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byte rowPins[ROWS] = 2, 3, 4, 5; // Connect to keypad rows byte colPins[COLS] = 6, 7, 8, 9; // Connect to keypad columns
and go to the Component Mode (click the 'P' icon).
Proteus includes several inbuilt 4x4 matrix keypads (e.g., calculator and phone styles) that are ready to use without additional downloads
: If the software was open, close and reopen it to allow the database to refresh and recognize the new components. 3. Using the Keypad in Your Simulation
By default, Proteus Isis includes a "Keypad - Telephone" component, but it is often a 3x4 layout (12 keys). For projects requiring hexadecimal input (A, B, C, D), a standard 4x4 layout (16 keys) is necessary.
To use the keypad in your project, search for "Keypad-Matrix" or the specific name of your downloaded library in the window. Matrix Keypad and LCD Library download | SourceForge.net