RANCANG BANGUN SISTEM PENTAKARAN MINYAK TANAH KELIPATAN 1 LITER BERBASIS MIKROKONTROLER AT89S51 DENGAN PENAMPIL HARGA MENGGUNAKAN LCD

Abstract

Has been made measuring system fold kerosene 1 litre base on microcontroller AT89S51 with display price use LCD which more practtical LCD and easy to. Kerosene seller can pressed knob of keypad available to fulfill consumer order who buy kerosene. Kerosene will go out according to consumer order with display litre amount at LCD At this system for measure volume of oil 1 litre use level kerosene sensor in the form of 2 optocoupler with float have string as switching. For the admission filling used pump whichblazing and death switched by sensor logic. While minimum system of microcontroller AT89S51 arrange all kerosene ordering, admission filling of oil to consumer and process price oil consumer bought so display by LCD From research done to be got result of measuring from each sensor of level to fulfill volume 1 litre at each measuring tank. Also display at LCD in the from setpoint and volume of each 1 litre and price. For menu of there are display amount of oil volume go out and also price of oil which want.