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//ESP

.#include "SoftwareSerial.h"

SoftwareSerial ArduinoUno(D2,D3); //Rx, Tx

void setup() {

Serial.begin(9600);

ArduinoUno.begin(4800);

pinMode(D2, INPUT);

pinMode(D3, OUTPUT);

}

void loop() {

}

/******************************************************************************/

#include "SoftwareSerial.h"

SoftwareSerial ArduinoUno(D2,D3); //Rx, Tx

void setup() {
  
Serial.begin(9600);

ArduinoUno.begin(4800);

pinMode(D2, INPUT);

pinMode(D3, OUTPUT);
  
}

void loop() {
  
}

/******************************************************************************/

//UNO

.#include "SoftwareSerial.h"

SoftwareSerial ArduinoUno(3,2); //Rx, Tx

void setup() {

Serial.begin(9600);

ArduinoUno.begin(4800);

}

void loop() {

if(ArduinoUno.available() > 0){

#include "SoftwareSerial.h"

SoftwareSerial ArduinoUno(3,2); //Rx, Tx

void setup() {

Serial.begin(9600);

ArduinoUno.begin(4800);

}

void loop() {

  if(ArduinoUno.available() > 0){

    //float val = ArduinoUno.parseFloat();

    Serial.println(ArduinoUno.read());

  }

  delay(30); 

}

}

delay(30);

}

//ESP

.#include "SoftwareSerial.h"

SoftwareSerial ArduinoUno(D2,D3); //Rx, Tx

void setup() {

Serial.begin(9600);

ArduinoUno.begin(4800);

pinMode(D2, INPUT);

pinMode(D3, OUTPUT);

}

void loop() {

}

/******************************************************************************/

//UNO

.#include "SoftwareSerial.h"

SoftwareSerial ArduinoUno(3,2); //Rx, Tx

void setup() {

Serial.begin(9600);

ArduinoUno.begin(4800);

}

void loop() {

if(ArduinoUno.available() > 0){

//float val = ArduinoUno.parseFloat();

Serial.println(ArduinoUno.read());

}

delay(30);

}

//ESP

#include "SoftwareSerial.h"

SoftwareSerial ArduinoUno(D2,D3); //Rx, Tx

void setup() {
  
Serial.begin(9600);

ArduinoUno.begin(4800);

pinMode(D2, INPUT);

pinMode(D3, OUTPUT);
  
}

void loop() {
  
}

/******************************************************************************/

//UNO

#include "SoftwareSerial.h"

SoftwareSerial ArduinoUno(3,2); //Rx, Tx

void setup() {

Serial.begin(9600);

ArduinoUno.begin(4800);

}

void loop() {

  if(ArduinoUno.available() > 0){

    //float val = ArduinoUno.parseFloat();

    Serial.println(ArduinoUno.read());

  }

  delay(30); 

}
Source Link

//ESP

.#include "SoftwareSerial.h"

SoftwareSerial ArduinoUno(D2,D3); //Rx, Tx

void setup() {

Serial.begin(9600);

ArduinoUno.begin(4800);

pinMode(D2, INPUT);

pinMode(D3, OUTPUT);

}

void loop() {

}

/******************************************************************************/

//UNO

.#include "SoftwareSerial.h"

SoftwareSerial ArduinoUno(3,2); //Rx, Tx

void setup() {

Serial.begin(9600);

ArduinoUno.begin(4800);

}

void loop() {

if(ArduinoUno.available() > 0){

//float val = ArduinoUno.parseFloat();

Serial.println(ArduinoUno.read());

}

delay(30);

}