← All projects
Python Beginner

Echo

Python mega project: personal AI voice assistant

Build your own desktop assistant that opens apps, searches the web, reads the news, sets reminders and answers questions — all by voice.

SHIPSTACK · PROJECT Echo Python mega project: personalAI voice assistant Beginner Python 1 Microphone 2 Speech-to-text 3 Command router 4 Voice reply 5 milestones

The scenario

Echo is the project that ties a Python course together: speech recognition, text-to-speech, APIs, files, scheduling and an LLM for open questions. Each skill is a small module you add one at a time, so it grows with you.

System architecture

01 Microphone Wake word
02 Speech-to-text Command
03 Command router Modules or LLM
04 Voice reply Text-to-speech

High-level flow of Echo, from input to output.

What you will learn

  • Structuring a growing Python project
  • Working with APIs and audio
  • Plug-in style command modules

What you will build

  • Voice loop
  • Ten command modules
  • LLM fallback for open questions

Build plan

  1. Voice loop
  2. First five commands
  3. APIs and reminders
  4. LLM fallback
  5. Package it

Tech stack

PythonSpeechRecognitionpyttsx3RequestsOpenAI / Gemini