8051 interfacing shift register circuit with LCD in Proteus

8051 interfacing shift register circuit with LCD in Proteus

In this article we will learn how to Interfacing 8051 interfacing shift register circuit with LCD in Proteus.

In the last post we will learn how to interfacing 8051 with calculator with external Ram in proteus. You can visit our website,
I hope you appreciate my work, let’s discuss about today’s project.

Components:

1. IC (8051)
2. LCD display
3. IC (74HC373)
4. Capacitor (30pF, 10uF)
5. Resistor (220, 10k,)
6. Crystal (1.2MHz)
7. Push button
8. Jumper wires

Construction…

• Connect pin 18 of 8051 with one side of capacitor 33p through the one side of crystal
• Connect 2^nd side of capacitor with one side of 2^nd capacitor and then connect them with GND
• Connect the pin 19 of 8051 with 2^nd side of crystal through the 2^nd side of 2^nd capacitor
• Connect one side of resistor 10k with GND
• Connect 2^nd side of resistor with one side of capacitor 10uF
• Connect 2^nd side of capacitor with one side of Push button
• Connect pin 9 of 8951 at the junction of resistor and capacitor through 2^nd side of Push button
• Connect 2^nd side of push button with 2^nd side of resistor
• Connect RS pin of LCD display with pin 2 of IC 74HC373
• Connect RW pin of LCD display with pin 3 of IC 74HC373
• Connect D0 pin of LCD display with pin D0 of 74HC373
• Connect D1 pin of LCD display with pin D1 of 74HC373
• Connect D2 pin of Graphical display with pin D2 of 74HC373
• Connect D3 pin of LCD display with pin D3 of 74HC373
• Connect D4 pin of LCD display with pin D4 of 74HC373
• Connect D5 pin of LCD display with pin D5 of 74HC373
• Connect D6 pin of LCD display with pin D6 of 74HC373
• Connect D7 pin of LCD display with pin D7 of 74HC373
• Connect VEE pin of LCD display with one side of resistor 220
• Connect 2^nd side of resistor 220 with GND
• Connect VSS pin of LCD display with GND
• Connect VDD pin of LCD display with +ve

Working…

Interfacing a shift register with an LCD to control the display with an 8051 microcontroller involves using the shift register to reduce the number of data lines required for communication. This can be useful to save I/O pins on the microcontroller and simplify the connection between the microcontroller and the LCD.

Applications…

1. Message Display
2. Temperature Monitoring
3. Counting and Timers
4. Home Automation
5. Security Systems

Advantages…

1. Reduced Pin Count
2. Serial Data Transmission
3. Simplified Code
4. Faster Data Transfer
5. Noise Immunity