20x4 Character LCD display
● 5x7 dots with cursor
● Built-in controller ST7066 or equivalent
● +5V single power supply
● 1/16 duty cycle
● LED B/L pins:15/16,or A/K or 1/2
● Option: LED array / edge B/L,EL B/L
● Option: +3V single power supply
● Option: Negative voltage
BC2004A
BC2004A is 20x4 characters LCD Module (LCM) made using Chip on
Board (COB) method and comes with
metal frame.
Module dimension of BC2004A is (98x60) mm and viewing area is (77x25.2)
mm.
It has built-in controller ST7066 (or equivalent) that provides
different language options, English, Japanese, Chinese, Western & Eastern
European, Russian etc.
It is available without backlight or with LED, EL backlight
options.
BC2004A LCD module is available in gray, yellow/green and blue
LCD color.
● Mechanical Data
|
Item |
Standard Value |
Unit |
|
Module Dimension |
98.0 x 60.0 |
mm |
|
Viewing Area |
77.0 x 25.2 |
mm |
|
Dot Size |
0.55 x 0.55 |
mm |
|
Character Size |
2.95 x 4.75 |
mm |
● Pin Assignment
Pin
Symbol
Function
1
Vss
GND
2
Vdd
+5V (+3V option)
3
Vo
Contrast adjustment
4
RS
H/L register select signal
5
R/W
H/L read/write signal
6
E
H─>L enable
signal
7~14
DB0~7
H/L data bus line
15
A
Power supply for B/L (+)/
16
K
Power supply for B/L (GND)
