Bluetooth HC-05 master-slave configuration using CircuitPython

Introduction

To allow 2x Bluetooth modules to communicate with each other, we need to set the module to master and slave modes. In this tutorial I will show how to do the setup using CircuitPython.

Video

Hardware Preparation

This is the list of items used in the video.

• Maker Pi Pico
• Bluetooth Serial Transceiver HC-05
• USB Micro B Cable
• Grove 4 Pin Buckled to Female Cable

Sample Program

This is CircuitPython sample program. It has been tested using CircuitPython 7.3.0.

Thank You

References:

• How To Configure and Pair Two HC-05 Bluetooth Modules as Master and Slave
• CircuitPython Documentation: busio UART

Thanks for reading this tutorial. If you have any technical inquiries, please post at Cytron Technical Forum.

"Please be reminded, this tutorial is prepared for you to try and learn.
You are encouraged to improve the code for a better application."