Serial Wi-Fi Module



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Serial To WIFI Module

Want to connect your microcontroller based project via WIFI to PC, Laptop or mobile? Well this is the perfect module for you. This is a transparent serial to wifi module which can help you connect any micro-controller with serial output via wifi to your PC or mobile. It can also be connected easily to your existing wifi network. This serial to Wifi Module has TTL interface so it can be connected directly to any Microcontroller. This is a perfect module for converting your simple microcotroller based product into Internet of Things (IOT) product.

module is 802.11 b/g/n embedded wi-fi module,which can connected any equipment with a serial port for data transmission. It can work as TCP clinet/TCP server/UDP to send data from UART to WIFI or WIFI to Serial in LAN or remote server.

Features of  Serial to WIFI Module

  • Support IEEE802.11b/g/n Wireless Standards
  • Support WIFI2.4 GHz, support WEP, WPA/WPA2 security mode.
  • Based on Self-developed High Performance MCU
  • Ultra-Low-Power for Battery Applications with Excellent Power Save Scheme
  • Support UART Data Communication Interface
  • Support Work As STA/AP/AP+STA Mode
  • Support SmartLink Function (APP program provide)
  • Support Wireless Upgrade Function
  • Support WPS Function
  • Support Multi-TCP Link (5 Channel) Apllication
  • Support External Antenna 
  • Single +3.3V Power Supply
  • Smallest Size
  • FCC/CE Certificated

Hardware Features of  Serial to WIFI Module

  • Data Interface: UART, PWM, GPIO
  • Operating Voltage 2.8~3.6V
  • Operating Current 
  • Continuous TX: ~200mA
  • Normal Mode: Average: ~12mA,Peak: 200mA
  • Standby: <200uA
  • Operating Temp. -40℃ ~ 85℃ (industrial)
  • Storage Temp.-45℃- 125℃
  • Size 22mm x 13.5mm x 6mm
  • External Interface: 1x10, 2mm Pin

comp-32-Wi-Fi.jpg


this module is used to use in variouse android based projects here we have given an example of Android based home automation using wifi the circuit diagram is given below



comp-32-circuit diagram.PNG


Interfacing code 

 

 

int led1 = 2;

int led2 = 3;

int led3 = 4;

int led4 = 5;


int state;

int flag=0;       

void setup()

{

    pinMode(led1, OUTPUT);

    pinMode(led2, OUTPUT);

    pinMode(led3, OUTPUT);

    pinMode(led4, OUTPUT);

   

Serial.begin(9600);

}

void loop() {

    if(Serial.available() > 0)

    {    

      state = Serial.read();  

      flag=0;

    }  

    if (state == '1')

    {

       digitalWrite(led1, HIGH);

       if(flag == 0){

        Serial.println("Signal 1 is ON");

          flag=1;

        }

    }

  

   else if (state == '2')

    {

        digitalWrite(led2, HIGH);

        if(flag == 0){

        Serial.println("Signal 2 is ON");

        flag=1;

        }

    }

    else if (state == '3')

    {

        digitalWrite(led3, HIGH);

        if(flag == 0){

        Serial.println("Signal 3 is ON");

        flag=1;

        }

    }

    else if (state == '4')

    {

        digitalWrite(led4, HIGH);

        if(flag == 0){

        Serial.println("Signal 4 is ON");

        flag=1;

        }

    }

   

    else if (state == 'a')

    {

        digitalWrite(led1, LOW);

        if(flag == 0){

         Serial.println("Signal 1 is OFF");

         flag=1;

        }

    }

    else if (state == 'b')

    {

        digitalWrite(led2, LOW);

        if(flag == 0){

          Serial.println("Signal 2 is OFF");

          flag=1;

        }

    }

   else if (state == 'c')

    {

        digitalWrite(led3, LOW);

        if(flag == 0){

          Serial.println("Signal 3 is OFF");

          flag=1;

        }

    }

  else if (state == 'd')

    {

       digitalWrite(led4, LOW);

        if(flag == 0){

          Serial.println("Signal 4 is OFF");

          flag=1;

        }

    }

   

}

 


use this following android application available on playstore.

-Simple socket tester.PNG



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