LCD Description
This 1.54-inch Square IPS LCD Display offers a crisp 240×240 resolution and full-viewing angles. Powered by the ST7789V driver IC, this Square IPS LCD Display supports a high-speed 4-wire SPI interface for easy integration with MCU platforms like Arduino and ESP32.
Its 1.90mm ultra-slim design makes this 1.54 inch LCD ideal for:
Wearables: Smartwatches and fitness trackers.
IoT Devices: Smart home sensors and mini controllers.
Medical: Portable handheld diagnostic tools.
With 270 cd/m² brightness, it provides reliable clarity for various digital display projects. Custom FPC and Touch Panel (TBD) services available.
| Item | Contents | Unit |
| Size | 1.54 | inch |
| LCM Dimension | 31.52（W）* 33.72（H） *1.90(T) | mm |
| LCD Active Area | 27.72* 27.72 | mm |
| Number Of Dots | 240×240 | pixel |
| LCD Type | a-Si TFT | |
| Viewing Direction | IPS | |
| Driver IC | ST7789V | |
| Interface Type | SPI | |
| Operating Temperature | -20℃~ 70℃ | |
| Storage Temperature | -30℃~ 80℃ | |
| Backlight Type | 3 LEDs | |
| Brightness | 270 | cd/m² |
Drawing
SPI Interface
| NO. | Symbol | Description |
| 1 | LEDK | BACKLIGHT CATHODE |
| 2 | LEDK | BACKLIGHT CATHODE |
| 3 | GND | Ground |
| 4 | GND | Ground |
| 5 | TE | Frame mark. |
| 6 | SDA | Serial Data Input |
| 7 | AO | Destination register selection. |
| 8 | SCL | Serial Clock |
| 9 | CS | Chip Select |
| 10 | RESET | Reset pin |
| 11 | IOVCC | I/O POWER SUPPLY |
| 12 | IOVCC | I/O POWER SUPPLY |
| 13 | VCC | POWER SUPPLY |
| 14 | VCC | POWER SUPPLY |
| 15 | GND | Ground |
| 16 | GND | Ground |
| 17 | NC | NC |
| 18 | NC | NC |
| 19 | NC | NC |
| 20 | NC | NC |
| 21 | NC | NC |
| 22 | NC | NC |
| 23 | LEDA | BACKLIGHT ANODE |
| 24 | LEDA | BACKLIGHT ANODE |
