sent data from android apk to nodemcu to arduino same data differ out put error

Projects Programming
1

///////////////////////////////////////////////node mcu code
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>

#include <Servo.h>

#include <SoftwareSerial.h>

SoftwareSerial S(3,1); // rx tx

String command; //String to store app command state.

//const char* ssid = "virus";
const char *ssid = "bolbonabc";
const char *password = "thereisnospoon";

ESP8266WebServer server(80);

void setup() {

S.begin(115200);
//new line add

S.println();
S.print("Configuring access point...");
/* You can remove the password parameter if you want the AP to be open. */
WiFi.softAP(ssid, password);

IPAddress myIP = WiFi.softAPIP();
S.print("AP IP address: ");
S.println(myIP);
server.on("/",HTTP_handleRoot);
server.begin();
S.println("HTTP server started");

}

void loop() {
server.handleClient();

command = server.arg("State");

/* if(isNumeric(command))
{

val = command.toInt(); // reads the value of the potentiometer (value between 0 and 1023)
// Serial.println("command to int "+val);
val = map(val, 0, 1023, 0, 180); // scale it to use it with the servo (value between 0 and 180)
myservo.write(val); // sets the servo position according to the scaled value

}
*/
}

bool isNumeric(String str)
{
for (byte i=0;i<str.length();i++)
if(isDigit(str.charAt(i)))
{
return true;
}
return false;
}

void HTTP_handleRoot(void)
{

if( server.hasArg("State") )
{
S.println(server.arg("State"));
}
server.send ( 200, "text/html", "" );

}

/////////////////////////////////////////////////////////// arduino code

#include <SoftwareSerial.h>

SoftwareSerial s(2,3); // rx tx

void setup()
{
s.begin(9600);
}

void loop()
{
int data = 1000;
if(s.available()>0)
{
s.write(data);
}
}

////////////////////////circuit connection

node mcu arduino

tx rx

rx tx

/////////////////////////////// arduino out put sent from android app arduino serial --input " a b c d e f g h i j k l m n o p q r s d u v w x y z"

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A

////////////////////////apk link bellow

2

Post your code within code blocks so it can be formatted properly. Most people will not click on a link.

Also, 115200 is probably too fast for a software serial connection. If you need that speed you should probably use a hardware serial connection.

3

thanks