Develop an integer calculator to add

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Reference no: EM134039637

Assignment:

Calculator - Using the membrane keypad develop an integer calculator to add, subtract and multiply up to four numbers. The results are to be displayed on the LEDs. You will need to carefully consider how to display results that are greater than 255 or negative (Hint: use an additional key to switch between the upper and lower 8-bits.). To increase the complexity, you can include division. When performing a division, the quotient and remainder can be displayed separately. Given that the ATmega32A has limited division support a reminder that division is repeated subtraction until a value of less than zero is obtained.

Reference no: EM134039637

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