'Serial Bluetooth Terminal' is a line-oriented terminal / console app for microcontrollers arduinos and other devices with a serial / UART interface connected with a bluetooth to serial converter to your android device.

This app supports different bluetooth versions:
- Bluetooth Classic
- Bluetooth LE / Bluetooth Low Energy / BLE / Bluetooth Smart

This app supports different bluetooth devices:
Bluetooth Classic (implementing standard Bluetooth SPP profile):
- HC-05 HC-06 ...
- Raspberry Pi 3
- ...
Bluetooth LE (implementing vendor specific Bluetooth GATT services):
- predefined:
* Nordic Semiconductor nRF51822 … (e.g. BBC micro:bit)
* Texas Instruments CC254x (e.g. HM-10 CC41-A … modules)
* Microchip RN4870/71 BM70/71 'transparent UART service'
* Telit Bluemod
- custom profile:
* TI CC2640 serial service except config characteristics
* Silabls BLE113
* uConnect BLE serial adapter
* ...

All features in this app are free. In-App purchase is only used for the 'Donate' option.

Looking for source code? Here you find simplified variants of this app:
https://github.com/kai-morich/SimpleBluetoothTerminal
https://github.com/kai-morich/SimpleBluetoothLeTerminal