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LCD Keypad Shield LCD1602 LCD 1602 Modu...

FOR Arduino LCD Keypad Shield LCD1602 LCD 1602 Module Display For ATMEGA168 ATMEGA328 ATMEGA2560 ATMEGA1280 UNO

FOR Arduino  LCD Keypad Shield LCD1602 LCD 1602 Module Display For ATMEGA168 ATMEGA328 ATMEGA2560 ATMEGA1280 UNO factory FOR Arduino  LCD Keypad Shield LCD1602 LCD 1602 Module Display For ATMEGA168 ATMEGA328 ATMEGA2560 ATMEGA1280 UNO factory FOR Arduino  LCD Keypad Shield LCD1602 LCD 1602 Module Display For ATMEGA168 ATMEGA328 ATMEGA2560 ATMEGA1280 UNO factory

Large Image:FOR Arduino LCD Keypad Shield LCD1602 LCD 1602 Module Display For ATMEGA168 ATMEGA328 ATMEGA2560 ATMEGA1280 UNO

Product Details:

Place of Origin: CHINA
Brand Name: LXXTECH
Model Number: LXX-0017
Certification:

Payment & Shipping Terms:

Minimum Order Quantity: 20
Price: good price
Delivery Time:
Payment Terms: TT ,paypal,ESCROW
Supply Ability:
Detailed Product Description

For Arduino LCD1602 character LCD expansion board , PCB processing technology, materials and full motherboard with a brand new high quality 2- line 16 -character LCD, not only has the contrast knob, backlight selector switch, also with four direction keys, select a key and a reset button; This 1602 LCD expansion board will simplify the circuit in the true sense of the direct plug this board For Arduino Duemilanove controller can .

Specifications

1 module size: 20.5mm × 41mm

2 module Weight: 57g

 1602 character LCD Profile

The 1602LCD main technical parameters:

 

1 . capacity: display

2 . chip working voltage: 4.5 - 5 . 5V

Operating current: 0mA (5 . 0V)

4 . modules operating voltage: 5 0V

5 character size: 2 95 × 4 35 (W x H) mm

Pin Function Description:

 1602LCD using standard 14 feet (no backlight) or 16 feet (with backlight) interface, pin interface description

Following table:





The VSS power ground 9 D2 data

 

2 VDD positive power supply 10 D3 data

3 VL LCD bias

4 RS data / command select 12 D5 data

5 R / W read / write select 13 D6 data

6 E enable signal

7 D0 data the 15 BLA backlight source positive

8 D1 data the 16 BLK backlight negative

1 foot: VSS ground power.

2 feet: VDD connected to the the 5V positive supply.

3 feet: VL for the LCD display contrast adjustment terminal connected to the positive power supply contrast weakest ground when contrast

Highest contrast is too high will produce " ghosting " , used by a 10K potentiometer to adjust the contrast.

4 feet: RS register select, select the data register, high and low, select the instruction register.

5 Foot: R / W for read and write signal line, a high read operation, the low write operation. When RS

and R / W can be written instructions or display the address, when RS for the low-levelR / W

Busy signal can be read, when RS high R / W is low can be written.

6 feet: E -side to enable end, When E Duanyou high jump goes low, the LCD module execute command.

7 to 14 feet: D0 to D7 for 8 -bit bi-directional data line.

15 feet: backlight positive.

16 feet: backlight negative.

The 1602LCD the instruction descriptions:

1602 LCD module within the controller 11 control instructions, such as table shown in the table below:

 The serial directive RS R / W D7 D6 D5 D4 D3 D2 D1 D0

1 0 0 0 0 0 0 0 0 0 1

2 cursor returns 000,000,001 *

 

3 set the input mode 0 0 0 0 0 0 0 1 I / DS

4 display on / off control 0 0 0 0 0 0 1 DCB

5 cursor or character shift 0 0 0 0 0 1 S / CR / L **

6 set function 0 0 0 0 1 DL NF **

7 set character generator memory address 0001 character generator memory address

8- position data memory address 001 to display the data memory address

9 read busy flag or address 0 1 BF counter address

10 write the number to CGRAM or DDRAM ) 1 0 write data content

11 from CGRAM or DDRAM readings

1602 LCD module of read and write operations, the operation of the screen and the cursor are achieved through instruction programming. (Note: a high, 0 low)

Directive 1 : clear script 01H, the cursor reset to address 00H position.

Directive 2 : Cursor reset, the cursor returns to the address 00H .

Directive 3 : cursor and display mode settings I / D : Move the cursor direction, high to the right, low level the left S:

All the text on the screen whether the left or the right. High indicates low invalid.

Instruction : display switch control. D : control the overall display on and off, the high indicates open display, low power

Level expressed concern C : control the cursor on and off high indicates cursor low no cursor B : control

Made whether the cursor is flashing, high flash, low level does not blink.

Directive 5 : cursor or display shift S / C : high mobile display text, low, move the cursor.

Directive 6 : function set command DL : high 4 -bit bus , low level

Usually displayed as a single line, two-line display high

5x10 dot matrix characters.

Directive 7 : character generator RAM address set.

Directive : the DDRAM address setting.

Directive 9 : read a busy signal and cursor address BF : busy flag high indicates busy, the module can not be connected

Received command or data, if is low is not busy.

Directive 10 : write data.

Instruction 11 : read data.

 with the HD44780 chip timing table is as follows:

Read Status input RS = L , R / W = H , E = H outputs D0 - D7 = Status Word

 Write command input RS = L , R / W = L , D0 - D7 = no

 

Read data entry RS = H , R / W = H , E = H output D0 - D7 = data

Write data input RS = H , R / W = L , D0 - D7 = Data, E = high pulse output No

 

 1602LCD general initialization (reset) process:

Delay 15mS

Write instruction 38H (does not detect a busy signal)

 

Delay 5mS

Write instruction 38H (does not detect a busy signal)

 

Product Tag : Arduino LCD1602
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