
This circuit features an ESP32-C6 microcontroller interfaced with a China ST7735S 160x128 TFT display. The ESP32-C6 controls the display via SPI communication, providing power, ground, and control signals to render graphics and text on the screen.

The China ST7735S 160x128 is a compact 1.8-inch TFT LCD display module that offers a resolution of 160x128 pixels. It is capable of displaying a wide range of colors, making it suitable for a variety of applications, including smartwatches, handheld gaming devices, and other portable electronic gadgets. Its small form factor and low power consumption make it an ideal choice for battery-powered devices.

This circuit features an ESP32-C6 microcontroller interfaced with a China ST7735S 160x128 TFT display. The ESP32-C6 controls the display via SPI communication, providing power, ground, and control signals to render graphics and text on the screen.

This circuit features an STM32F103C8T6 microcontroller interfaced with a China ST7735S 160x128 display and two spectral sensors (Adafruit AS7262 and AS7261). It also includes two pushbuttons for user input, with the microcontroller managing the display and sensor data processing.

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.

This circuit connects a Raspberry Pi Pico microcontroller to a China ST7735S 160x128 pixel display. The Pico is configured to provide power (VCC and BL), grounding (GND), and control signals (CS, DC, RES) to the display, as well as SPI communication via SCL and SDA pins for data transfer. The purpose of this circuit is to enable the Raspberry Pi Pico to control and display graphics or text on the ST7735S LCD screen.
| Pin Number | Pin Name | Description |
|---|---|---|
| 1 | GND | Ground |
| 2 | VCC | Power supply (3.3V - 5V) |
| 3 | SCL | Serial Clock Line |
| 4 | SDA | Serial Data Line |
| 5 | RES | Reset |
| 6 | DC | Data/Command control |
| 7 | CS | Chip Select |
| 8 | BL | Backlight control (optional PWM dimming) |
#include <Adafruit_GFX.h> // Core graphics library
#include <Adafruit_ST7735.h> // Hardware-specific library for ST7735
// Pin definitions
#define TFT_CS 10
#define TFT_RST 9
#define TFT_DC 8
// Initialize Adafruit ST7735S
Adafruit_ST7735 tft = Adafruit_ST7735(TFT_CS, TFT_DC, TFT_RST);
void setup() {
tft.initR(INITR_BLACKTAB); // Initialize display with black tab
tft.fillScreen(ST7735_BLACK); // Fill screen with black color
}
void loop() {
tft.setCursor(0, 0); // Set cursor at top-left corner
tft.setTextColor(ST7735_WHITE); // Set text color to white
tft.setTextWrap(true); // Set text to wrap at end of line
tft.print("Hello, World!"); // Print a message to the screen
}
Ensure you have installed the Adafruit_GFX and Adafruit_ST7735 libraries before uploading this code to your Arduino UNO.
Q: Can I use this display with a 5V microcontroller? A: Yes, but you will need to use a level shifter for the data lines to convert the logic level to 3.3V.
Q: How can I control the brightness of the backlight? A: You can control the brightness by applying a PWM signal to the BL pin.
Q: What library should I use with this display? A: The Adafruit_GFX and Adafruit_ST7735 libraries are recommended for use with this display.
Q: Is it possible to display images or animations? A: Yes, the display is capable of showing images and animations. You will need to use the appropriate functions provided by the library to do so.