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Morse Code Translator (ESP8266 + SPIFFS)

A lightweight and interactive Morse code translator that runs entirely from a NodeMCU (ESP8266) using SPIFFS. Type a message into the web interface, and the microcontroller will play it in real-time using a buzzer.

Features

  • Self-hosted web app served directly from NodeMCU via SPIFFS
  • Text input based UI
  • Plays Morse code through a buzzer
  • Clean, electronics-themed frontend
  • Fully offline-capable once uploaded

🔧 Tools & Tech

  • ESP8266 NodeMCU
  • SPIFFS (ESP8266 Filesystem)
  • HTML/CSS/JS for frontend
  • Arduino IDE for firmware
  • Optional: ESP8266FS Upload Tool to flash web assets

How to Upload (Using Arduino IDE)

1. Install ESP8266 & SPIFFS Tools

  • Install ESP8266 Board via Board Manager
  • Add SPIFFS plugin (for Arduino 1.8.x only) → Plugin Guide

2. Upload the Web UI

  1. Place index.html, style.css, and script.js inside a data/ folder in your sketch directory
  2. In Arduino IDE, go to:
    Tools → ESP8266 Sketch Data Upload

3. Upload the Sketch

Upload morseCodeTranslator_SPIFFS.ino as usual

Accessing the Web App

  1. Open the Serial Monitor
  2. Note the IP address (e.g. 192.168.x.x)
  3. Open a browser and go to: 
    http://192.168.x.x/

Type your message and press "Send" — the buzzer will beep out the Morse code!

Developed By

Divyatwa Kirnapure
A fun, hands-on project to blend IoT, embedded systems, and user interface design.
Built with passion and patience!