nodejs

Programming practice for nodejs and react application

1. Pure JavaScript Applications (now in separate repositories)

• metronome -- simple metronome using React and Web Audio API
• presentimer -- presentation timer (keep time of talk and Q and A)
• variableplayer -- variable pitch/speed player

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2. feedbackBooster (now in a separate repository)

• User Interface for Feedback Booster written in Java
• Java program runs on the JavaScript express server
• JavaScript Client

client -- UI Only client/src -- client Javascript source code

index.js -- Web application server (express) config -- server key and password hash (user: admin password: admin) server

java -- Java module FeedbackBoosterNoGUI.jar (compiled) src/ Java source code and Makefile

How To Use Guitar amp microphone | V PC (Linux/Windows etc.) with Java VM (java command) -- audio Interface : | Web Browser (PC or smart phone) V vibration speaker (exciter) taped on E. Guitar
(headphone for test)

1. compile Java code (or use FeedbackBoosterNoGUI.jar)

   npm run javac

2. set up client Javascript file

   npm run bundle

3. start web server

   npm start

4. start web browser

   https://localhost:3000/ https://ipV4address:3000/ https://[::1]:3000/ https://[ipV6address:3000/

   Add exception for the self-signed server certificate

5. login with admin, admin (first time) (or JSON Web Token)

6. start application

   Select Input port and Output port Player control: bypass or process (the program starts on the server)