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Discussion sim card

2017-01-15 03:08  
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This article describes a study sim card. The circuit is very simple but effective utility, worth Duokanjibian then master the principles of this principle. 

6 pin Simcard special

6 pin Simcard special?connector? at the card

card pinDescription
1Vcc
2Reset
3CLK
4GND
5Vpp
6I/O

 


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