if your lcd has more than 80 characters (like 4x40)
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15 |
e2 |
1， 1->0 |
enable signal row 2 & 3 |
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16 |
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not used mostly |
这是lcd的背面:
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hy1602b (hyper 1602b) with ks0065 controller (compatible with hd44780) and backlight。 |
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1602-04 with ks0066u controller (compatible with hd44780) and backlight。 |
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上面是2个不同的具有背光的lcd(背面)， 他们都拥有第15/16条引线。 |
