adafruit · BlitzCityDIY · Jun 25, 2025 · Jun 25, 2025
diff --git a/examples/ssd1680_2.9_tricolor_breakout.py b/examples/ssd1680_2.9_tricolor_breakout.py
@@ -0,0 +1,57 @@
+# SPDX-FileCopyrightText: 2017 Scott Shawcroft, written for Adafruit Industries
+# SPDX-FileCopyrightText: Copyright (c) 2023 Jose D. Montoya
+#
+# SPDX-License-Identifier: Unlicense
+
+
+"""Simple test script for Adafruit 2.9" Tri-Color eInk Display Breakout
+Supported products:
+  * Adafruit 2.9" Tri-Color eInk Display Breakout
+    * https://www.adafruit.com/product/1028
+
+"""
+
+import time
+
+import board
+import displayio
+from fourwire import FourWire
+
+import adafruit_ssd1680
+
+displayio.release_displays()
+
+# This pinout works on a Metro M4 and may need to be altered for other boards.
+spi = board.SPI()  # Uses SCK and MOSI
+epd_cs = board.D9
+epd_dc = board.D10
+epd_reset = board.D5
+epd_busy = board.D6
+
+display_bus = FourWire(spi, command=epd_dc, chip_select=epd_cs, baudrate=1000000)
+time.sleep(1)
+
+display = adafruit_ssd1680.SSD1680(
+    display_bus,
+    width=296,
+    height=128,
+    highlight_color=0xFF0000,
+    rotation=270,
+)
+
+g = displayio.Group()
+
+with open("/display-ruler.bmp", "rb") as f:
+    pic = displayio.OnDiskBitmap(f)
+
+    t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
+
+    g.append(t)
+
+    display.root_group = g
+
+    display.refresh()
+
+    print("refreshed")
+
+    time.sleep(120)