LCD 8*2 Characters- Blue back light




Absolute Maximum Ratings

Item Symbol Min Max Unit
Supply Voltage (Logic) VDD-VSS -0.3 7.0 V
Supply Voltage (LCD) VDD-VO -0.3 13.0 V
Input Voltage VI -0.3 VDD+0.3 V
Operating Temp Topr 0 50
Storage Temp. Tstg -10 60

Mechanical Data

Item Nominal Dimensions Unit
Module Size(W×H×T) 58.0×32.0×9.5 mm
Viewing Area(W×H) 36.0×15.0 mm
Character Size(W×H) 2.45×5.0 mm
Dot Size(W×H) 0.45×0.5 mm
Weight g

Electrical Chatacteristics


Item Symbol Test Condition Min Typ Max Unit
Input High Voltage VIH - 2.2 - VDD V
Input Low Voltage VIL - -0.3 - 0.6 V
Output High Voltage VOH IOH=0.3mA 2.4 - VDD V
Output Low Voltage VOL IOL=1.2mA 0 - 0.4 V
Supply Current IDD VDD=5.0V - 1.2 3.0 mA
LCD Driving Voltage VDD - VO Ta=25℃ - 5.0 - V

LED Backlight Specifications (Ta=25℃)

Item Symbol Typ Max Unit
Forward Voltage Vf 4.05 4.25 V
Forward Current If 60 - mA
Emission Wave Length λp 568 - nm

Pin definition and Rating

Pin Symbol Level Function
1 VSS - GND(0V)
2 VDD - Supply Voltage for Logic (+5V)
3 VO - LCD Driving Voltage
4 RS H/L H:Data L:Instruction Code
5 R/W H/L H:Read L:Write
6 E H,H->L Enable Signal
7 DB0 H/L Data Bus Line
8 DB1 H/L
9 DB2 H/L
10 DB3 H/L
11 DB4 H/L
12 DB5 H/L
13 DB6 H/L
14 DB7 H/L
15 LEDA - LED Backlight Power Supply
16 LEDK -

Mechanic Dimensions


Help us make it better

Welcome to the new documentation system of Seeed Studio. We have made a lot of progress comparing to the old wiki system and will continue to improve it to make it more user friendly and helpful. The improvement can't be done without your kindly feedback. If you have any suggestions or findings, you are most welcome to submit the amended version as our contributor via Github or give us suggestions in the survey below, it would be more appreciated if you could leave your email so that we can reply to you. Happy Hacking!