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pihidproxy

Bridge Bluetooth keyboard and mouse to USB (hid proxy)

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If you have a bluetooth keyboard, you can't access BIOS or OS without a BT stack. This project acts as a bridge so the PC only sees a USB keyboard and so works without drivers. It works by copying keypresses from the bluetooth keyboard to the piZero's USB.

Requirements:

Raspberry Pi Zero Bluetooth keyboard

Initial setup:

echo "dtoverlay=dwc2" | sudo tee -a /boot/config.txt
echo "dwc2" | sudo tee -a /etc/modules
echo "libcomposite" | sudo tee -a /etc/modules

put the following in /etc/rc.local

pair.sh
setuphid.sh
keys.py

pair.sh - bash script to pair & connect bluetooth on boot.

setuphid.sh - installs the USB keybaord driver

keys.py - reads keyboard (e.g. bluetooth) and translates keycodes, then sends it over USB.


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