• 20x4 COB OLED Character Display, BL2004AM

20x4 COB OLED Character Display

● COG with SMT
● 5.0V single power supply (Typ.)
● 5x7 dots with cursor
● Built-in controller: Compatible with HD44780/ST7066U
● Color:White/Yellow
● Support MCU interfaces:
4/8-bit 6800 series parallel interface(STD)
I2C interface (Option)
● Operating temperatures: -40°C to 80°C
● 4 sets of CGROM (hardware selectable)
ENGLISH/JAPANESE
ENGLISH/CYRILLIC
ENGLISH/EUROPEAN I
ENGLISH/EUROPEAN II
Model : BL2004AM


BL2004AM


BL2004AM is a 20x04 OLED (organic light-emitting diode) module made using COG (Chip on Glass) with SMT technology.

Character COG OLED display 16x2 has built-in IC and compatible with ST7066U, and 4 sets of CGROM  (hardware selectable) fonts; English/Japanese, English/ Cyrillic, English/ European I and II.

It come with standard 4/8-bit 6800 series parallel interface and provides option of I2C interface. It can directly replace you 16x02 character LCM.

The module dimension 98.0 x 60.0 mm and active area is 70.42 x 20.82 mm.  

It is available yellow and white options and wide Operating temperatures: -40°C to 80°C.

5.0V single power supply (Typ.)


bl2004am-drawing.png






● Mechanical Data

Item

Standard Value

Unit

Module Dimension

98.0 x 60.0 

mm

Active Area

70.42 x 20.82

mm

Dot Size

 0.55 x 0.55 

mm

Dot Pitch

2.97 x 4.75

mm




● Pin Assignment

Pin

Symbol

Level

Function

1

GND

0V

Ground

2

VDD

5.0V

Supply voltage for logic.

3

NC

-

-

4

RS

H/L

H:DATA, L:Instruction code

5

R/W

H/L

H:Read(MPUModule)
L:Write(MPU
Module)

6

E

HL

Chip enable signal

7~14

DB0~7

H/L

Data bit 0~7

15

NC

-

-

16

NC

-

-






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