How to Use nokia 5110 lcd: Examples, Pinouts, and Specs

The Nokia 5110 LCD is a low-power, monochrome graphic display commonly used in embedded systems and DIY electronics projects. Manufactured by Nokia, this display features a resolution of 84x48 pixels and communicates via an SPI interface. It is widely appreciated for its simplicity, low power consumption, and ease of integration with microcontrollers such as the Arduino UNO.

• Embedded Systems: Ideal for displaying simple graphics and text in embedded applications.
• DIY Electronics Projects: Popular among hobbyists for creating custom displays in various projects.
• Prototyping: Useful for rapid prototyping of user interfaces in small devices.
• Educational Projects: Great for learning about SPI communication and display technologies.

1. Power Supply: Connect the VCC pin to a 3.3V power supply and the GND pin to ground.
2. SPI Communication: Connect the DIN, CLK, and CE pins to the corresponding SPI pins on your microcontroller.
3. Control Pins: Connect the RST and DC pins to digital I/O pins on your microcontroller.
4. Backlight (Optional): Connect the BL pin to ground to enable the backlight.

• Voltage Levels: Ensure that the VCC pin is connected to a 3.3V power supply. Using 5V can damage the display.
• Current Limiting: If using the backlight, consider adding a current-limiting resistor to prevent excessive current draw.
• Initialization: Properly initialize the display in your code to ensure correct operation.

#include <Adafruit_GFX.h>
#include <Adafruit_PCD8544.h>

// Pin configuration
#define RST_PIN 8
#define CE_PIN 7
#define DC_PIN 6
#define DIN_PIN 11
#define CLK_PIN 13

// Create display object
Adafruit_PCD8544 display = Adafruit_PCD8544(CE_PIN, DC_PIN, DIN_PIN, CLK_PIN, RST_PIN);

void setup() {
  // Initialize the display
  display.begin();
  display.setContrast(50); // Set contrast level
  display.clearDisplay();  // Clear the display buffer
  display.display();       // Update the display
}

void loop() {
  // Display text
  display.setTextSize(1);
  display.setTextColor(BLACK);
  display.setCursor(0, 0);
  display.print("Hello, World!");
  display.display(); // Update the display

  delay(2000); // Wait for 2 seconds

  // Clear the display
  display.clearDisplay();
  display.display();
}

1. No Display Output:

   • Solution: Check all connections, ensure the VCC pin is connected to 3.3V, and verify the initialization code.

2. Flickering Display:

   • Solution: Ensure stable power supply and proper grounding. Check for loose connections.

3. Backlight Not Working:

   • Solution: Verify the BL pin is connected to ground. Check for any current-limiting resistors.

4. Incorrect Display:

   • Solution: Ensure correct pin configuration in the code and proper initialization of the display.

• Double-Check Connections: Ensure all connections are secure and correctly mapped.
• Verify Code: Ensure the initialization and pin configuration in the code match your circuit.
• Use a Multimeter: Check voltage levels and continuity of connections.
• Consult Datasheet: Refer to the Nokia 5110 LCD datasheet for detailed technical information.

By following this documentation, users can effectively integrate and utilize the Nokia 5110 LCD display in their projects, ensuring reliable performance and successful outcomes.