and motor to deliver water and premixed tea/coffee/soup powder in exact quantity for better taste and in exact sequence. This has become possible because of the use of micro controllers, which allow compact size, higher reliability, lower cost and multiple functionalists. This tea/coffee/soup vending machine controller uses Free-scale latest AT89S52 micro controller†¦show more content†¦No More Credit Cards! A Massachusetts company who is into manufacturing vending machines, proclaims that soon there will be biometric vending machines introduced in the market. These biometric machines will recognize a person through his fingerprints. Through these customers can actually connect a credit card to the imprint of their thumb! The Massachusetts company predicts that such machines, which make the customers feel engaged will be the new future of vending machines. There are also some talks going around that certain vending machines are being manufactured and tested which will allow retinal scans of the customers. The customers will thus be recognized through their retinas and thereafter, charged for their vending machine purchases. A very useful feature of these vending machines, for companies who have installed them, is that they will come with Ethernet connections. This will enable them to recognize real fast when the machine needs to be re-stocked. Also, if the machine is somehow not working properly due to a coin being stuck in it, the monitors will report it immediately and the same fault can be corrected within no time. It is believed that these machines will get installed within the next one year. Looking at their benefits, they are indeed a win-win for customers, companies as well as advertisers! Read more at Buzzle: