Electronics Projects, 8051 Calculator Circuit article
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8051 Calculator Circuit Operation As seen at half one has to use the keypad and an LCD with 8051. The keypad consists of rows and columns. When the button is pressed certain keys combined treatment. Pressing 1, column 1 for example is 1.sat nanny and 1-5 should be combined. More than one button in a column or row is connected primarily to determine which button is pressed first applying to the others which row, column 1 to 0 of 0 value must be determined to reach out button.
8051 Calculator Schmeatic
8051 Calculator keil source code and proteus isis simulation files: 8051-calculator-circuit.rar author: Fatih Yıldırım