Table of Contents
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Step 1
Select the Number of Rows
on the screen and set it to
4.
Select
the
Number
of
Columns, and set that value
to 4 as well.
The screen should appear
as shown to the right.
Step 2
After the matrix size has been assigned in step 1, the pins of the
KE-USBMX20 header to be used as rows and columns must be
defined.
On the keypad pins, the row and column assignments from the
keypad layout diagram are,
C1 = Pin 8, C2 = Pin 2, C3 = Pin 6, C4 = Pin 5
R1 = Pin 1, R2 = Pin 3, R3 = Pin 4, R4 = Pin 7
10
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