ACM2002C module equivalent, acm2002c series lcd module.
Ground Supply voltage for logic LCD contrast adjust Register select Read / write Enable Data bit 0 Data bit 1 Data bit 2 Data bit 3 Data bit 4 Data bit 5 Data bit 6 Data bit 7 Anode for LED backlight Cathode for LED backlight
Function 0V +5V By user.
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