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Vertical Scrolling in 16X2 Alphanumeric LCD with ATmega16

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Now a day’s message display boards are used at different places like railway stations, public places, universities, colleges, hospitals, general stores etc for giving information. Scrolling message means sliding text vertically or horizontally. Scrolling doesn’t change the layout of the text but moves the users view across what is apparently a large message that is not wholly seen. They can be used to attract the attention of viewers also. Suppose if a message written horizontally longer than will fit on the screen, it can’t be display completely on the screen. By using scrolling message display units the viewers can see the message. In our project, we will use the vertical scrolling.

In this project, we will learn How to scroll characters in a 16X2 alphanumeric LCD with AVR ATmega16 microcontroller. Here, we will scroll the display from bottom to top. There is command for vertical scrolling like command for horizontal scrolling. The vertical scrolling can be implemented by developing logic in the program. First, we will display “ABLab Solutions” in 1st row and “Bhubaneswar” in 2nd row of 16X2 alphanumeric LCD. After 500 milli second, we will display “Bhubaneswar” in 1st row and “www.ablab.in” in 2nd row of 16X2 alphanumeric LCD. Again after 500 milli second, we will display “www.ablab.in” in 1st row and “info@ablab.in” in 2nd row of 16X2 alphanumeric LCD. Again after 500 millisecond we will display “info@ablab.in” in 1st row and “ABLab Solutions” in 2nd row of 16X2 alphanumeric LCD. And the above process continues forever. In this way, we can implement the vertical scrolling in a 16×2 alphanumeric LCD.

Softwares Required

Hardwares Required

Name Quantity
AVR Trainer Board-100 with ATmega16 1pc
AVR USB Programmer 1pc
RG1602A 16X2 Alphanumeric LCD Green 1pc
12V, 1A DC SMPS Adaptor 1pc
1 to 1 Connector-Female to Female 3pc
10 to 10 FRC Female to Female Connector 2pc

Circuit Diagram

Video

Connection Guide

The step-by-step connection guide for Vertical Scrolling in 16X2 Alphanumeric LCD with ATmega16 is as follows

  • Steps - 1 ( 0f 7 )

    Insert the DC Pin of 12V, 1A DC Adapter to the DC Socket of AVR Trainer Board-100.

  • Steps - 2 ( 0f 7 )

    Connect PortB header with LCD data header in AVR Trainer Board-100 with a 10 to 10 FRC Female Connector.

  • Steps - 3 ( 0f 7 )

    Connect RS, RW & EN pins of LCD control header with PD0, PD1 & PD2 pins of PortD header respectively in AVR Trainer Board-100 with 1 to 1 Connectors.

  • Steps - 4 ( 0f 7 )

    Connect RS, RW & EN pins of LCD control header with PD0, PD1 & PD2 pins of PortD header respectively in AVR Trainer Board-100 with 1 to 1 Connectors.

  • Steps - 5 ( 0f 7 )

    Connect the 16X2 Alphanumeric LCD to the LCD header of AVR Trainer Board-100.

  • Steps - 6 ( 0f 7 )

    Connect the ISP header of AVR Trainer Board-100 with AVR USB Programmer header of AVR USB Programmer with a 10 to 10 FRC Female Connector.

  • Steps - 7 ( 0f 7 )

    Connect the AVR USB Programmer to the PC/Laptop's USB Port directly or with the help of USB AM-FM Cable.

  • Insert the DC Pin of 12V, 1A DC Adapter to the DC Socket of AVR Trainer Board-100.

    Steps - 1 ( 0f 7 )

  • Connect PortB header with LCD data header in AVR Trainer Board-100 with a 10 to 10 FRC Female Connector.

    Steps - 2 ( 0f 7 )

  • Connect RS, RW & EN pins of LCD control header with PD0, PD1 & PD2 pins of PortD header respectively in AVR Trainer Board-100 with 1 to 1 Connectors.

    Steps - 3 ( 0f 7 )

  • Connect RS, RW & EN pins of LCD control header with PD0, PD1 & PD2 pins of PortD header respectively in AVR Trainer Board-100 with 1 to 1 Connectors.

    Steps - 4 ( 0f 7 )

  • Connect the 16X2 Alphanumeric LCD to the LCD header of AVR Trainer Board-100.

    Steps - 5 ( 0f 7 )

  • Connect the ISP header of AVR Trainer Board-100 with AVR USB Programmer header of AVR USB Programmer with a 10 to 10 FRC Female Connector.

    Steps - 6 ( 0f 7 )

  • Connect the AVR USB Programmer to the PC/Laptop's USB Port directly or with the help of USB AM-FM Cable.

    Steps - 7 ( 0f 7 )

Downloads

Vertical Scrolling in 16X2 Alphanumeric LCD with ATmega16 Project File
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