This document is a user manual of SMS0525B liquid crystal display module. It introduces the overview, main technical parameters, interface signal description, external dimensions, address mapping table and other information of the module.
The SMS0525B is a digital LCD display module that can show five numeric digits, four segment characters, and one decimal point. It is designed for low power consumption and is intended for use in smart meter applications.
The module operates with a two‑wire serial interface, offers a character height of about 12 mm, a viewing angle of roughly 120°, and works within a relative humidity range below 85%. Physical dimensions and pin mappings are also provided for easy integration. This manual is written in Chinese.
| Interface Type | Two‑wire serial interface |
|---|---|
| Character Height | 12.smn (≈12.8 mm) |
| Relative Humidity | < 85 % |
The module uses a two‑wire serial interface.
The character height is about 12 mm (shown as 12.smn in the document).