sime / morse-transmitter

A PWA morse code transmitter.

Morse Code Transmitter App

A progressive web app that lets you send messages via morse code.

1. Works offline
2. Can send as audio, flashing your screen, or your camera's torch (on Android Chrome)

Screenshots

Tasks:

• App Shell / Styling
• Screen Output
• Proper timing
• Cancelling + No uncaught exceptions
• Words Per Minute <-> Dot Time: [https://en.wikipedia.org/wiki/Morse_code#Speed_in_words_per_minute]
• Torch Output
  • [https://stackoverflow.com/questions/37848494/is-it-possible-to-control-the-camera-light-on-a-phone-via-a-website]
• PWA
  • Cache Assets
  • App Manifest
    • Icons (Testing)
  • Persist settings in local storage
  • Persist input in session storage
  • Redirect HTTP to HTTPS (Vercel does this automatically)
• Audio Output
  • Fix audio click / glitching (OfflineAudioContext prerendering?)

Misc.

• Would using the web animation be better for controlling blinks? I don't think it would be.
• Bundling / asset optimization

State Machine