LCD کاراکتری 16*2 بک لایت سبز TECL

Commonly Used in:
Student Project, copiers, fax machines, laser printers, industrial test equipment, networking equipment such as routers and storage devices.

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LCD 16×2 Interfacing

16×2 Character LCD Pinout
Before we get into the hookup and example code, let’s check out the pinout. A standard character LCD has 16 pins (except for an RGB LCD, which has 18 pins).
GND is the ground pin.
VCC is the LCD’s power supply and is typically connected to 5 volts.
Vo (LCD Contrast) pin controls the contrast of the LCD. Using a simple voltage divider network and a potentiometer, we can make precise contrast adjustments.
RS (Register Select) pin is used to separate the commands (such as setting the cursor to a specific location, clearing the screen, etc.) from the data. The RS pin is set to LOW when sending commands to the LCD and HIGH when sending data.
R/W (Read/Write) pin allows you to read data from or write data to the LCD. Since the LCD is only used as an output device, this pin is typically held low. This forces the LCD into WRITE mode.
E (Enable) pin is used to enable the display. When this pin is set to LOW, the LCD ignores activity on the R/W, RS, and data bus lines; when it is set to HIGH, the LCD processes the incoming data.
D0-D7 (Data Bus) pins carry the 8 bit data we send to the display. To see an uppercase ‘A’ character on the display, for example, we set these pins to 0100 0001 (as per the ASCII table).
A-K (Anode & Cathode) pins are used to control the backlight of the LCD.

Additionally, wire a 10k potentiometer to +5V and GND, with it’s wiper (output) to LCD screens VO pin (pin3).