I wan to add the capability to enter and store a decimal variable, up to 3 digits, 0 to 999, using a 4x4 matrix keypad. I have the keypad connected to my Uno and reading the keys, but it is only displaying the individual keypress. I want to create a variable x and enter 1 to 3 digits and store it. I…

input and save up to 3 digit dec # using Uno and 4x4 matrix keypad

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