commit 2cfab3c915b3428c7b045a4805ce388cfa058fad
Author: mikelam <mikelam@m-labs.hk>
Date:   Sat Mar 12 23:14:43 2022 +0800

    init commit based on the Google Docs document writen by Jack Zheng

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+Taobao shop: [深圳市精创新科技](http://shop585136636.world.taobao.com/?spm=a312a.7700824.0.0.21af3ab6wcDDYg)
+
+Link: [https://item.taobao.com/item.htm?spm=a1z09.2.0.0.66bc2e8dwKPAtD&id=631370129669&_u=p2evd2ohc9c7](https://item.taobao.com/item.htm?spm=a1z09.2.0.0.66bc2e8dwKPAtD&id=631370129669&_u=p2evd2ohc9c7)
+
+Need ~1 week for manufacturing
+
+Price mainly based on numbers of test points (need to confirm with the shop owner, for DIO case, they charged 400RMB for 60 test points)
+
+Ask them to ship to HK directly using SF-express (weight ~5kg, shipping fee 70~120HKD)
+
+**Documents needed:**
+
+
+
+1. Altium Designer PCB project file (available on [https://github.com/sinara-hw](https://github.com/sinara-hw))
+
+![alt_text](images/image1.png "image_tooltip")
+
+
+2. Photos of the actual card with marks to specify where the test points are. 
+
+![alt_text](images/image2.jpg "image_tooltip")
+
+![alt_text](images/image3.jpg "image_tooltip")
+
+
+3. Specify the shapes of the test points if necessary (especially for special shapes), such as holes, pads, holes with solder, pins of components, etc. 
+4. Specify which holes can be used to support the board (for DIO case, 4 screw holes are used)
+5. The 3D cad file and photo of the Syronstan PCB (to show them the positions of screw holes)
+
+    Cad file could be exported from [https://git.m-labs.hk/sinara-hw/Syrostan-HW](https://git.m-labs.hk/sinara-hw/Syrostan-HW) 
+
+![alt_text](images/image4.png "image_tooltip")
+
+![alt_text](images/image5.jpg "image_tooltip")
+
+
+
+**Steps:**
+
+
+
+1. Contact their customer service directly, providing them with the following: 
+2. Pogo pins will occupy 15MM of inner space of the base box. A total height of 100MM should be enough to place the Syrostan board. 
+3. Can ask them to add necessary buttons on the panel, especially one for detecting the pressing. 
+
+![alt_text](images/image6.png "image_tooltip")
+
+
+4. Can ask for a dxf file of the holes on the acrylic they manufactured to import to KiCad for the extension PCB board. 
+
+![alt_text](images/image7.jpg "image_tooltip")
+
+
+5. Ask them to take a video preview before shipping to us. 
+6. Extension board can refer to this example for DIO-SMA. [https://git.m-labs.hk/sinara-hw/Syrostan-Ext-DIO](https://git.m-labs.hk/sinara-hw/Syrostan-Ext-DIO) 
+7. The pogo pins are standard 2.54mm dupont pins. Connect the pogo pins and extension board with general female dupont connectors. 
+
+    [https://item.taobao.com/item.htm?spm=a230r.1.14.169.c34a7ce20iwqaE&id=623728174926&ns=1&abbucket=1#detail](https://item.taobao.com/item.htm?spm=a230r.1.14.169.c34a7ce20iwqaE&id=623728174926&ns=1&abbucket=1#detail) 
+
+![alt_text](images/image8.jpg "image_tooltip")
+