Made code working for the Waveshare Pico OLED 2.23.

.gitignore

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+.pio
+.vscode/.browse.c_cpp.db*
+.vscode/c_cpp_properties.json
+.vscode/launch.json
+.vscode/ipch

.vscode/extensions.json

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+{
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "platformio.platformio-ide"
+    ],
+    "unwantedRecommendations": [
+        "ms-vscode.cpptools-extension-pack"
+    ]
+}

README.md

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 # Arduino OLED Animations
 Arduino OLED Animations
 
+Rebuild for use with [PlatformIO](https://platformio.org/) using a [Raspberry Pi Pico](https://www.raspberrypi.com/products/raspberry-pi-pico/) with the [Waveshare Pico OLED 2.23](https://www.waveshare.com/wiki/Pico-OLED-2.23).
 
 **YOUTUBE VIDEO: https://youtu.be/o3PhC_VJdXo**
 

platformio.ini

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+[env:pico]
+platform = raspberrypi
+board = pico
+framework = arduino
+lib_deps = 
+	olikraus/U8g2@^2.35.8