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Code: Select all

//... omissis
#include <SoftwareSerial.h>
#define RX_PIN 2
#define TX_PIN 4
#define BAUD_RATE 57600
SoftwareSerial sSerial;

#define CAMERA_MODEL_AI_THINKER
//... omissis
void startCameraServer();

void setup() {
  Serial.begin(115200);
  Serial.setDebugOutput(true);
  Serial.println();
  
  sSerial.begin(BAUD_RATE, RX_PIN, TX_PIN, SWSERIAL_8N1, false, 95, 11);
//... omissis
  sSerial.write(WiFi.localIP());
}
//... omissis

Code: Select all

#include <HardwareSerial.h>

HardwareSerial mySerial(1);
HardwareSerial mySerial2(2);

uint8_t byteFromSerial;
 
void setup() {  
    Serial.begin(115200);  17 TX / 16 RX 
    mySerial.begin(115200, SERIAL_8N1, 23, 19); <- set your TX/RX Pin
    mySerial2.begin(115200, SERIAL_8N1, 9, 10); <- set your TX/RX Pin
}

void loop() {
   while (mySerial.available() > 0) {
         byteFromSerial= mySerial.read();
         Serial.write(byteFromSerial);
    }
    
   while (mySerial2.available() > 0) {
         byteFromSerial= mySerial2.read();
         Serial.write(byteFromSerial);
    }
  
     while (Serial.available() > 0) {
        byteFromSerial = Serial.read();
         mySerial.write(byteFromSerial);
         mySerial2.write(byteFromSerial);
    }
}