PinePhone Accessories

Keyboard

Bluetooth Keyboard

Any regular BT may be used.

Guide on connecting: [1]

Additionally the bluetooth or bluetoothd service needs to be enabled on boot: rc-update add bluetooth

And the bluetooth controller needs to be powered on. Add the line AutoEnable=true in /etc/bluetooth/main.conf at the bottom in the [Policy] section: /etc/bluetooth/main.conf[Policy] AutoEnable=true

I2C Keyboard

It should be possible to connect a keyboard over the I2C bus via the pogo pins on the back.

There is even an I2C - HID standard and a driver in the Linux kernel: [2]

TODO: Research