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.

Item	Dimension	Unit
Module dimension	98.0 × 60.0	mm
View Area(AA)	77.0 × 25.2	mm
Dot size	0.55 × 0.55	mm
Character Size	2.95 x 4.75	mm

 

電氣特性  (Ta=25±2°C)

Item	Symbol	Condition	Typical Value	Unit
Input Voltage	Vdd	Vdd = +5V	5.0	V
Supply Current	Idd	Vdd = +5V	1.6	mA
LCD Driving Voltage	Vdd-Vo	25°C	4.5	V
LED Forward Voltage (yellow-green)	Vf	25°C	4.2	V
LED Forward Current	If	25°C	240	mA
EV Power Voltage	Vel	Vel=110Vac/400Hz		V

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)