COOKING TIMER BASED ON MIKROKONTROLER AT89S51

Cooking timer with microcontroller AT89S51 is a tool used to determine the desired time when cooking with electric stoves. The purpose is to turn off the electric stove automatically in certain time. The main component are the AT89S51 microcontroller, 4x3 keypad is used to set the desired time, the M1632 LCD display and a siren to indicate that the time has been completed and the LED as a warning indicator. The results of tool performance is by comparing time between stopwatch and with the automatic cooking timer. The performance is very good with the accuracy around 5 seconds.