diff --git a/adafruit_uc8151d.py b/adafruit_uc8151d.py
index 6e8d00a..cf310d5 100644
--- a/adafruit_uc8151d.py
+++ b/adafruit_uc8151d.py
@@ -38,6 +38,58 @@
     b"\x50\x01\x97"  # CDI setting
 )
 
+_GRAYSCALE_START_SEQUENCE = (
+    b"\x04\x80\xc8"  # Power on
+    b"\x00\x01\xbf"  # Panel setting
+    b"\x50\x01\x97"  # CDI setting
+    # Common voltage
+    b"\x20\x2a"
+    b"\x00\x0A\x00\x00\x00\x01"
+    b"\x60\x14\x14\x00\x00\x01"
+    b"\x00\x14\x00\x00\x00\x01"
+    b"\x00\x13\x0A\x01\x00\x01"
+    b"\x00\x00\x00\x00\x00\x00"
+    b"\x00\x00\x00\x00\x00\x00"
+    b"\x00\x00\x00\x00\x00\x00"
+    # White to White
+    b"\x21\x2a"
+    b"\x40\x0A\x00\x00\x00\x01"
+    b"\x90\x14\x14\x00\x00\x01"
+    b"\x10\x14\x0A\x00\x00\x01"
+    b"\xA0\x13\x01\x00\x00\x01"
+    b"\x00\x00\x00\x00\x00\x00"
+    b"\x00\x00\x00\x00\x00\x00"
+    b"\x00\x00\x00\x00\x00\x00"
+    # Black to White
+    b"\x22\x2a"
+    b"\x40\x0A\x00\x00\x00\x01"
+    b"\x90\x14\x14\x00\x00\x01"
+    b"\x00\x14\x0A\x00\x00\x01"
+    b"\x99\x0B\x04\x04\x01\x01"
+    b"\x00\x00\x00\x00\x00\x00"
+    b"\x00\x00\x00\x00\x00\x00"
+    b"\x00\x00\x00\x00\x00\x00"
+    # White to Black
+    b"\x23\x2a"
+    b"\x40\x0A\x00\x00\x00\x01"
+    b"\x90\x14\x14\x00\x00\x01"
+    b"\x00\x14\x0A\x00\x00\x01"
+    b"\x99\x0C\x01\x03\x04\x01"
+    b"\x00\x00\x00\x00\x00\x00"
+    b"\x00\x00\x00\x00\x00\x00"
+    b"\x00\x00\x00\x00\x00\x00"
+    # Black to Black
+    b"\x24\x2a"
+    b"\x80\x0A\x00\x00\x00\x01"
+    b"\x90\x14\x14\x00\x00\x01"
+    b"\x20\x14\x0A\x00\x00\x01"
+    b"\x50\x13\x01\x00\x00\x01"
+    b"\x00\x00\x00\x00\x00\x00"
+    b"\x00\x00\x00\x00\x00\x00"
+    b"\x00\x00\x00\x00\x00\x00"
+)
+
+
 _STOP_SEQUENCE = b"\x50\x01\xf7" b"\x07\x01\xA5"  # CDI setting  # Deep Sleep
 # pylint: disable=too-few-public-methods
 class UC8151D(displayio.EPaperDisplay):
@@ -57,6 +109,10 @@ class UC8151D(displayio.EPaperDisplay):
     """
 
     def __init__(self, bus, **kwargs):
+        if kwargs.get("grayscale", False):
+            start_sequence = bytearray(_GRAYSCALE_START_SEQUENCE)
+        else:
+            start_sequence = bytearray(_START_SEQUENCE)
         width = kwargs["width"]
         height = kwargs["height"]
         if "rotation" in kwargs and kwargs["rotation"] % 180 != 0:
@@ -64,7 +120,7 @@ def __init__(self, bus, **kwargs):
 
         super().__init__(
             bus,
-            _START_SEQUENCE,
+            start_sequence,
             _STOP_SEQUENCE,
             **kwargs,
             ram_width=128,
diff --git a/examples/uc8151d_grayscale_test.py b/examples/uc8151d_grayscale_test.py
new file mode 100644
index 0000000..71b8316
--- /dev/null
+++ b/examples/uc8151d_grayscale_test.py
@@ -0,0 +1,68 @@
+# SPDX-FileCopyrightText: 2022 Martin Refseth, written for Adafruit Industries
+#
+# SPDX-License-Identifier: Unlicense
+
+"""Simple test script for 1.54" 152x152 grayscale display.
+
+Supported products:
+  * 1.54" Grayscale Display (GDEW0154T8D)
+  """
+# pylint: disable=no-member
+
+import time
+import board
+import displayio
+import busio
+import adafruit_uc8151d
+
+displayio.release_displays()
+
+# Pinout intended for use with a Raspberry Pi Pico
+clk = board.GP10
+si = board.GP11
+dc = board.GP8
+cs = board.GP9
+rst = board.GP12
+busy = board.GP13
+
+display_bus = displayio.FourWire(
+    busio.SPI(clk, si), command=dc, chip_select=cs, reset=rst, baudrate=1000000
+)
+
+time.sleep(1)
+
+display = adafruit_uc8151d.UC8151D(
+    display_bus, width=152, height=152, busy_pin=busy, rotation=180, grayscale=True
+)
+
+
+bitmap = displayio.Bitmap(152, 152, 4)
+
+# Draw Black
+for x in range(0, 152):
+    for y in range(0, 38):
+        bitmap[x, y] = 0
+# Draw Dark Gray
+for x in range(0, 152):
+    for y in range(38, 76):
+        bitmap[x, y] = 1
+# Draw Light Gray
+for x in range(0, 152):
+    for y in range(76, 114):
+        bitmap[x, y] = 2
+# Draw White
+for x in range(0, 152):
+    for y in range(114, 152):
+        bitmap[x, y] = 3
+
+palette = displayio.Palette(4)
+palette[0] = 0x000000  # Black
+palette[1] = 0x404040  # Dark Gray
+palette[2] = 0x808080  # Light Gray
+palette[3] = 0xFFFFFF  # White
+
+g = displayio.Group()
+t = displayio.TileGrid(bitmap, pixel_shader=palette)
+g.append(t)
+display.show(g)
+display.refresh()