Yellow/green 16x2 LCD module featuring 2 rows consisting each of 16 characters. The module is compatible with the Hitachi HD44780 controller, and is commonly used in Arduino and other microcontroller projects. White characters on blue background Supply voltage: 5V DC Module dimensions: 80 x 36 x 11mm Display area: 66 x 16mm .tg {border-collapse:collapse;border-spacing:0;} .tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;} .tg th{font-family:Arial, sans-serif;font-size:14px;font-weight:normal;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;} .tg .tg-vwp3{font-weight:bold;background-color:#efefef;text-align:left} .tg .tg-b3sw{font-weight:bold;background-color:#efefef;text-align:left;vertical-align:top} .tg .tg-0lax{text-align:left;vertical-align:top} Pin No. Symbol High/Low Level Description 1 Vss 0V 0V Ground 2 Vdd 5V 5V Supply Voltage for logic (option +3V) 3 Vo Variable Operating voltage for LCD 4 RS H/L 4 RS H/L H:DATA L:Instruction code 5 R/W H/L H H:Read L:Write (MPU Module) 6 E H H->L Chip enable signal 7 DB/0 H/L Data bit 0 8 DB/1 H/L Data bit 1 9 DB/2 H/L Data bit 2 10 DB/3 H/L Data bit 3 11 DB/4 H/L Data bit 4 12 DB/5 H/L Data bit 5 13 DB/6 H/L Data bit 6 14 DB/7 H/L Data bit 7 15 A / Vee Power supply for LED backlight ( + ) / Negative voltage output 16 K Power supply for LED backlight (GND )