加固键盘上用1602OLED模块，该屏为2.23寸1602字符OLED显示模块，内置KS0066及其兼容控制器，接口并口，显示效果为黑底黄字，若客户原先用字符液晶可以直接升级到这款OLED模块，软件硬件都不用更改使用起来非常方便。

    HCS1626尺寸介绍如下：

OUTLINE DIMENSION 80.0(W)×36.0(H)×7.0MAX.(T) mm

VIEWING AREA 58.22(W)×13.52(H) mm

ACTIVE AREA 56.22(W)×11.52(H) mm

NUMBER OF CHARACTERS 16CHARACTERS×2LINES -

CHARACTER SIZE 2.97(W)×5.57H) mm

DOT SIZE 0.57(W)×0.67H) mm

OUTLINE DIMENSION 80.0(W)×36.0(H)×7.0MAX.(T) mm

VIEWING AREA 58.22(W)×13.52(H) mm

ACTIVE AREA 56.22(W)×11.52(H) mm

NUMBER OF CHARACTERS 16CHARACTERS×2LINES -

CHARACTER SIZE 2.97(W)×5.57H) mm

DOT SIZE 0.57(W)×0.67H) mm

HCS1626脚位定义如下：

1 VSS 0V GND

2 VDD +3.3V Power Supply for logic

3 NC - No connection

4 RS H/L H: Data L: Command

5 R/W H/L H: Read L: Write

6 E H-L Enable signal

7~14 DB0~DB7 H/L Data bus

15、16 NC - No connection

HCS1626显示效果图如下：