LCD 40x2, Display LCD 40x2, 40x2 LCD Display - RC4002A

Character LCD Display 40x2, 40x2 LCD Display

Model No. RC4002A

RC4002A is 40 characters x 2 lines monochrome LCD display with module dimension 182.0 x 33.5 mm. Default interface of RC4002A display LCD 40x2 module is 6800 with built-in IC ST7066; if you require interface such as SPI or I2C, they’re available as well, but the IC will be replaced with RW1063.

Power supply of RC4002A 40x2 LCD display is 5V (3V is optional). Negative voltage version is available for 3V power supply. Raystar provides various LED backlight combinations for RC4002A module, such as yellow-green and white. You can choose module with LED backlight or without it.

LED backlight can be driven by PIN1, PIN2, PIN17, PIN18 or A and K. The RC4002A module offers a selection of fonts, including English/Japanese, Europe and Cyrillic (Russian). Feel free to send us inquiry if you’d like to know more information.

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  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Electrical Characteristics
  • Display Character Address Code
Item Dimension Unit
Dot Matrix / Resolution 5×8 dots includes cursor dots
Characters × Lines 40 Characters × 2 Lines
Module Dimension 182.0 × 33.5 × 13.6 (MAX) mm
View Area 154.4 × 16.5 mm
Active Area 147.5 × 11.5 mm
Mounting Hole 175.0 × 26.5 mm
Dot / Pixel Size 0.6 × 0.65 mm
Dot / Pixel Pitch 0.65 × 0.70 mm
Character Size 3.2 × 5.55 mm
Character Pitch 3.7 × 5.95 mm
IC ST7066 or Equivalent
Interface 6800, option SPI / I2C (RW1063 IC)
Power Supply 5V (Also available for 3V)
Negative voltage optional for 3V power supply
Duty 1/16 duty cycle
Type Character LCD Display
Feature LED can be driven by PIN1, PIN2, PIN15, PIN16 or A and K
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 DB0 Data bus line
8 DB1 Data bus line
9 DB2 Data bus line
10 DB3 Data bus line
11 DB4 Data bus line
12 DB5 Data bus line
13 DB6 Data bus line
14 DB7 Data bus line
15 A Power supply for B/L +
16 K Power supply for B/L -

LCD 40x2, Display LCD 40x2, 40x2 LCD, 40x2 LCD Display - RC4002A

Item Symbol Standard Value
Input Voltage VDD 3/5 V
Recommended LCD Driving Voltage for Normal Temp.
Version module @25ºC
VDD-VO 4.50 V
Display position 1 2 3 4 5 6 7 8 9 --- --- 39 40
DD RAM Address 00 01                     27
DD RAM Address 40 41                     67