This driver applies to 51 microcontroller (5V or 3.3V), liquid crystal VCC connected to 5V or 3.3V Modify the bias voltage can change the brightness of the 5110 dot matrix display 5110 5V when the bias voltage is changed to (0xa7,0), then 3.3V is changed to (0xc0,0)

LCD5110 drive.doc

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