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Wiring Connections
- VCC: Connect to 5V power supply.
- GND: Connect to ground.
- VO: Connect to the center pin of a 10k potentiometer for contrast adjustment.
- RS: Connect to the register select pin on the microcontroller.
- RW: Connect to the read/write pin on the microcontroller or ground if only writing.
- E: Connect to the enable pin on the microcontroller.
- D0-D7: Connect to the data pins on the microcontroller.
Power
- Operating Voltage: 5V DC
- Current Consumption: 1-2 mA (without backlight), 15-20 mA (with backlight)
Input and Output
- Input: The module receives commands and data from the microcontroller through its data pins (D0-D7).
- Output: Displays the characters on the LCD screen as instructed by the microcontroller.
Physical Characteristics
- Dimensions: 80mm x 36mm x 12mm
- Weight: Approximately 35 grams
- Mounting: Four mounting holes for easy installation in a project enclosure
Technical Specifications
- Character Size: 5×8 pixel matrix per character
- Viewing Angle: Wide viewing angle, optimal at approximately 6 o’clock
- Operating Temperature: -20°C to +70°C
- Storage Temperature: -30°C to +80°C
Additional Features
- Wide Compatibility: The display is compatible with various microcontrollers, including Arduino, Raspberry Pi, and PIC.
- Customization: The display can be customized with different characters, including custom fonts or symbols, using the CGRAM feature of the HD44780 controller.
- Low Power Consumption: The display consumes minimal power, making it suitable for battery-operated projects.
How to Use
- Connect the Pins: Connect the VCC and GND to the power supply. Connect the data pins (D0-D7) to the microcontroller’s corresponding pins. Attach the RS, RW, and E pins to the appropriate control pins on the microcontroller.
- Adjust the Contrast: Use a 10k potentiometer connected to the VO pin to adjust the display contrast until the characters are clearly visible.
- Upload the Code: Write or upload the code to your microcontroller to send data to the LCD. Libraries like LiquidCrystal for Arduino can simplify this process.
- Test the Display: Power on the system and check if the display shows the intended characters. Make necessary adjustments to the wiring or code if needed.
- Mount the Display: Use the mounting holes to securely attach the display to your project enclosure or setup.
This 16×2 LCD with a header is perfect for projects that require a simple, readable output, such as displaying sensor readings, menus, or status messages.
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