WH1602S is a 16×2 Character dot Matrix LCD Display Module which is built in with ST7066 controller IC or equivalent; its default interface is 6800 4/8-bit parallel, 5V power supply. WH1602S is available in several different backlight colors including blue, green, white, yellow-green, amber, red or white LEDs. There are different character fonts/texts available for ST7066 IC including English/Japanese, English/West European, English/Scandinavian European, or English/Cyrillic (Russian) as options. This module can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
There are different interface options for WH1602S series, details as below:
►WH1602S : 6800 interface (ST7066 IC)
►WH1602S1 : SPI interface (RW1063 IC)
►WH1602S2 : I2C interface (RW1063 IC)