一、實(shí)物連接

二、代碼實(shí)現(xiàn)

const int analogPin=A0; //the AO of the module attach to A0 const int digitalPin=7; //D0 attach to pin7 const int ledPin=13; //pin 13 built-in led int Astate=0; //store the value of A0 boolean Dstate=0; //store the value of D0void setup() {pinMode(ledPin,OUTPUT); //set the ledPin as OUTPUT pinMode(digitalPin,INPUT); //set digitalPin as INPUTSerial.begin(9600); //initialize the serial monitor }void loop() {Astate=analogRead(analogPin); //read the value of A0Serial.print("A0: ");Serial.println(Astate); //print the value in the serial monitorDstate=digitalRead(digitalPin); //read the value of D0Serial.print("D0: ");Serial.println(Dstate);if(Dstate==HIGH) {digitalWrite(ledPin,LOW);}else //if the value of D0 is LOW{digitalWrite(ledPin,HIGH); //turn on the led} }

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