void setup() {
  // put your setup code here, to run once:
 Serial.begin(115200);
 //Serial.println("Hello,ESP321");
pinMode(21,OUTPUT);
pinMode(19,OUTPUT);
pinMode(18,OUTPUT);
pinMode(25,INPUT);
pinMode(26,INPUT);
pinMode(27,INPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
analogWrite(19,analogRead(25));  //red
analogWrite(21,analogRead(26)); //blue
analogWrite(18,analogRead(27));  //yellow
}