The SMS0408E2 liquid crystal display module is a 4-digit with decimal digits + 1 time interval display module with a wide voltage operating range, low power consumption, high-brightness light-emitting tube side backlight, and a two-wire serial interface with MCU single-chip microcomputers. It is widely used in handheld instruments and intelligent display instruments.
The SMS0408E2 is a standard digital LCD display module that can show four digits and a time separator. It is designed for portable devices, smart instruments, and other display applications and connects to an MCU via a two‑wire serial interface.
The manual lists the electrical characteristics, such as a 2.7‑5.5 V operating voltage, low power consumption, and a 20 mA backlight current, as well as mechanical data like a 72.5 mm × 66.5 mm × 15 mm footprint and a viewing angle of about 120°. This manual is written in Chinese.
| Operating voltage | 2.7 V – 5.5 V |
|---|---|
| Power consumption (3.0 V) | 20 µA |
| Backlight current | 20 mA |
| Character height | 18.0 mm |
| Operating temperature range | -20 °C to +70 °C |
| Storage temperature range | -40 °C to +85 °C |
| Interface type | 2‑wire serial interface |
| Module dimensions | 72.5 mm × 66.5 mm × 15 mm |
The module operates from 2.7 V to 5.5 V.
It uses a two‑wire serial interface.