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描述
描述
五色大按鈕控制模組 按鍵控制模組
arduino專用模塊，端口兼容傳感器擴展板
按下時輸出低電平，釋放保持高電平
尺寸：26*21mm
一套套五個（紅、黃、綠、藍、白色各一枚）
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// Sensor Signal (S) = [Pin 3] // Sensor +V = [Pin 5V] // Sensor – = [Pin GND] // Arduino Code for Push button Module int Led = 13 ;// Declaration of the LED-output pin int Key = 3; // Declaration of the sensor input pin int val; // Temporary variable void setup () { pinMode (Led, OUTPUT) ; // Initialization output pin pinMode (Key, INPUT_PULLUP) ; // Initialization Key pin with internal pull-up resistor } void loop () { val = digitalRead (Key) ; // The current signal at the key will be read if (val == HIGH) // If a signal was detected, the LED will light up. { digitalWrite (Led, HIGH); } else { digitalWrite (Led, LOW); } } |
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