ESP32 + ChatGPT: Type a Question, Hear the AI Answer (TTS Project)
In this project, I built a system where an ESP32 connects to ChatGPT, sends a question typed via the Serial Monitor, and plays the AI-generated answer out loud through a speaker using Text-to-Speech (TTS).
The ESP32 connects to WiFi, communicates with OpenAI’s ChatGPT API, parses the JSON response, and streams the spoken answer using an amplifier and speaker setup — no extra hardware beyond an ESP32, amplifier, and speaker.
What this project covers:
• Connecting an ESP32 to WiFi and APIs
• Sending questions to ChatGPT and receiving responses
• Using free Text-to-Speech to play responses via a speaker
• Building a simple AI-powered talking device
Technologies Used:
• ESP32 with WiFi
• OpenAI ChatGPT API
• Arduino IDE and programming
• Audio streaming over I2S protocol
Libraries:
• WiFi.h
• HTTPClient.h
• ArduinoJson.h
• ESP32 Audio.h
This is a first step towards a full voice-interactive system — future updates will add Speech-to-Text capabilities.
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Code: https://github.com/kidzsciencekorner/...
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