Arduino LCD Screen

Arduino LCD screen
Arduino LCD screen ADM2402B
Model No. ADM2402B
►arduino LCD screen
►Character LCD

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Product Details

Arduino LCD screen

Arduino LCD screen ADM2402B

Model No. ADM2402B

►arduino LCD screen

►Character LCD

►5 x 8 dots includes cursor

►Built-in controller ST7066

►5V/3.0V power supply

►1/16 duty cycle

Description of arduino LCD screen ADM2402B

Arduino LCD screen ADM2402B is 24 characters by 2 lines LCD 24x2 display module which is built in with ST7066 controller IC; its default interface is 6800 4/8-bit parallel. This arduino LCD screen ADM2402B is available for without backlight or with LED backlight options. This arduino LCD screen ADM2402B is available in various LCD panel colors including gray, yellow/green and blue LCD options. The LEDs can be driven by pin 1, pin 2, or pin 15 pin 16 or A/K.

Features

1.5x8 dots

2.Built-in controller (ST7066 or equivalent)

3.+5V power supply

4.Easy interface with 4-bit or 8-bit MPU

5.1/16 duty cycle

6.Backlight optional

7.24*2 characters

Outline dimension

1.jpg

Absolute maximum ratings

Item

Symbol

Standard

Unit

Power voltage

VDD-VSS

-0.3

-

7.0

V

Input voltage

Vin

-0.3

-

VDD+0.3

Operating temperature range

Top

0

-

+50

Storage temperature range

Tst

-10

-

+60

*Wide temperature range is available

(operating/storage temperature as –20~+70/-30~+80℃)

Block diagram

2.jpg

Interface pin description

Pin no.

Symbol

External connection

Function

1

VSS

Power supply

Signal ground for LCM (GND)

2

VDD

Power supply for logic for LCM

3

V0

Contrast adjust

4

RS

MPU

Register select signal

5

R/W

MPU

Read/write select signal

6

E

MPU

Operation (data read/write) enable signal

7~10

DB0~DB3

MPU

Four low order bi-directional three-state data bus lines.
Used for data transfer between the MPU and the LCM.
These four are not used during 4-bit operation.

11~14

DB4~DB7

MPU

Four high order bi-directional three-state data bus lines.
Used for data transfer between the MPU

15

LED+

LED BKL power
Supply

Power supply for BKL (Anode)

16

LED-

Power supply for BKL (GND)

Contrast adjust

3.jpg

VDD~V0: LCD Driving voltage

VR: 10k~20k

Optical characteristics

STN type display module (Ta=25℃, VDD=5.0V)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Viewing angle

θ

Cr≥2

-60

-

35

deg

Φ

-40

-

40

Contrast ratio

Cr


-

8

-

-

Response time (rise)

Tr

-

-

200

250

ms

Response time (fall)

Tr

-

-

300

350

Electrical characteristics

DC characteristics

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Supply voltage for LCD

VDD-V0

Ta =25℃

-

4.5

-

V

Input voltage

VDD


4.7

-

5.5

Supply current

IDD

Ta=25℃, VDD=5.0V

-

1.6

2.5

mA

Input leakage current

ILKG


-

-

1.0

uA

“H” level input voltage

VIH


2.2

-

VDD

V

“L” level input voltage

VIL

Twice initial value or less

0

-

0.6

“H” level output voltage

VOH

LOH=-0.25mA

2.4

-

-

“L” level output voltage

VOL

LOH=1.6mA

-

-

0.4

Backlight supply voltage

VF




-

Read cycle (Ta=25℃, VDD=5.0V)

Parameter

Symbol

Test pin

Min.

Typ.

Max.

Unit

Enable cycle time

tc

E

500

-

-

ns

Enable pulse width

tw

230

-

-

Enable rise/fall time

tr, tf

-

-

20

RS; R/W setup time

tsu

RS; R/W

40

-

-

RS; R/W address hold time

th

10

-

-

Data output delay time

td

DB0~DB7

-

-

120

Data hold time

tdh

5

-

-

Write cycle (Ta=25℃, VDD=5.0V)

Parameter

Symbol

Test pin

Min.

Typ.

Max.

Unit

Enable cycle time

tc

E

500

-

-

ns

Enable pulse width

tw

230

-

-

Enable rise/fall time

tr, tf

-

-

20

RS; R/W setup time

tsu1

RS; R/W

40

-

-

RS; R/W address hold time

th1

10

-

-

Data output delay time

tsu2

DB0~DB7

80

-

-

Data hold time

th2

10

-

-

4.jpg

FAQ

1.What character fonts are there for this arduino LCD screen ADM2402B ?

There are different character fonts/texts available for ST7066 IC including English/Japanese, English/West European, English/Scandinavian European, or English/Cyrillic (Russian) as options.

2.What backlights are available for this arduino LCD screen ADM2402B ?

This arduino LCD scr

een ADM2402B is available for without backlight or with LED backlight options.

3.What LCD colors are available for this arduino LCD screen ADM2402B ?

This arduino LCD screen ADM2402B is available in various LCD panel colors including gray, yellow/green and blue LCD options. The LEDs can be driven by pin 1, pin 2, or pin 15 pin 16 or A/K.

4.What is the working temperature of this arduino LCD screen ADM2402B ?

It’s -20 to 70 degree.

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