20x2 COG LCD Display Module
● Character LCD
● COG package
● 5x7 dot with cursor
● Built-in controller ST7036i
● +3V single power supply
● 1/16 duty cycle
● I2C series interface
BO2002B
BO2002B is 20x2
character COG (chip on glass) LCD Module with built-in ST7036i controller.
BO2002B 20x2 COG
LCM it supports I2C series interface.
COG (chip on
glass) is an LCD packaging technology where the controller is mounted directly
onto the LCD glass and PCB is not required. COG makes LCD compact, consume less
power and also bring down the cost.
It is recommend
for compact applications
Module
dimension of BO2002B is (153.0 x 35.0) mm
and viewing area is (149.0 x 23.0) mm.
● Mechanical Data
Item
Standard Value
Unit
Module Dimension
153.0 x 35.0
mm
Viewing Area
149.0 x 23.0
mm
Dot Size
1.12 x 1.12
mm
Dot Pitch
6.00 x 9.66
mm
● Pin Assignment
Pin
Symbol
Function
1
VOUT
DC-DC voltage converter. Connect a capacitor between
this terminal And VIN when the built-in booster is used.
2
CAP-
For voltage booster circuit (VDD-VSS)
3
CAP+
External capacitor about 0.1uf to 4.7 uf
4
VDD
Power supply
5
VSS
GND
6
SDA
Serial Data input
7
SCL
Serial clock input
8
RST
External reset pin
