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README.md

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 # CUBE8
 
-> 8X8X8 LED cube, based on 8051 MCU.
+<p align="center">
+<img src="https://user-images.githubusercontent.com/21138560/90215547-7e79e100-de2e-11ea-979f-06ae3d451e3a.png" alt="CUBE8" width="80%">
+</p>
+<p align="center">8X8X8 LED cube, based on 8051 MCU.</p>
+
+## Introduction
+
+This is a side project for learning 8051 MCU.
+
+* `/patternflow/`: A GUI tool for generating pattern code, written in Python with PyQt5
+* `/pcb/`: Schematic and PCB, built with Altium Designer
+* `/simulation/`: Circuit simulation with Proteus
+* `/src/`: Source code of the CUBE8 firmware
+* `/bom.csv`: Bill of materials
+
+## Gallery
+
+<p align="center">
+<img src="https://user-images.githubusercontent.com/21138560/90213445-5c7d6000-de28-11ea-8681-8845c45d193c.png" alt="Schematic" width="45.7%">
+<img src="https://user-images.githubusercontent.com/21138560/90213458-64d59b00-de28-11ea-965f-d1f060f90316.png" alt="Simulation" width="50%">
+</p>
+
+<p align="center">
+<img src="https://user-images.githubusercontent.com/21138560/90213470-74ed7a80-de28-11ea-88d8-8d432b9d09d9.jpg" alt="Circuit board" width="47%">
+<img src="https://user-images.githubusercontent.com/21138560/90213480-7d45b580-de28-11ea-8ffd-836660cdac0d.jpg" alt="Overview" width="47%">
+</p>
+
+[More images](https://github.com/xinhangliu/cube8/issues/1)