| Category | Details | |---|---| | | Character LCD | | Commonly Observed Sizes | 16x2 (1602), 20x4, 128x64 graphic | | Interface | Parallel | | Pin Count | 16 pins / 20 pins（±） | | Reported Pinout | 1-DB6, 2-DB7, 3-DB4, 4-DB5, 5-R/S(A0), 6-E, 7-GND, 8-GND, 9-Res(50Ω), 10-Vcc(5V) | | Controller Compatibility | HD44780 and KS0066（±） | | Backlight | Yes（±） | | Contrast Polarity | Some variants require a negative contrast voltage (approx. -5V) for proper display. Look for an 'S' marking on the controller chip. | | Manufacturer Date Code | "06+" indicates production likely from 2006 onwards. | | RoHS Status | Compliant |
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