- /*
- 【Arduino】37种传感器模块系列实验(26)
- 实验二十六:4X4矩阵键盘模块(16键示例代码)
- */
- #include <Keypad.h>
- const byte ROWS = 4;
- const byte COLS = 4;
- char hexaKeys[ROWS][COLS] = {
- {'1','2','3','A'},
- {'4','5','6','B'},
- {'7','8','9','C'},
- {'*','0','#','D'}
- };
- byte rowPins[ROWS] = {2, 3, 4, 5};
- byte colPins[COLS] = {6, 7, 8, 9};
- Keypad customKeypad = Keypad( makeKeymap(hexaKeys), rowPins, colPins, ROWS, COLS);
- void setup(){
- Serial.begin(9600);
- }
- void loop(){
- char customKey = customKeypad.getKey();
- if (customKey){
- Serial.println(customKey);
- }
- }
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