Although I wanted to learn everything about Bluetooth to use it, I just connected it to my Arduino and used a serial terminal program on my computer or phone and I could send serial data. Very happy with the board. For my Android I use "Serial Bluetooth Terminal" which is great and on PC I use BlueDuino which works. A NOTICE. It's Bluetooth, not BLE. Also don't forget to swap TX and RX between HC-05 and Arduino.
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