update SB CAN

docs/SB CAN ToolHead.md

@@ -1,4 +1,4 @@
-![SB CAN ToolHead](assets/SB_CAN_ToolHead_V11.jpg)
+![SB CAN ToolHead](assets/SB_CAN_TH_V13_TOP.jpg)
 
 ## 1. Introduction
 
@@ -64,6 +64,10 @@ Before you install the board, you need printed parts [here](https://github.com/F
 
 ### 2.3 Wiring
 
+As shown below, you receive not only a SB CAN Tollhead Board, but also a 2.5-meter connector and some connectors and a USB cable.
+
+![SB CAN ToolHead](assets/SB_CAN_TH_V13.jpg)
+
 ####  V1.1
 
 ![SB CAN ToolHead](assets/SB CAN ToolHead_Wiring.png)
@@ -72,6 +76,12 @@ Before you install the board, you need printed parts [here](https://github.com/F
 
 ####  V1.3
 
+![SB_CAN_ToolHead_V13_Wiring](assets/SB_CAN_ToolHead_V13_Wiring.png)
+
+!!! note
+
+    Klipper currently supports the USB to CAN Bridge mode of the motherboard. You can use the motherboard as a CAN adapter on the Raspberry Pi, no longer requiring UCAN.
+
 ### 2.4 SCH DXF STEP
 
 Get SCH, DXF, STEP files on github:
@@ -138,6 +148,15 @@ Note: v1.1 have some silk print errors below, the red letters are the right silk
 
 ![image-20221117091211285](assets/image-20221117091211285.png)
 
+### 4.2  what new in v1.3
+
+1.  Changed the connector and connecting wire that can carry a maximum current of 15A (the onboard fuse is limited to 8A);
+2.  Add a reset button;
+3.  Change to a 6-layer 2OZ PCB board to enhance heat dissipation;
+4.  Add a 120R termination resistor, which can be disconnected through JP3 and is connected by default;
+5.  Change the heating rod connector to carry larger current, up to 7A;
+
+
 ## Buy
 
 [Taobao](https://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-23828897339.22.229c1613tHAtLW&id=690431280049)

docs/SB CAN ToolHead.zh.md

@@ -64,9 +64,22 @@ STLs 可以在国内 git 站点找到：[FYSETC/FYSETC-SB-TH-CAN - FYSETC-SB-TH-
 
 ### 2.3 接线
 
+如下图所示，您不仅收到一个 SB CAN Tollhead Board，还收到一根 2.5 米连接线和一些连接器以及一条 USB 电缆。
+
+![SB CAN ToolHead](assets/SB_CAN_TH_V13.jpg)
+
+####  V1.1
+
 ![SB CAN ToolHead](assets/SB CAN ToolHead_Wiring.png)
 
 ![](images/SB-CAN-TH.Wiring.png)
+####  V1.3
+
+![SB_CAN_ToolHead_V13_Wiring](assets/SB_CAN_ToolHead_V13_Wiring.png)
+
+!!! note
+
+    Klipper目前支持主板的USB to CAN Bridge模式。 您可以将主板用作 Raspberry Pi 上的 CAN 适配器，不再需要 UCAN。
 
 ### 2.4 SCH DXF STEP 文件
 
@@ -111,6 +124,13 @@ STLs 可以在国内 git 站点找到：[FYSETC/FYSETC-SB-TH-CAN - FYSETC-SB-TH-
 
 ![image-20221117091211285](assets/image-20221117091211285.png)
 
+### 4.2 v1.3 更改说明
+1. 更改了最大可承载15A电流的连接器，和连接线（板载保险丝限制为8A）；
+2. 增加一个复位按键；
+3. 更改为6层 2OZ PCB板，增强散热；
+4. 增加120R端接电阻，可以通过JP3进行断开，默认连接；
+5. 更改加热棒连接器以承载更大电流，最大7A；
+
 ## 购买
 
 [Taobao](https://item.taobao.com/item.htm?spm=a1z10.3-c.w4002-23828897339.22.229c1613tHAtLW&id=690431280049)