diff --git a/matrix.py b/matrix.py
index 718d266..cd25293 100644
--- a/matrix.py
+++ b/matrix.py
@@ -50,6 +50,8 @@ class FlipdotSim():
             self.udpHostSocket.close()
 
     def sendToMatrix(self,imageArray,displayid=0):
+        imageArray=[x for x in reversed(imageArray)] #Rotated Image
+
         data=np.zeros(int(WIDTH*HEIGHT/8),dtype=np.uint8)
         imageArray=np.hstack( (np.array(imageArray,dtype=np.uint8),np.zeros(len(data)*8-len(imageArray),dtype=np.uint8) ))
         print("imageArray size="+str(len(imageArray)))
@@ -150,9 +152,9 @@ def matrixSetup(ser,displayid=0):
     ser.write(chr(2).encode())
     ser.write(b'B') #command char
     if displayid==0:
-        ser.write(b'0') #display id  0 or 1
+        ser.write(b'1') #display id  0 or 1
     elif displayid==1:
-        ser.write(b'1')
+        ser.write(b'0')
     #ser.write(b'00000000000')
     ser.write(b'00000000000') #alignment
     ser.write(chr(27).encode()) #oneB