Description:Knock sensor module and a digital 13 interface, built-in LED build a simple circuit to produce percussion flasher. Interface comes with digital LED, will knock sensor connected digital 3 interface, when percussion sensor senses measure to percussive signals, LED flashing light.Size: 30x18x6mm (approx)Routines source code:int Led = 13;// define LED Interfaceint Shock = 3;// define the percussion Sensor Interfaceint val;// define numeric variables valvoid setup (){pinMode (Led, OUTPUT) ;// define LED as output interfacepinMode (Shock, INPUT) ;// define knock sensor output interface}void loop (){val = digitalRead (Shock) ;// read digital interface is assigned a value of 3 valif (val == HIGH) // When the percussion when the sensor detects a signal, LED flashes{digitalWrite(Led, LOW);}else{digitalWrite(Led, HIGH);}} Package includes:Knock Sensor Module x 5
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