Arduino Uno(ATMega328p) WIFI (ESP 8266) 8MB flash

৳ 1,050.00

It is a customized version of the classic ARDUINO UNO R3 board. Full integration of microcontroller Atmel ATmega328 and IC Wi-Fi ESP8266 with 8 MB flash memory, and USB-TTL converter CH340G on one board. All modules can work together or independently.

Specifications

Microcontroller ATmega328
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 14
Analog I/O 6
Memory Size 8Mb
Interface Type serial\OTA
Operating temperature −40С°/+125С°
Length×Width 53.34×68.58mm
Weight 8
antenna Buil-in\external antenna

 

 

Description

On the board where the switch of mode of operation with 8 position

1.png

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 ATmega328 (upload sketch) OFF OFF ON ON OFF OFF OFF NoUSE
Mega328+ESP8266 ON ON OFF OFF OFF OFF OFF NoUSE
All modules work independent OFF OFF OFF OFF OFF OFF OFF NoUSE

 

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

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

2.jpg

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

3.png

Then in the window that appears in the row Additional Boards Manager URLs (marked in red) insert http://arduino.esp8266.com/stable/package_esp8266com_index.json link for installation in Arduino IDE additional scripts that would work with the modules ESP8266, and click OK

4.png

Then go to the Tools> Board> Boards Manager

5.png

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

6.png

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

7.png

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

8.png

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

9.png

Select the upload speed – 115200

 

10.png

==========test sketch===========

void setup()

{ Serial.begin(115200);

pinMode(14,OUTPUT);

delay(500);

Serial.println(“AT+CIPMUX=1”);

delay(2000);

Serial.println(“AT+CIPSERVER=1,5000”);

delay(2000);

Serial.println(“AT+CIPSTO=3600”);

delay(2000); }

void loop()

{ while(Serial.available())

{ char Rdata;

Rdata=Serial.read();

if(Rdata==’A’|Rdata==’a’)

{ digitalWrite(14,HIGH);

delay(50); }

else if(Rdata==’B’|Rdata==’b’)

{ digitalWrite(14,LOW);

delay(10);

digitalWrite(14,HIGH);

delay(10);

digitalWrite(14,LOW); }

else

{ digitalWrite(14,LOW); } } }

Additional information

Weight 0.008 kg
Dimensions 5.334 × 6.858 cm

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