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Bluetooth with MicroPython - ESP32

Networking Last Updated: January 11, 2026
Tutorial illustration

Introduction

Implement Bluetooth communication with MicroPython on ESP32. This comprehensive tutorial will guide you through everything you need to know with step-by-step instructions, code examples, and practical applications.

What You'll Learn

Required Components

  • ESP32 or ESP8266 development board
  • USB cable for programming
  • Jumper wires and breadboard
  • Additional components specific to this project
Tutorial example
Tutorial example

Code Implementation

Here's the complete MicroPython code for this tutorial:

# MicroPython Code Example
from machine import Pin
import time

# Initialize hardware
print("Starting Bluetooth with MicroPython - ESP32...")

# Main application loop
while True:
    # Your code here
    time.sleep(1)

Testing and Usage

Follow these steps to test your implementation:

  1. Upload the code to your ESP32/ESP8266 using Thonny IDE
  2. Open the Serial Monitor to view output
  3. Verify the expected behavior
  4. Test all features and functions

Troubleshooting

  • Ensure your board is properly connected via USB
  • Verify that MicroPython firmware is installed correctly
  • Check all wire connections match the circuit diagram
  • Restart the board if code doesn't run automatically

Next Steps

Now that you've completed this tutorial, you can:

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