请问这辆小车的esp8266通讯出了什么问题?

我想用esp8266 Node Mcu做通讯装置,mega2560作为主控板进行一辆四轮小车的驱动,用blinker平台进行控制。
确实成功了百分之八十,但剩下的东西始终无法突破,请解答一下,
本人学生党,实在囊中羞涩,无法搞什么付费,但如果有合适的回答我愿付出酬劳。 谢谢了,真的很急。
esp8266的代码

#define BLINKER_WIFI
#include <SoftwareSerial.h>
#include <Blinker.h>

char auth[] = "          ";
char ssid[] = "          ";
char pswd[] = "           ";

// 新建组件对象
BlinkerButton Button1("btn-s");
BlinkerButton Button2("btn-d");
BlinkerButton Button3("btn-l");
BlinkerButton Button4("btn-r");
BlinkerText Text1("text_1");



bool oState[5]={false};

void dataRead(const String&data)
{
  BLINKER_LOG("Blinker readString:",data);
  Blinker.vibrate();
  uint32_t BlinkerTime=millis();
  Blinker.print("millis",BlinkerTime);

}

void button1_callback(const String&state)
{
  BLINKER_LOG("get button state:",state);
  if(state=="press"){
    Serial.print("w");//在2560端判断,在这里不用管

  }
  else if(state=="pressup"){
    Serial.print("s");//在2560端判断,在这里不用管

  }
  
}

void button2_callback(const String&state)
{
  BLINKER_LOG("get button state:",state);
  if(state=="press"){
    Serial.print("d");//在2560端判断,在这里不用管

  }
  else if(state=="pressup"){
    Serial.print("s");//在2560端判断,在这里不用管

  }
  
}

void button3_callback(const String&state)
{
  BLINKER_LOG("get button state:",state);
  if(state=="press"){
    Serial.print("l");//在2560端判断,在这里不用管

  }
  else if(state=="pressup"){
    Serial.print("s");//在2560端判断,在这里不用管

  }
  
}

void button4_callback(const String&state)
{
  BLINKER_LOG("get button state:",state);
  if(state=="press"){
    Serial.print("r");//在2560端判断,在这里不用管
 
   }
  else if(state=="pressup"){
    Serial.print("s");//在2560端判断,在这里不用管
  
  }
  
}

void setup()
{
    // 初始化串口
    Serial.begin(9600);
    BLINKER_DEBUG.stream(Serial);
    BLINKER_DEBUG.debugAll();

    Blinker.begin(auth, ssid, pswd);
    Blinker.attachData(dataRead);

    Button1.attach(button1_callback);
    Button2.attach(button2_callback);
    Button3.attach(button3_callback);
    Button4.attach(button4_callback);
}

void loop() {
    Blinker.run();
}

2560主控板的代码

#include <SoftwareSerial.h>

String Serial_String=" ";
#include <Arduino.h>
int inputA11=7;
int inputA12=8;
int inputA13=9;
int inputB21=10;
int inputB22=11;
int inputB23=12;
int inputC31=6;
int inputC32=24;
int inputC33=26;
int inputD41=5;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
int inputD42=32;
int inputD43=34;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(inputA11,OUTPUT);
  pinMode(inputA12,OUTPUT);
  pinMode(inputA13,OUTPUT);
  pinMode(inputB21,OUTPUT);
  pinMode(inputB22,OUTPUT);
  pinMode(inputB23,OUTPUT);
  pinMode(inputC31,OUTPUT);
  pinMode(inputC32,OUTPUT);
  pinMode(inputC33,OUTPUT);
  pinMode(inputD41,OUTPUT);
  pinMode(inputD42,OUTPUT);
  pinMode(inputD43,OUTPUT);
}

void read_string(){
  while(Serial.available()>0){
    Serial_String+=(char)(Serial.read());
    delay(2);
  }
}

void loop() {
  if(Serial.available()>0){
    Serial_String=" ";
    read_string();
    Serial.println(Serial_String);
   
    
  }
  
  

  
   /* if(ch='1')straight();
    if(ch='2')down();
    if(ch='3')left();
    if(ch='4')right();
    if(ch='5')stops(); */
  


  if(Serial_String=="w"){
      analogWrite(inputA11,255);
      digitalWrite(inputA12,HIGH);
      digitalWrite(inputA13,LOW);
      analogWrite(inputB21,255);
      digitalWrite(inputB22,HIGH);
      digitalWrite(inputB23,LOW);
      analogWrite(inputC31,255);
      digitalWrite(inputC32,HIGH);
      digitalWrite(inputC33,LOW);
      analogWrite(inputD41,255);
      digitalWrite(inputD42,HIGH);
      digitalWrite(inputD43,LOW);
      Serial.println("straight");

}
   if(Serial_String=="d"){
      analogWrite(inputA11,255);
      digitalWrite(inputA12,LOW);
      digitalWrite(inputA13,HIGH);
      analogWrite(inputB21,255);
      digitalWrite(inputB22,LOW);
      digitalWrite(inputB23,HIGH);
      analogWrite(inputC31,255);
      digitalWrite(inputC32,LOW);
      digitalWrite(inputC33,HIGH);
      analogWrite(inputD41,255);
      digitalWrite(inputD42,LOW);
      digitalWrite(inputD43,HIGH);
      Serial.println("down");

}
   if(Serial_String=="l"){
      analogWrite(inputA11,255);
      digitalWrite(inputA12,HIGH);
      digitalWrite(inputA13,LOW);
      analogWrite(inputB21,255);
      digitalWrite(inputB22,HIGH);
      digitalWrite(inputB23,LOW);
      analogWrite(inputC31,0);
      digitalWrite(inputC32,LOW);
      digitalWrite(inputC33,LOW);
      analogWrite(inputD41,0);
      digitalWrite(inputD42,LOW);
      digitalWrite(inputD43,LOW);
      Serial.println("left"); 
}
   if(Serial_String=="r"){
      analogWrite(inputA11,0);
      digitalWrite(inputA12,LOW);
      digitalWrite(inputA13,LOW);
      analogWrite(inputB21,0);
      digitalWrite(inputB22,LOW);
      digitalWrite(inputB23,LOW);
      analogWrite(inputC31,255);
      digitalWrite(inputC32,HIGH);
      digitalWrite(inputC33,LOW);
      analogWrite(inputD41,255);
      digitalWrite(inputD42,HIGH);
      digitalWrite(inputD43,LOW);
      Serial.println("right");
}
   if(Serial_String=="s"){
      analogWrite(inputA11,0);
      digitalWrite(inputA12,LOW);
      digitalWrite(inputA13,LOW);
      analogWrite(inputB21,0);
      digitalWrite(inputB22,LOW);
      digitalWrite(inputB23,LOW);
      analogWrite(inputC31,0);
      digitalWrite(inputC32,LOW);
      digitalWrite(inputC33,LOW);
      analogWrite(inputD41,0);
      digitalWrite(inputD42,LOW);
      digitalWrite(inputD43,LOW);
      Serial.println("stop");
}
}

 

wifi连接时

img


app状态

img


摁下按键的状态

img

img


但令人可悲的是,电机一直动不了,我怀疑是输出了太多信息到2560导致无法分辨,因为它始终输出不了我想要的
谢谢各位了,这几天快把我弄崩溃了,始终就差这一点,求各位解答一下,谢谢