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 #Hardware
 
+## 3D Moudle
+
+![](rm_img/PCB/3D.png)
+
+## PCB Layout
+
+![](rm_img/PCB/pcb.png)
+
+## Schematic
+
 ### Microcontroller -- STM32F103
 ![](rm_img/stm32.png)
 
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