Model: 6515 - Color: Green - Material: PCB + plastic + copper - Display construction: 16 characters x 2 lines - Chartreuse yellow backlight - Black character - Interface: - 1. VSS: Ground - 2. VDD: DC 5V power supply - 3. VL: LCD contrast adjustment - 4. RS: Instruction / data register selection; RS = 0 : Instruction register; RS = 1 : Data register - 5. R/W: Read / write selection - 6. E: Enable signal; Active when high-level turns to low-level - 7~14. Data input / output lines; 8-bit: D0~D7 - 15. Blacklight voltage: Positive - 16. Blacklight voltage: Negative