waag add pin

docs/waag2023/xiao_rp2040_hbridges.md

@@ -2,11 +2,14 @@
 
 ## Eagle library
 
-[How to use Seeed Studio XIAO in your PCB Design](https://www.seeedstudio.com/blog/2022/08/19/how-to-use-seeed-studio-xiao-in-your-pcb-design/)
+Xiao
 
-- [Seeed Studio XIAO Series Package and PCB Design](https://www.seeedstudio.com/blog/wp-content/uploads/2022/08/Seeed-Studio-XIAO-Series-Package-and-PCB-Design.pdf)
-    - [Seeed Fusion PCBA Open Parts Library: Component Library for Autodesk Eagle](https://github.com/SeeedFusion/OPL_Eagle_Library)
+- [How to use Seeed Studio XIAO in your PCB Design](https://www.seeedstudio.com/blog/2022/08/19/how-to-use-seeed-studio-xiao-in-your-pcb-design/)
 
+    - [Package and PCB Design](https://www.seeedstudio.com/blog/wp-content/uploads/2022/08/Seeed-Studio-XIAO-Series-Package-and-PCB-Design.pdf) - includ a link to Kicad Library
+        - [Component Library for Eagle](https://github.com/SeeedFusion/OPL_Eagle_Library)
+
+H-Bridge
 
 - [TB67H451FNG,EL](https://app.ultralibrarian.com/details/570aaa11-d799-11ea-b5d0-0aebb021a1ea/Toshiba-Electronic-Devices-Storage-Corp-/TB67H451FNG-EL?open=backlink)
     - [TB67H451FNG,EL_FAB](./file/TB67H451FNG,EL_FAB.lbr)
@@ -14,17 +17,63 @@
 
 ## Board
 
-Ref. [stepper-hbridge](https://github.com/modular-things/modular-things-circuits/tree/main/xiao)
-
-![](./images/schematic.jpg){width=400}
+Ref. [modular-things-circuits](https://github.com/modular-things/modular-things-circuits/tree/main/xiao) / Ref. [ stepper-hbridge](./images/schematic.jpg){width=400}
 
 ![](./images/sch.png){width=400}
 ![](./images/brd.png){width=400}
 
-Download Eagle [SCH](./file/XiaoRP2040_Hbridge/XiaoRP2040_Hbridge.sch) [BRD](./file/XiaoRP2040_Hbridge/XiaoRP2040_Hbridge.brd)
+Download Eagle [SCH](./file/XiaoRP2040_Hbridge/XiaoRP2040_Hbridge.sch) [BRD](./file/XiaoRP2040_Hbridge/XiaoRP2040_Hbridge.brd)  
+
+![](./file/top.png){width=400}
+![](./file/outline.png){width=400}  
+
+
+
 
 
 ![Board](./images/board.jpg){width=400}  
 
 - R1, R3 : 120R -> 100R
 - R2, R4 : 300mR -> 0.24R=240mR
+
+### BOM
+Item| QTY
+:--|:--:
+Xiao RP2040    | 1
+TB67H451FNG,EL | 2
+120R or 100R   | 2
+300mR or 240mR | 2
+0 R | 2
+0.1 uF         | 2
+1 uF           | 2
+10 uF          | 2
+SMD Pin header 1x4 | 1
+
+
+
+
+## Pinout
+
+![](./images/xinpin.jpg){width=300}![](./images/xinfront.jpg){width=300}
+
+Ref. [Switchscience_JP](https://www.switch-science.com/products/7634)
+
+LED	|Pin Number
+--|:--:
+LED(Red, TX)|	17
+LED(Green, RX)|	16
+LED(Blue, User_LED)|	25
+RGB LED_POWER|	11
+RGB LED|	12
+
+Ref. [Seeed XIAO RP2040を試してみました【Arduino使用】_JP](https://aloseed.com/it/xiao_rp2040/)
+
+### Pin
+Pin to H-Bridge|Pin Number
+:--|:--:
+AVREF|6
+AIN1 |0
+AIN2 |7
+BVREF|1
+BIN1 |2
+BIN2 |4