آموزش راه اندازی ماژول سنسور مجاورتی لمسی خازنی 4 تایی با آردوینو

/*
  CJMCU-0401-4bit-Touch-ُSensor-Module
  made on 08 Nov 2020
  by Amir Mohammad Shojaee @ Electropeak
  
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*/

#define out1 8
#define out2 9
#define out3 10
#define out4 11

void setup() 
  {    
    Serial.begin(9600); 
    Serial.println("begin to touch");  
    pinMode(out1,INPUT);
    pinMode(out2,INPUT);
    pinMode(out3,INPUT);
    pinMode(out4,INPUT);
  }
void loop()
{     
   if(digitalRead(out1)==HIGH){
     Serial.println("button1 is touched");
     while(digitalRead(out1)==HIGH){}
   }

   if(digitalRead(out2)==HIGH){
     Serial.println("button2 is touched");
     while(digitalRead(out2)==HIGH){}
   }

   if(digitalRead(out3)==HIGH){
     Serial.println("button3 is touched");
     while(digitalRead(out3)==HIGH){}
   }

   if(digitalRead(out4)==HIGH){
     Serial.println("button4 is touched");
     while(digitalRead(out4)==HIGH){}
   }
}