Warning - instructions apply to EV3, for the BrickPi modifications needed

bmegli · bmegli · commit c48ab6035d15 · 2015-12-05T09:58:37.000+01:00
diff --git a/docs/tutorials/using-xv11-lidar.md b/docs/tutorials/using-xv11-lidar.md
@@ -9,6 +9,13 @@ XV11 LIDAR communicates using UART, 8N1 at 3.3V with baud rate 115200.
 
 EV3 has all the required hardware to communicate with the LIDAR and ev3dev has the software.
 
+<div class="alert alert-warning">
+    <span class="glyphicon glyphicon-alert"></span>
+    The instructions on this page apply to EV3.
+	You can also get it working with Raspberry PI and BrickPI but BrickPI doesn't support other-uart mode for sensor port and dedicated Raspberry Pi UART GPIO pins are already taken by BrickPI.
+	You have to figure out some other way to get the UART. USB to UART bridge could be one option. 
+</div>
+
 To interface the LIDAR one has to:
 
 1. Solder the connector for LIDAR motor
@@ -25,7 +32,8 @@ See <http://xv11hacking.wikispaces.com/LIDAR+Sensor> for more information on LID
 
 ## Motor Connector
 
-The part with resistors is optional. It allows EV3 to autodetect the motor but in ev3dev you can load the driver manually.
+The part with resistors is optional. It allows EV3 to autodetect the motor but in ev3dev you can load the driver manually. 
+If you decide not to solder the resistors you only have to make two connections (PWM1 and PWM2).
 
 {% include screenshot.html source="/images/xv11-tutorial/lidar_motor_scheme.png" %}
 
