Design with 1.3 inch TFT Module 240×240 ST7789 in Cirkit DesignerThe 1.3 inch TFT Module 240×240 ST7789 by Adafruit (part ID: GMT130-V1.0) is a compact and vibrant display module suitable for adding a colorful and high-resolution interface to your electronics projects. This module uses a thin-film-transistor (TFT) LCD to provide a bright and clear display with a 240x240 pixel resolution. The ST7789 driver integrated into the module allows for efficient communication and control over the display using a microcontroller, such as an Arduino UNO.
This circuit connects an ESP32 microcontroller to a 1.3 inch TFT display module (ST7789). The ESP32 provides power and control signals to the display, enabling it to show graphical data.
Open Project in Cirkit Designer
This circuit connects a 1.3 inch TFT Module 240×240 ST7789 display, a GY-MCU90640 thermal camera module, and a XIAO ESP32C3 microcontroller to create a thermal imaging system. The ESP32C3 microcontroller is programmed to read temperature data from the thermal camera, process it, and display a visual representation of the temperature distribution on the TFT screen. The circuit is designed for applications requiring thermal monitoring, such as detecting heat sources or monitoring temperature variations in an environment.
Open Project in Cirkit Designer
This circuit connects an Arduino Mega 2560 microcontroller to a 3.5-inch 480x320 TFT LCD display. The Arduino provides power, ground, and digital signals to control the display, including data lines for pixel information and control lines for reset, write, and command/data selection. The embedded code initializes the display and configures the Arduino's pins for communication, likely to create a user interface or visual output for a project.
Open Project in Cirkit Designer
This circuit features an RTL8720DN microcontroller interfaced with a China ST7735S 160x128 TFT LCD display and four pushbuttons. The microcontroller reads the states of the pushbuttons and displays their statuses on the TFT LCD, providing a visual feedback system for button presses.
Open Project in Cirkit Designer| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | GND | Ground |
| 2 | VCC | Power supply (3.3V) |
| 3 | SCL | Serial Clock for SPI |
| 4 | SDA | Serial Data for SPI |
| 5 | RES | Reset pin |
| 6 | DC | Data/Command control pin |
| 7 | CS | Chip Select for SPI |
| 8 | BLK | Backlight control (PWM capable) |
#include <Adafruit_GFX.h> // Core graphics library
#include <Adafruit_ST7789.h> // Hardware-specific library for ST7789
// Pin definitions
#define TFT_CS 10 // Chip select line for TFT display
#define TFT_RST 9 // Reset line for TFT (or connect to +3V3)
#define TFT_DC 8 // Data/command line for TFT
#define TFT_BL 7 // Backlight control pin (optional)
// Initialize Adafruit ST7789 TFT library
Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC, TFT_RST);
void setup() {
pinMode(TFT_BL, OUTPUT); // Set backlight pin to output mode
digitalWrite(TFT_BL, HIGH); // Turn on the backlight
tft.init(240, 240); // Initialize display with its resolution
tft.fillScreen(ST77XX_BLACK); // Clear the screen to black
}
void loop() {
// Example display code
tft.setTextColor(ST77XX_WHITE);
tft.setTextSize(1);
tft.setCursor(20, 20);
tft.print("Hello, World!");
}
Q: Can I use this display with a 5V microcontroller? A: Yes, but you will need to use a level shifter or logic level converter to protect the 3.3V logic of the display.
Q: Is it possible to use this display without an SPI interface? A: No, this display requires an SPI interface for communication with the microcontroller.
Q: How can I increase the brightness of the display? A: You can increase the brightness by providing a higher duty cycle PWM signal to the BLK pin.
Q: What library should I use for this display? A: The Adafruit_GFX and Adafruit_ST7789 libraries are recommended for interfacing with this display.
Q: Can I display images or animations on this screen? A: Yes, the display is capable of showing images and animations. You will need to use the Adafruit_GFX library functions to draw images and update the display accordingly.