程序之一:測試矩陣鍵盤部分
- /*
- 【Arduino】168種傳感器模塊系列實驗(資料+代碼+圖形+仿真)
- 實驗一百四十:YL-004老款20按鍵獨立鍵盤 跑馬燈矩陣鍵盤模塊
- 程序之一:測試矩陣鍵盤部分
- */
-
- #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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