- "rev2" is for PCB ver 1.1,1.2
- "rev1" is from earlier pcb
+ "rev1" is for PCB ver 1.0,1.1,1.2
+ **The original Rev 1 was owned only by the designer. Therefore, Rev1 has been removed. Since the current PCB is Rev1, we changed Rev2 to Rev1 to match the firmware version.**
+