Arduino ESP 8266 User Manual

ESP8266 Quickstart Guide
5
Please note: (Solution example provided at the end of document)
• Arduino 8266 LED_BUILTIN:
• DigitalWrite HIGH -> LED off;
• DigitalWrite LOW -> LED on;
Part 4: Morse your name
14. Alter the blink program to Morse your name. Save the Blink program with name:
”Morse_NAME_yourname”
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Arduino ESP 8266 Specifications

General

Microcontroller	ESP8266
Operating Voltage	3.3V
Flash Memory	4MB
Wi-Fi	802.11 b/g/n
Analog Input Pins	1
Clock Speed	80 MHz

Summary

Setting up the Arduino Environment

Add ESP8266 Board Manager URL

Add the ESP8266 board manager URL to Arduino IDE preferences for installing ESP8266 boards.

Configuring Arduino IDE for ESP8266

Install ESP8266 Board Libraries

Install the ESP8266 board package via the Arduino IDE's Board Manager.

Select NodeMCU Board

Choose the NodeMCU 0.9 (ESP-12 Module) from the Arduino IDE board selection menu.

Select Correct COM Port

Identify and select the correct serial port for your Arduino board in the IDE.

Configure Upload Speed

Set the upload speed for programming the ESP8266 board in the IDE.

Running the Blink Program

Load Blink Example Sketch

Open the default Blink example sketch from the Arduino IDE's examples menu.

Understand Blink Sketch Functionality

Analyze the Blink sketch code and verify the LED blinking behavior.

Morse Code Programming

Implement Morse SOS Program

Modify the Blink sketch to create a Morse code SOS signal.

Implement Morse Name Program

Adapt the Blink sketch to transmit your name using Morse code.

Appendix: MAC User Setup

Install MAC USB Driver

Download and install the necessary USB-UART driver for macOS users.