Connecting to your Project

Originally this app was designed to interface to your projects using Bluetooth Classic, however, Bluetooth Low Energy and USB can now also be used.

From the main screen, click on Connect, then select the connection method followed by Next to enter the relevant connection screen.

Note that not all methods will be available on all devices. If an option is not available, it will be greyed out.

Bluetooth Classic

Connect to your project using Classic Bluetooth modules (e.g. HC-05, HC-06).

Bluetooth Classic is ideal for continuous serial communication between two devices.

Bluetooth Low Energy

Connect to your project using Bluetooth Low Energy modules (e.g. HC-08, BT-05).

Bluetooth Low Energy (BLE), works differently to Bluetooth Classic. Bluetooth Low Energy can be thought of as a notice board with lots of (typically 20 byte) notices (called characteristics). Multiple devices can connect to the BLE device and read or write on the notice board. By reading and writing on one of the characteristics, we can emulate serial communication. If you use BLE modules, keep this in mind and try to keep each message to under 20 bytes to reduce the chance of loosing data. BLE is more suitable for low power sensor type applications rather than the continuous serial communication done here with these Bluetooth UART modules.

USB

Connect your project using the micro USB port of your Android device. It is also an easy way to supply a small amount of power to your project.

Requires a USB to Serial chip already on your project device (e.g. the Mega16Uu2 on Arduino UNO), or a USB-Serial breakout board.

Note that using USB requires USB Host capability on your Android device and a suitable On The Go (OTG) cable to connect through to your project.