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Arduino MEGA(ATMega2560) WIFI(ESP8266) Dev Board

৳ 1,750.00 ৳ 1,720.00

It is a customized version of the classic ARDUINO MEGA R3 board. Full integration of Atmel ATmega2560 microcontroller and ESP8266 Wi-Fi IC, with 32 Mb (megabits) of flash memory, and CH340G USB-TTL converter on a single board! All components can be set up to work together or independently.

Microcontroller ATmega2560
IC Wi-Fi  ESP8266
USB-TTL converter CH340G
Power Out 5V-800mA
Power IN. USB 5V (500mA max.)
Power IN. VIN/DC Jack 9-24V
Power Consumption 5V 800mA
Logic Level 5V
Wifi Wi-Fi 802.11 b/g/n 2.4 GHz
USB Micro USB
Clock Frequency 16MHz
Operating Supply Voltage 5V
Digital I/O 54
Analog I/O 16
Memory Size 256kb
Data RAM Type/Size 8Kb
Data ROM Type/Size 4Kb
Interface Type serial\OTA
Operating temperature −40С°/+125С°
Length×Width 53.361×101.86mm

Description

Operating mode is selected by means of DIP switches on-board:

Switch status and mode selection:

  1 2 3 4 5 6 7 8
CH340 connect to ESP8266 (upload sketch) OFF OFF OFF OFF ON ON ON NoUSE
CH340 connect to ESP8266 (connect) OFF OFF OFF OFF ON ON OFF NoUSE
CH340 connect to ATmega2560 (upload sketch) OFF OFF ON ON OFF OFF OFF NoUSE
CH340 connect to Mega2560 COM3 connect to ESP8266 ON ON ON ON OFF OFF OFF NoUSE
ATMega2560 + ESP8266 ON ON OFF OFF OFF OFF OFF NoUSE
All modules work independent OFF OFF OFF OFF OFF OFF OFF NoUSE

Also, have switch for change of connecting port between ATmega2560 and ESP8266

After choosing the mode of the board can proceed to set up the IDE

It is important that when the ESP8266 module is programming, it is necessary to press the button “Mode”


To begin open the Arduino IDE programming environment and go to settings

Then in the window that appears in the row, Additional Boards Manager URLs (marked in red) insert the below link

http://arduino.esp8266.com/stable/package_esp8266com_index.json

for installation in Arduino IDE additional scripts that would work with the modules ESP8266 and click OK

Then go to the Tools> Board> Boards Manager

In the window that appears, scroll through the list down to the script esp8266 by ESP8266 Community and click.

In the lower right corner will be able to select the version of the software, select the version 2.1.0 (the newest) and click the Install button

After installation, close the window and go to Tools> Board and see the list of available devices on the chip programming ESP8266

Next, you need to select the card as shown in the picture (Generic ESP8266 module)

Select the upload speed – 115200

==========test sketch for ATmega2560===========

void setup()

{

Serial3.begin(115200);
pinMode(13,OUTPUT);
delay(500);
Serial3.println(“AT+CIPMUX=1”);
delay(2000);
Serial3.println(“AT+CIPSERVER=1,5000”);
delay(2000);
Serial3.println(“AT+CIPSTO=3600”);
delay(2000);
}

void loop()
{
while(Serial3.available())
{
char Rdata;
Rdata=Serial3.read();
if(Rdata==’A’|Rdata==’a’)
{
digitalWrite(13,HIGH);
delay(50);
}
else if(Rdata==’B’|Rdata==’b’)
{
digitalWrite(13,LOW);
delay(10);
digitalWrite(13,HIGH);
delay(10);
digitalWrite(13,LOW);
}
else
{
digitalWrite(13,LOW);
}
}
}

Additional information

Dimensions 10.186 × 5.3361 cm

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