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the code for the keypad
04/17/2023 at 17:53 • 0 comments#include <Keypad.h>
const byte ROWS = 4; //four rows
const byte COLS = 4; //three columns
char keys[ROWS][COLS] = {
{'1','2','3','4',},
{'5','6','7','8',},
{'9','0','#','*',},
{'+','-','%','/'}
};
byte rowPins[ROWS] = {5, 4, 3, 2}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {8, 7, 6, 9}; //connect to the column pinouts of the keypadKeypad keypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS );
void setup(){
Serial.begin(9600);
}void loop(){
char key = keypad.getKey();if (key != NO_KEY){
Serial.println(key);
}
} -
codeing the keypad
04/17/2023 at 17:31 • 0 commentsI finished coding the keypad it works and is organized correctly.