====== Orange Pi ======

  * http://www.orangepi.org/orangepizero/

===== Enceinte Bluetooth =====
  * https://raspberrypi.stackexchange.com/questions/47708/setup-raspberry-pi-3-as-bluetooth-speaker
  * https://thecodeninja.net/2016/06/bluetooth-audio-receiver-a2dp-sink-with-raspberry-pi/
  * https://www.raspberrypi.org/forums/viewtopic.php?t=161944
  * https://github.com/davidedg/NAS-mod-config/blob/master/bt-sound/bt-sound-Bluez5_PulseAudio5.txt
  * https://markus.jarvisalo.dy.fi/2017/12/making-the-raspberry-pi-3-a-bluetooth-audio-receiver/
  * https://gist.github.com/oleq/24e09112b07464acbda1
  * https://www.raspberrypi.org/forums/viewtopic.php?t=26685
  * https://www.cnx-software.com/2017/07/30/how-to-setup-an-orange-pi-zero-diy-smart-speaker-with-google-assistant-sdk/
  * http://dminnich.com/blog/Orangepi-Audio-Receiver/
  * https://www.wikihow.com/Turn-Any-Device-Into-a-Bluetooth-Receiver-Using-Raspberry-Pi
  * https://oshlab.com/enable-g_serial-usb-otg-console-orange-pi-armbian/