Specification ：http://www.sdec.com.tw/products.php?no=50
It has 14 pin to be used.
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LCD pin 1 = ground
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LCD pin 2 = v+
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LCD pin 3 = ground (or use variable resistor)
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LCD pin 4 ~ 13 connection ：
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RS = PD.08 (PIN 8 of GPIOD)
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R/W = PD.09
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E = PD.10
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DB0 = PD.00
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DB1 = PD.01
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DB2 = PD.02
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DB3 = PD.03
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DB4 = PD.04
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DB5 = PD.05
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DB6 = PD.06
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DB7 = PD.07
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