Updated Sideboards (markdown)

Sideboards.md

@@ -26,5 +26,15 @@ Those boards can have different IMUs, not all are fully supported:
 |ICM-20681||||||
 |BNO055||||||
 
+The Digital Motion Processor handles the calculation of Euler Angles and Quaternions.<br>
+<br>
+
+If you find a board with a different IMU, please use the debug variant and try:
+- a command : you should see raw Accelerometer data, it shouldn't be zero
+- g command : you should see raw Gyroscope data, it shouldn't be zero
+- e command : you should see Euler angles, it shouldn't be zero
+
+Please share your findings so that we can enrich the wiki.
+
+ 
 
-The Digital Motion Processor handles the calculation of Euler Angles and Quaternions.