Home Products Character LCD WH2402A

Character Display LCD 24x2, LCD Display 24x2

Model No. WH2402A

►Character Display LCD 24x2
►5x8 dots includes cursor
►Bulit-in controller (ST7066 or Equivalent)
►+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, option SPI/I2C (RW1063 IC)


WH2402A is 24 characters by 2 lines LCD 24x2 display module which is built in with ST7066 controller IC; its default interface is 6800 4/8-bit parallel. This LCD display 24x2 model WH2402A is available for without backlight or with LED backlight options. This display LCD 24x 2 modules is available in various LCD panel colors including gray, yellow/green and blue LCD options. The LEDs can be driven by pin 1, pin 2, or pin 15 pin 16 or A/K. 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.

There are different interface options for WH2402A series, details as below:
►WH2402A : 6800 interface (ST7066 IC)
►WH2402A1 : SPI interface (RW1063 IC)


Winstar WH2402A - LCD 24x2, Display LCD 24x2, LCD Display 24x2


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 118.0 × 36.0 mm
Viewing Area 94.5 × 16.0 mm
Mounting Hole 113.0 × 31.0 mm
Character Size 3.2 × 5.55 mm

Electrical Characteristics

Item Symbol Standard Value
Input Voltage VDD 3/5 V
Recmmended 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 9 10 11 12 --- --- --- 24
DD RAM Address 00 01                           17
DD RAM Address 40 41                           57

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