diff --git a/installation-guide.md b/installation-guide.md
index 784e657..7c60528 100644
--- a/installation-guide.md
+++ b/installation-guide.md
@@ -27,3 +27,10 @@ In a terminal run:
 
 
 
+# BLE MIDI
+- Arduino install library **BLE-MIDI 2.1.0** *WARNING: NOT THE LAST VERSION* 
+- Check group name of the device: `ls -l /dev/ttyACM0` 
+- Add user to tty group: `sudo usermod -aG GROUPNAME USERNAME`
+- Load the code to the board
+- Connect to it via Bluetooth
+- Check MIDI reception