WeMos TTGO ESP8266 WiFi Chip with 0.91″ OLED CP2014 ESP8266 WiFi Module for Arduino

Description

What it is

The WeMos TTGO ESP8266 is a WiFi module for Arduino featuring a small OLED screen. It allows integrating network functionalities into Arduino projects, making them interconnected and capable of interacting with the internet.

Features

• Chipset: ESP8266
• Display: OLED 0.91 inch CP2014
• Connectivity: WiFi
• Compatibility: Arduino

What it is for

The module is ideal for IoT projects, such as creating wireless sensors, remote-controlled devices, or monitoring systems. You can use libraries like ESPWebServer to develop simple web applications, such as a website with a button that sends a message when pressed.

Tutorial: How to use WeMos TTGO

The WeMos TTGO is a WiFi module for Arduino ideal for projects requiring internet connectivity. Useful for beginners and intermediates, it serves to integrate network features into your projects.

What you need

• WeMos TTGO
• Arduino IDE
• PC with internet connection
• USB cable

Steps

1. Download and install Arduino IDE.
2. Connect WeMos TTGO to PC with USB cable.
3. Open a new sketch in Arduino IDE.
4. Insert #include <WiFi.h> to include the WiFi library.
5. Create variables for your WiFi password and name.
6. Write connectWiFi() to connect the module.
7. Test the connection with Serial.print.
8. Save and upload the code to WeMos TTGO.

Example code

```
#include <WiFi.h>

const char* ssid = "TUO_SSID";
const char* password = "TUO_PSW";

void setup() {
  Serial.begin(115200);
  WiFi.begin(ssid, password);
  Serial.println("Connessione WiFi..." );
}

void loop() {
  if (WiFi.status() == WL_CONNECTED) {
    Serial.println("Connesso a WiFi");
    break;
  }
}
```

Mini project

Create a simple web site with a button that sends a message when pressed. Use a library like ESPWebServer.

Common mistakes

• Forgot to include the WiFi library.
• Incorrect WiFi password or name.
• USB connection error.
• Incorrect code in the sketch.

Recommended accessories

• ESPWebServer for Arduino
• Push button
• OLED display for visualization
• Various types of sensors

Frequently asked questions

How do I connect to the Internet?
Enter the WiFi data in your code and connect the module.

Which versions of Arduino IDE work?
I use the latest version for security.

What are the minimum requirements for the PC?
A PC with internet connection and Arduino IDE installed.

Can I use this module with other microcontrollers?
No, it only works with Arduino.