Home Products Character LCD WH0802A1

8x2 Character LCD Display Module

Model No. WH0802A1

►Character LCD 8x2
►5x8 dots includes cursor
►+5V power supply (Also available for +3V)
►Negative voltage optional for +3V power supply
►1/16 duty cycle
►LED can be driven by PIN1, PIN2, PIN15, PIN16 or A and K
►Interface: 6800 (ST7066 IC), option SPI/I2C (RW1063 IC)


WH0802A1 is an 8 character by 2 lines 8x2 character LCD display. It is available in no backlight or with LED backlight options. This 8x2 LCD module is available in various LCD panel colors including gray, yellow/green and blue LCD options.  WH0802A1 LCD module is built in with ST7066 controller (or equivalent).  The ST7066 IC has different language fonts as options, there are English/Japanese, English/Western European, English/ Eastern European, English/Scandinavian European, English/Cyrillic (Russian), and Hebrew/Arabic WH0802A1 model has different interfaces available, it’s default 6800 4/8-bit parallel 6800 interface, also it’s optional SPI and I2C by using RW1063 IC.

There are three interface options for WH0802A1 series, details as below:
►WH0802A1: 6800 interface (ST7066 IC)
►WH0802A2: SPI interface (RW1063 IC)
►WH0802A3: I2C interface (RW1063 IC)


Winstar 8x2 Character LCD, 8x2 LCD Display, 8x2 LCD Module - WH0802A1


Interface Pin Function

Pin No. Symbol Description
1 VSS Ground
2 VDD Power supply for logic
3 VO Contrast Adjustment
4 RS Data/ Instruction select signal
5 R/W Read/Write select signal
6 E Enable signal
7~14 DB0~DB7 Data bus line
15 A Power supply for B/L +
16 K Power supply for B/L -

Mechanical Data

Item Standard Value Unit
Module Dimension 58.0 × 32.0 mm
Viewing Area 38.0 × 16.0 mm
Mounting Hole 53.0 × 27.0 mm
Character Size 2.96 × 5.56 mm

Electrical Characteristics

Item Symbol Standard Value
Input Voltage VDD 3/5 V
Recommended LCD Driving
Voltage for Normal Temp.Version module @25°C
VDD-VO 4.35 V

Display Character Address Code

Display Position 1 2 3 4 5 6 7 8
DD RAM Address 00 01           07
DD RAM Address 40 41           47

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