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For a new project, i need to develop a Bluetooth HID Keyboard, so i searched for the good controller.
I found BCM20735 and BCM20733 are good for making HID keyboard, to connect directly a keyboard matrix.
The problem is that i can't find much help for these products like a developement kit, hardware and routing preconisation and, more important, code example to scan a matrix and get a HID Bluetooth keyboard recognized by the host.