Variable Watch

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Accelerometer

Avatar for PiGraham PiGraham

How can you see what value a variable has? One way is to display the value in binary on the LED array. This example shows how a byte ( values 0 to 255) can be displayed as two 4-bit patterns. Ignore column 0. Most significant nibble on row 1, least sig row 0. ls bit in colmn 4.

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