How to Use Estardyn TFT 160 x 80 Display: Examples, Pinouts, and Specs

The Estardyn TFT 160 x 80 Display is a compact thin-film transistor (TFT) display module with a resolution of 160 x 80 pixels. It is designed for use in embedded systems and projects requiring a small, vibrant display for graphics and text. This display is ideal for applications such as IoT devices, handheld gadgets, and user interfaces for microcontroller-based systems. Its small size and low power consumption make it a popular choice for portable and battery-powered projects.

• Display Type: TFT (Thin-Film Transistor)
• Resolution: 160 x 80 pixels
• Screen Size: 0.96 inches (diagonal)
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 3.3V (logic level)
• Backlight Voltage: 3.0V to 3.3V
• Current Consumption: ~15mA (typical, with backlight on)
• Driver IC: ST7735
• Color Depth: 65K colors (16-bit RGB)
• Viewing Angle: ~160 degrees
• Operating Temperature: -20°C to 70°C

The Estardyn TFT 160 x 80 Display typically has an 8-pin interface. Below is the pinout and description:

To use the Estardyn TFT 160 x 80 Display, connect it to a microcontroller such as an Arduino UNO. Below is a typical wiring guide:

The following example demonstrates how to initialize and display basic graphics on the Estardyn TFT 160 x 80 Display using the Adafruit GFX and Adafruit ST7735 libraries.

#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ST7735.h> // Hardware-specific library for ST7735

// Define pins for the display
#define TFT_CS   10  // Chip Select pin
#define TFT_RST   8  // Reset pin
#define TFT_DC    9  // Data/Command pin

// Initialize the display object
Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);

void setup() {
  // Initialize the display
  tft.initR(INITR_MINI160x80); // Initialize for 160x80 resolution
  tft.setRotation(1);         // Set display orientation (1 = landscape)

  // Fill the screen with a color
  tft.fillScreen(ST77XX_BLACK);

  // Display text
  tft.setTextColor(ST77XX_WHITE);
  tft.setTextSize(1);
  tft.setCursor(10, 10);
  tft.print("Hello, World!");

  // Draw a rectangle
  tft.drawRect(20, 20, 50, 30, ST77XX_RED);
}

void loop() {
  // Nothing to do here
}

1. Voltage Levels: Ensure the logic level of your microcontroller matches the display's 3.3V requirement. Use a level shifter if your microcontroller operates at 5V.
2. Backlight Control: For adjustable brightness, connect the BLK pin to a PWM-capable pin on your microcontroller.
3. Library Compatibility: Use the Adafruit GFX and Adafruit ST7735 libraries for easy integration and access to graphics functions.
4. SPI Speed: Ensure the SPI clock speed is within the display's supported range (typically up to 15 MHz).

1. Blank Screen:

   • Verify all connections are secure and correct.
   • Ensure the display is powered with 3.3V and not 5V.
   • Check if the reset (RES) pin is properly connected.

2. Distorted or Noisy Display:

   • Reduce the SPI clock speed in your microcontroller code.
   • Ensure proper grounding between the display and the microcontroller.

3. Backlight Not Turning On:

   • Confirm the BLK pin is connected to 3.3V or a PWM pin.
   • Check the current supply to ensure it meets the backlight's requirements.

4. Library Errors:

   • Ensure the Adafruit GFX and Adafruit ST7735 libraries are installed in your Arduino IDE.
   • Verify that the correct initialization function (initR(INITR_MINI160x80)) is used.

Q: Can I use this display with a 5V microcontroller?
A: Yes, but you must use a logic level shifter to convert the 5V signals to 3.3V for the display.

Q: How do I control the brightness of the backlight?
A: Connect the BLK pin to a PWM-capable pin on your microcontroller and use analogWrite() to adjust brightness.

Q: Can I use this display with platforms other than Arduino?
A: Yes, the display can be used with other platforms like Raspberry Pi, ESP32, or STM32, provided they support SPI communication.

Q: What is the maximum SPI clock speed supported by the display?
A: The display typically supports SPI clock speeds up to 15 MHz. Check the driver IC datasheet for exact details.