There are 6 repositories under bluetooth-hid topic.
Windows Precision Touchpad Driver Implementation for Apple MacBook / Magic Trackpad
Authorizer is a Password Manager for Android. It emulates an HID keyboard over USB and enters your credentials on your target device. Additionally it supports OTP :key::mobile_phone_off:
An application to control your pc,mac,tv,ipad etc as a mouse or keyboard from your android device using the Bluetooth HID Device profile in Android 9(Pie) & above devices
Curated list of resources relating to the WebHID (Human Interface Device) API
Glorified Bluetooth macro keyboard with machine learning (TensorFlow Lite for Microcontrollers) running on an ESP32.
Bluetooth HID proxy is implemented using Arduino. Make a Bluetooth keyboard or mouse (WIP) work in BIOS or device without BT stack (e.g. TMK USB to USB Converter)
use your smartphone as a normal computer mouse
ESP32 Bluetooth Remote Shutter for a Smartphone Camera
ESP32 Bluetooth HID Arduino library with DualShock 4 example
Revision 2.0 of USB Host Library for Arduino that specializes in BTHID.
Cross-platform library to create HID devices: Linux, Arduino, USB, I2C, TCP, etc