Due to personal reason, I won't be able to improve this project for the time being. And since the npm name conflicts with https://github.com/rusel1989/react-native ...

The primary components used in this project include an ATmega328 microcontroller, a 16x2 I2C display, and an HC-05 Bluetooth module. The system allows seamless text communication through a Bluetooth ...

The HC-05, a Bluetooth to serial bridge, can be found for around ... especially if you will be using modules from different sources. They don’t always come with the same firmware.

A serial monitor is a tool that allows you to send and receive data between your computer and your Bluetooth module via a serial port. Some common software tools are Arduino IDE, MPLAB X IDE ...

An Arduino mini pro provides the brains. A FT-232 USB to serial board is used to program the Arduino. A standard Bluetooth module has to have HID firmware installed. [Dastardly] makes a homemad ...

This works well if your board connects to your computer via a USB cable and a USB-to-serial chip, but some applications might require a wireless option. Fortunately, Bluetooth modules like the HC-05 ...