Hello, I'm a hardware developer and have created a very affordable braille display device cell. Using that I have made a braille display with 10 cells (6 dots type) and with 6 dots input with space and enter key buttons also included. Also included a joystick navigation. The connection interface proposed to be used is Bluetooth. I want to make this device for poor blind people who cannot afford expensive braille displays. The main purpose will be to be used with Android phones via BRLTTY accessibility feature via bluetooth connection. Please guide me on the following, 1) Which Bluetooth to be used ( Classic or BLE) 2) How to program my bluetooth to communicate with BRLTTY 3) Also if there are libraries that can be used on my device to connect and communicate automatically with Android via bluetooth and BRLTTY accessibility .
Thanks in advance! Warm Regards, Jagdish
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