How to display text on 16x2 LCD using 8051 microcontroller (AT89C51)
Summary
Description
A single character can be displayed on LCD by properly configuring its data and command registers. A string is nothing but a sequential arrangement of several characters that can be displayed on LCD by using the following algorithm. Here P2 port of the microcontroller is used as output port which sends the data byte to data pins of the LCD. The control pins (pin 4, 5 & 6) are connected to pins 0, 1 & 6, respectively, of P3 port of the microcontroller. Pin 3 is connected to a preset of 10k to adjust the contrast on LCD screen
Circuit Diagram
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Components
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Preset A preset is a three legged electronic component which can be made to offer varying resistance in a circuit. The resistance is varied by adjusting the rotary control over it. The adjustment can be done by using a small screw driver or... |
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AT89C51 Microcontroller AT89C51 is an 8-bit microcontroller and belongs to Atmel's 8051 family. ATMEL 89C51 has 4KB of Flash programmable and erasable read only memory (... |
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LCD
LCD (Liquid Crystal Display) screen is an electronic display module and find a wide range of applications. A 16x2 LCD display is very basic module and is very commonly used in various devices and circuits. These modules are preferred over seven segments... |
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