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Arduino UNO R3 with Integrated WiFi Module

Original price was: 650,00 EGP.Current price is: 600,00 EGP.

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Description

The Arduino UNO R3 with Integrated WiFi Module is a variant of the classic Arduino UNO board, featuring built-in Wi-Fi connectivity. This combination makes it ideal for Internet of Things (IoT) projects, where you can control and monitor devices over the internet or a local network. The integrated Wi-Fi module typically used with these boards is the ESP8266 or ESP32, both of which are low-cost, powerful Wi-Fi modules.

Key Features of the Arduino UNO R3 with Integrated Wi-Fi Module:

  1. Arduino UNO R3 Base:

    • The board is based on the ATmega328P microcontroller (same as the standard Arduino UNO), which offers:
      • 14 Digital I/O pins (6 PWM pins)
      • 6 Analog Input pins
      • 32KB of Flash memory
      • 2KB SRAM
      • 1KB EEPROM
      • 16 MHz clock speed
  2. Built-in Wi-Fi:

    • The Wi-Fi module (typically ESP8266 or ESP32) is integrated into the board, providing Wi-Fi connectivity.
      • ESP8266: A popular Wi-Fi module that can connect to Wi-Fi networks and handle communication with web servers.
      • ESP32: A more powerful version of the ESP8266, with added features such as Bluetooth support, better processing power, and additional I/O pins.
  3. I2C/SPI Communication:

    • The board can communicate with other sensors or modules via I2C or SPI protocols, facilitating interaction with a wide range of devices.
  4. Power Options:

    • It can be powered via USB or through an external Vin pin (6V to 12V).
    • The integrated Wi-Fi module may require more current, especially when transmitting data, so ensure that the power supply can handle the additional load.
  5. USB-to-Serial Communication:

    • The USB port (via the CH340 or ATmega16U2) is used for programming the Arduino and for serial communication with the computer.
  6. Integrated Antenna (ESP8266/ESP32):

    • The Wi-Fi module comes with an integrated antenna (or an optional external antenna), depending on the module used, ensuring that the board can connect to a wireless network.
  7. Arduino IDE Compatibility:

    • The board is compatible with the Arduino IDE for programming, making it easy to write code, upload sketches, and monitor serial output.
    • Wi-Fi libraries such as ESP8266WiFi or WiFi.h (for ESP32) are available for making network connections and communication easier.

Pinout of the Arduino UNO R3 with Integrated WiFi Module:

The pinout for the Arduino UNO R3 with Integrated WiFi is similar to the standard Arduino UNO, but with the addition of the Wi-Fi module’s pins.

  • ATmega328P Microcontroller:

    • 14 Digital I/O Pins: D0 to D13 (6 can be used for PWM)
    • 6 Analog Input Pins: A0 to A5
    • 3.3V: 3.3V output pin (used by the Wi-Fi module)
    • 5V: 5V output (for powering external sensors or modules)
    • GND: Ground
    • SCL/SDA: I2C communication pins (A5/A4 by default)
    • TX/RX: Serial communication pins (D0/D1)
  • Wi-Fi Module (ESP8266/ESP32):

    • GPIO Pins: General-purpose I/O pins for handling additional sensors or devices.
    • TX/RX: Used for communication with the ATmega328P.
    • Reset/Enable: Used for controlling the reset state of the Wi-Fi module.

Setting Up the Arduino UNO with Wi-Fi (ESP8266/ESP32):

  1. Install the Arduino IDE:

    • Download and install the Arduino IDE from the official Arduino website.
  2. Install the ESP8266/ESP32 Board in Arduino IDE:

    • ESP8266:
      • Go to File > Preferences in the Arduino IDE.
      • In the Additional Board Manager URLs field, add: http://arduino.esp8266.com/stable/package_esp8266com_index.json
      • Then, go to Tools > Board > Boards Manager, search for “ESP8266”, and install it.
    • ESP32:
      • In the Additional Board Manager URLs, add: https://dl.espressif.com/dl/package_esp32_index.json
      • Then, go to Tools > Board > Boards Manager, search for “ESP32”, and install it.
  3. Select the Correct Board:

    • Go to Tools > Board and select “Arduino UNO” (for the base UNO controller) or select the corresponding board if it’s an ESP8266 or ESP32 variant.
    • Select the appropriate Port under Tools > Port.
  4. Programming the Board:

    • Once the libraries are installed and the board is set up, you can start writing code to use the Wi-Fi functionality.

Example Code for Wi-Fi Connectivity (ESP8266/ESP32):

Here’s a simple example to connect your Arduino to a Wi-Fi network using the ESP8266 module:

cpp
#include // Include the WiFi library for ESP8266

const char* ssid = "yourSSID"; // Replace with your Wi-Fi network name
const char* password = "yourPassword"; // Replace with your Wi-Fi password

void setup() {
Serial.begin(115200); // Start serial communication
delay(10);

// Connect to Wi-Fi
WiFi.begin(ssid, password);

// Wait for the connection to be established
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}

// Print the IP address once connected
Serial.println("");
Serial.println("Connected to Wi-Fi");
Serial.print("IP Address: ");
Serial.println(WiFi.localIP());
}

void loop() {
// The main loop does nothing in this simple example
}

How It Works:

  • ESP8266WiFi.h: This library is used to connect to Wi-Fi and perform related operations like connecting, disconnecting, and retrieving the IP address.
  • WiFi.begin(ssid, password): This command starts the process of connecting to the Wi-Fi network.
  • WiFi.localIP(): After successfully connecting, this function returns the IP address assigned to the device.

Example Code for Web Server (ESP8266/ESP32):

You can also use the Wi-Fi module to set up a simple web server that you can control from a browser.

cpp
#include

const char* ssid = "yourSSID"; // Replace with your network credentials
const char* password = "yourPassword";

WiFiServer server(80); // Set up the server on port 80 (HTTP)

void setup() {
Serial.begin(115200);
delay(10);

// Connect to Wi-Fi
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}

Serial.println("Connected to Wi-Fi");
Serial.print("IP Address: ");
Serial.println(WiFi.localIP());

// Start the server
server.begin();
}

void loop() {
WiFiClient client = server.available(); // Listen for incoming clients

if (client) {
Serial.println("New client connected");

// Send a basic web page to the client
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("");
client.println("Welcome to Arduino WiFi Server");

client.stop(); // Close the connection
Serial.println("Client disconnected");
}
}

Applications of Arduino UNO R3 with Integrated Wi-Fi:

  1. IoT Projects:

    • Control devices, sensors, and actuators remotely over Wi-Fi from a smartphone, tablet, or computer.
  2. Home Automation:

    • Automate home appliances and monitor systems via web interfaces or mobile apps.
  3. Wireless Sensor Networks:

    • Use multiple Wi-Fi-enabled Arduino boards to create sensor networks for environmental monitoring, security systems, and more.
  4. Web Servers:

    • Host simple web pages or APIs for controlling or monitoring systems remotely.
  5. Data Logging:

    • Send data from sensors to cloud-based services or databases for storage and analysis.

Customer Reviews

Specification

Overview

Weight Weight 0,0000 g
Dimensions 0,00 × 0,00 × 0,00 mm

Specification

Microcontroller:

ATmega328P

WiFi Module:

Integrated (specific model may vary)

Digital I/O Pins:

14 (6 PWM outputs)

Analog Input Pins:

6

Flash Memory:

32 KB (of which 0.5 KB used by bootloader)

SRAM:

2 KB

EEPROM:

1 KB

Operating Voltage:

5V

Input Voltage:

7-12V