WH1602B-NYG-ET module equivalent, lcd module.
1 VSS
0V Ground
2 VDD 5.0V Supply Voltage for logic
3 VO (Variable) Contrast Adjustment
4 RS
H/L H: DATA, L: Instruction code
5 R/W
H/L H: Read(MPU→Module) L: Write(MPU→Module)
6 E H,H→L Chip enable signal
7 DB0 8 DB1 9 DB2 10 DB3 11 DB4 12.
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