LCD Description
This is a compact 1.44-inch color active matrix TFT-LCD display, featuring a square 128×128 resolution. Built with the high-performance ST7735S controller, this module supports a high-speed SPI interface, making it an ideal choice for space-constrained applications such as wearables, IoT sensors, and handheld instruments.
Ultra-slim profile (2.50mm thickness) and small footprint for compact device integration.The SPI serial bus significantly reduces the number of I/O ports required, simplifying the connection with microcontrollers like STM32, ESP32, or Arduino.
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| Item | Contents | Unit |
| Size | 1.44 | inch |
| LCM Dimension | 29.50（W）*36.50（H）*2.50(T) | mm |
| LCD Active Area | 25.50* 26.50 | mm |
| Number OfDots | 128 *RGB * 128 | pixel |
| LCD Type | a-Si TFT | |
| Viewing Direction | 12 O’clock | |
| Driver IC | ST7735 | |
| Interface Type | SPI | |
| Operating Temperature | -20℃~ 70℃ | |
| Storage Temperature | -30℃~ 80℃ | |
| Backlight | 220 | cd/m² |
| Touchscreen | TBD |
Drawing
SPI Interface
| NO. | Symbol | Description |
| 1 | GND | Ground |
| 2 | AO | Destination register selection |
| 3 | CLK | Serial Clock |
| 4 | SDA | Serial Data Input |
| 5 | GND | Ground |
| 6 | CS | Chip Select |
| 7 | RESET | Reset pin |
| 8 | LEDK | BACKLIGHT CATHODE |
| 9 | LEDA | BACKLIGHT ANODE |
| 10 | VCC | POWER SUPPLY |
| 11 | IOVCC | I/O POWER SUPPLY |
| 12 | GND | Ground |
