LCD Description
1.77 inch SPI LCD Display 128×160 Resolution ST7735S Driver Module
Our high-performance 1.77 inch SPI LCD display module is engineered to deliver exceptional visual clarity in a compact form factor, making it the perfect choice for hardware developers and OEM manufacturers seeking a reliable human-machine interface (HMI). Featuring a crisp 128×160 resolution and powered by the industry-standard ST7735S controller IC, this active matrix TFT screen provides stable, flicker-free performance with minimal system overhead.
With its ultra-thin profile of just 2.35mm thickness and space-saving 34.00 × 45.83 mm dimensions, this module integrates seamlessly into tight enclosures, portable medical electronics, and smart IoT devices. The 4-wire serial peripheral interface (SPI) minimizes required pin counts to save valuable GPIO layout space, while the 380 cd/m² backlight ensures vivid indoor readability.
Item | Contents | Unit |
| Size | 1.77 | inch |
| LCM Dimension | 34.00(W)× 45.83(H)×2.35(T) | mm |
| LCD Active Area | 28.03 × 35.04 | mm |
| Number Of Dots | 128×160 | pixel |
| Viewing Direction | 12 O’clock | |
| Driver IC | ST7735S | |
| Interface Type | SPI | |
| Backlight Type | 3 LEDs | |
| Luminance | 300 | cd/m² |
Drawing

SPI Interface
| NO. | Symbol | Description |
| 1 | LEDA | BACKLIGHT ANODE |
| 2 | LEDK | BACKLIGHT CATHODE |
| 3 | SPI4W(VCC) | POWER SUPPLY |
| 4 | VCC | POWER SUPPLY |
| 5 | GND | Ground |
| 6 | CS | Chip Select |
| 7 | RESET | Reset pin |
| 8 | SDA | Serial Data Input |
| 9 | SCL | Serial Clock |
| 10 | D/C | Destination register selection. |

