Revisions to ESP8266 not working properly

Bumped by Community user

occurred Feb 6, 2018 at 13:41

Bumped by Community user

occurred Dec 26, 2017 at 19:10

Bumped by Community user

occurred Nov 13, 2017 at 13:02

Bumped by Community user

occurred Oct 14, 2017 at 12:59

added 158 characters in body

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edited Sep 13, 2017 at 20:53

Alberto Carmona

141
3

It's the first time I use an ESP8266 and I didn't manage to get a proper response in the Arduino serial monitor. I only see weird characters, when I move the 3.3V wire.

You can see the connections in the following picture:

The code I run is the following one:

#include <SoftwareSerial.h>
SoftwareSerial BT1(3, 2); // RX | TX

void setup()
{
    Serial.begin(115200);
    BT1.begin(115200);
}

void loop()
{
    String B= ".";
    if (BT1.available())
    {
        char c = BT1.read();
        Serial.print(c);
    }
    if (Serial.available())
    {
        char c = Serial.read();
        BT1.print(c);
    }
}

Maybe it's something really stupid. I am a total beginner, so I appreciate any help.

EDIT: I think power supply is 3.3V

SOLUTION: the problem was the power supply. I tried exactly the same using the 3.3V from the arduino instead of the power supply and it works perfectly!

It's the first time I use an ESP8266 and I didn't manage to get a proper response in the Arduino serial monitor. I only see weird characters, when I move the 3.3V wire.

You can see the connections in the following picture:

The code I run is the following one:

#include <SoftwareSerial.h>
SoftwareSerial BT1(3, 2); // RX | TX

void setup()
{
    Serial.begin(115200);
    BT1.begin(115200);
}

void loop()
{
    String B= ".";
    if (BT1.available())
    {
        char c = BT1.read();
        Serial.print(c);
    }
    if (Serial.available())
    {
        char c = Serial.read();
        BT1.print(c);
    }
}

Maybe it's something really stupid. I am a total beginner, so I appreciate any help.

EDIT: I think power supply is 3.3V

It's the first time I use an ESP8266 and I didn't manage to get a proper response in the Arduino serial monitor. I only see weird characters, when I move the 3.3V wire.

You can see the connections in the following picture:

The code I run is the following one:

#include <SoftwareSerial.h>
SoftwareSerial BT1(3, 2); // RX | TX

void setup()
{
    Serial.begin(115200);
    BT1.begin(115200);
}

void loop()
{
    String B= ".";
    if (BT1.available())
    {
        char c = BT1.read();
        Serial.print(c);
    }
    if (Serial.available())
    {
        char c = Serial.read();
        BT1.print(c);
    }
}

Maybe it's something really stupid. I am a total beginner, so I appreciate any help.

EDIT: I think power supply is 3.3V

SOLUTION: the problem was the power supply. I tried exactly the same using the 3.3V from the arduino instead of the power supply and it works perfectly!

Picture of power supply

Source Link

edited Sep 13, 2017 at 20:12

Alberto Carmona

141
3

It's the first time I use an ESP8266 and I didn't manage to get a proper response in the Arduino serial monitor. I only see weird characters, when I move the 3.3V wire.

You can see the connections in the following picture:

The code I run is the following one:

#include <SoftwareSerial.h>
SoftwareSerial BT1(3, 2); // RX | TX

void setup()
{
    Serial.begin(115200);
    BT1.begin(115200);
}

void loop()
{
    String B= ".";
    if (BT1.available())
    {
        char c = BT1.read();
        Serial.print(c);
    }
    if (Serial.available())
    {
        char c = Serial.read();
        BT1.print(c);
    }
}

Maybe it's something really stupid. I am a total beginner, so I appreciate any help.

EDIT: I think power supply is 3.3V

It's the first time I use an ESP8266 and I didn't manage to get a proper response in the Arduino serial monitor. I only see weird characters, when I move the 3.3V wire.

You can see the connections in the following picture:

The code I run is the following one:

#include <SoftwareSerial.h>
SoftwareSerial BT1(3, 2); // RX | TX

void setup()
{
    Serial.begin(115200);
    BT1.begin(115200);
}

void loop()
{
    String B= ".";
    if (BT1.available())
    {
        char c = BT1.read();
        Serial.print(c);
    }
    if (Serial.available())
    {
        char c = Serial.read();
        BT1.print(c);
    }
}

Maybe it's something really stupid. I am a total beginner, so I appreciate any help.

It's the first time I use an ESP8266 and I didn't manage to get a proper response in the Arduino serial monitor. I only see weird characters, when I move the 3.3V wire.

You can see the connections in the following picture:

The code I run is the following one:

#include <SoftwareSerial.h>
SoftwareSerial BT1(3, 2); // RX | TX

void setup()
{
    Serial.begin(115200);
    BT1.begin(115200);
}

void loop()
{
    String B= ".";
    if (BT1.available())
    {
        char c = BT1.read();
        Serial.print(c);
    }
    if (Serial.available())
    {
        char c = Serial.read();
        BT1.print(c);
    }
}

Maybe it's something really stupid. I am a total beginner, so I appreciate any help.

EDIT: I think power supply is 3.3V

Tweeted twitter.com/StackArduino/status/908050471197319168

occurred Sep 13, 2017 at 19:31

formatting

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edit approved Sep 13, 2017 at 14:29

gre_gor

1.7k
4
18
30

It´sIt's the first time I use aan ESP8266 and I don´tdidn't manage to get a proper response in the arduino consoleArduino serial monitor. I only see weird characters, when I move the 3.3V wire.

You can see the connectionconnections in the following picture:

The code I run is the following one:

#include <SoftwareSerial.h>
SoftwareSerial BT1(3, 2); // RX | TX

void setup()
{
  {  Serial.begin(115200);
     BT1.begin(115200);
  }

void loop()
{
  {  String B= "." ;";
    if (BT1.available())
     {
        char c = BT1.read() ;
        Serial.print(c);
     }
    if (Serial.available())
     {
        char c = Serial.read();
        BT1.print(c);
     }
   }

Maybe it´sit's something really stupid. I am a total beginner, so I appreciate any help. Many thanks in advance!

It´s the first time I use a ESP8266 and I don´t manage to get a proper response in the arduino console. I only see weird characters when I move the 3.3V wire.

You can see the connection in the following picture:

The code I run is the following one:

#include <SoftwareSerial.h>
SoftwareSerial BT1(3, 2); // RX | TX

void setup()
  {  Serial.begin(115200);
     BT1.begin(115200);
  }

void loop()
  {  String B= "." ;
 if (BT1.available())
     { char c = BT1.read() ;
       Serial.print(c);
     }
 if (Serial.available())
     {  char c = Serial.read();
        BT1.print(c);
     }
   }

Maybe it´s something really stupid. I am a total beginner so I appreciate any help. Many thanks in advance!

It's the first time I use an ESP8266 and I didn't manage to get a proper response in the Arduino serial monitor. I only see weird characters, when I move the 3.3V wire.

You can see the connections in the following picture:

The code I run is the following one:

#include <SoftwareSerial.h>
SoftwareSerial BT1(3, 2); // RX | TX

void setup()
{
    Serial.begin(115200);
    BT1.begin(115200);
}

void loop()
{
    String B= ".";
    if (BT1.available())
    {
        char c = BT1.read();
        Serial.print(c);
    }
    if (Serial.available())
    {
        char c = Serial.read();
        BT1.print(c);
    }
}

Maybe it's something really stupid. I am a total beginner, so I appreciate any help.

Source Link

asked Sep 12, 2017 at 22:29

Alberto Carmona

141
3

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