Update README.md

extras/pcb/README.md

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-#### The 8bit Flash Adapter is used to program 8bit and 16bit(in 8bit mode) flashroms like the 29F032, 29L3211 or 29LV160, PCB thickness is 1.2mm.   
+#### cartreader.zip is the main PCB, if you order it from [JLCPCB](https://jlcpcb.com/quote) you can [combine shipping with your parts order from lcsc.com](https://github.com/sanni/cartreader/wiki/Needed-Parts) but if you already ordered the parts or get them from somewhere else it might be cheaper to order the PCB from [Elecrow](https://www.elecrow.com/pcb-manufacturing.html). Default settings are fine, just select the color you prefer and off you go.    
+
+![image](https://dl.dropboxusercontent.com/s/ta7pjoxn9kirtan/v17pcb.png?dl=1)   
+
+#### The 8bit Flash Adapter is used to program 8bit and 16bit(in 8bit mode) flashroms like the 29F032, 29L3211 or 29LV160, PCB thickness needs to be changed to 1.2mm, this is very important or else it won't fit into the SNES slot.   
 
 ![image](https://dl.dropboxusercontent.com/s/jk2xmjy5bp4jfms/flash_adapter.png?dl=1)    
 
-#### TSOP40_to_DIP36 is an adapter pcb for making homebrew SNES games with the 29F032 family of flashroms   
+#### TSOP40_to_DIP36 is an adapter PCB for making homebrew SNES games with the 29F032 family of flashroms.   
 
 ![image](https://dl.dropboxusercontent.com/s/lfyts5puzsub1be/TSOP40_to_DIP36.gif?dl=1)  
 
-#### With the sd_adapter pcb you can transform the microSD module into a full size sd module by desoldering all the components and solder them to this pcb, you'll also need this [sd slot(MMC/SD long variant)](https://www.ebay.com/itm/TF-MMC-SD-SIM-Deck-Socket-Micro-Card-Memory-Card-Holder-Plastic-Copper-ES/162636035873).    
+#### With the sd_adapter PCB you can transform the microSD module from the parts list into a full size SD module by desoldering all the components and soldering them to this PCB.  
 
 ![image](https://dl.dropboxusercontent.com/s/jcse9iaxm3bbuu6/sd_adapter.pngg?dl=1)    
 
 
-For oshpark you need to rename filename.GML to filename.GKO or it won't find the board outline.   
+For [Oshpark](https://oshpark.com/) you need to rename filename.GML to filename.GKO or it won't find the board outline. Oshpark is great for ordering the smaller PCBs.