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发表于 2019-8-19 19:30:57
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- /*
- 【Arduino】108种传感器模块系列实验(94)
- 实验九十四: 4X4薄膜矩阵键盘模块轻触开关模组
- */
-
- #include <Keypad.h>
- const byte ROWS = 4;
- const byte COLS = 4;
- char keys[ROWS][COLS] = {
- {'1','2','3','A'},
- {'4','5','6','B'},
- {'7','8','9','C'},
- {'*','0','#','D'}
- };
- byte rowPins[ROWS] = {9, 8, 7, 6};
- byte colPins[COLS] = {5, 4, 3, 2};
- Keypad 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);
- }
- }
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