diff --git a/ssd1306.py b/ssd1306.py
index 6359c85..a593d2a 100644
--- a/ssd1306.py
+++ b/ssd1306.py
@@ -1,7 +1,15 @@
 # MicroPython SSD1306 OLED driver, I2C and SPI interfaces
 
 from micropython import const
-import framebuf
+# import extended framebuffer if available)
+# https://github.com/peter-l5/framebuf2
+try:
+    import framebuf2 as framebuf
+    _fb_variant = 2
+except:
+    import framebuf
+    _fb_variant = 1
+print("framebuf is ", ("standard" if _fb_variant == 1 else "extended"))
 
 
 # register definitions
@@ -84,6 +92,10 @@ def contrast(self, contrast):
 
     def invert(self, invert):
         self.write_cmd(SET_NORM_INV | (invert & 1))
+    
+    def rotate(self, rotate):
+        self.write_cmd(SET_COM_OUT_DIR | ((rotate & 1) << 3))
+        self.write_cmd(SET_SEG_REMAP | (rotate & 1))
 
     def show(self):
         x0 = 0