Build Your Own AI Voice Assistant with ESP32 for Under
🤖 Why ESP32?
ESP32 is a microcontroller with built-in Wi-Fi + Bluetooth, costing around -5 USD. It's the go-to board for IoT projects in 2026.
The hot trend this year: connecting ESP32 to AI voice assistants like ChatGPT. Now anyone can build their own voice assistant on a budget.
🧰 What You Need
- ESP32 board (~-5)
- MEMS microphone (e.g., INMP441 or MAX9814)
- Speaker or Buzzer
- Wi-Fi connection
💡 Project Ideas
ESP32 supports ESP-NOW for short-range wireless relay control without internet, and can easily send data to the cloud via Wi-Fi.
Beginner-friendly projects:
- Simple weather station with ESP32 + DHT22 sensor, displaying on OLED screen
- Voice-controlled fans, lights, or automated plant watering
🔗 Learn More
This article is part of Bit to Build — maker and technology content
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