20x4 COB OLED Character Display
● 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
Description
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.)
Specification
● 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(MPU←Module) |
6 | E | H→L | Chip enable signal |
7~14 | DB0~7 | H/L | Data bit 0~7 |
15 | NC | - | - |
16 | NC | - | - |